Solved question paper for NS Dec-2011 (DIPLOMA 6th)

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Solved Question Paper

Network security Dec-2011

PSBTE • DIPLOMA • Computer Science Engineering • 6th • Dec-2011

Network Security is a subject page for Punjab State Board of Technical Education Diploma in Engineering, Computer Science Engineering, 6th Semester students who are looking for subject-wise previous year question papers and old papers for revision. It helps students understand repeated topics, exam patterns, and the kind of questions asked in semester exams, making preparation more focused and practical. This BRpaper page is meant to support exam preparation by helping students find relevant PYQs for Network Security and related practice needs. BRpaper is not the official website of the university or board, and it does not represent PSBTE in any way.

Question papers (year-wise) Solutions

Solved Questions

Solved

State whether the statement is true or false: A worm does not modify a program.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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State whether the statement is true or false: A Trojan horse allows an attacker to obtain some confidential information about a computer or a network.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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State whether the statement is true or false: Virus is not a computer program.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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State whether the statement is true or false: IPsec provides security at the application level.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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State whether the statement is true or false: Certificate based authentication is based on the digital certificate of a user.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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Expand the acronym RAID.

Short Answer 1 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 RAID stands for _______.

May 2018 RAID stands for _______

Dec 2018 Expand the acronym RAID.

May 2017 RAID stands for __________.

May 2016 RAID stands for _____________.

May 2015 RAID stands for _____________.
Expand the acronym SSL.

Short Answer 1 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 SSL stands for _______.

May 2018 SSL stands for ________

Dec 2017 Expand SSL.

May 2016 SSL stands for ________________.

May 2016 Explain in detail SSL.

May 2015 SSL stands for _____________.
Expand the acronym VPN.

Short Answer 1 Marks Dec-2011 • PSBTE DIPLOMA

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May 2018 VPN stands for _______

Dec 2018 Expand the acronym VPN.

May 2016 VPN

May 2015 VPN stands for _____________.

Expand the acronym UPS.

Short Answer 1 Marks Dec-2011 • PSBTE DIPLOMA

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Expand the acronym WAN.

Short Answer 1 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2017 Expand WAN.
Fill in the blank: The ________ protocol is similar to SSL.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2018 ________protocol is similar to SSL.
Fill in the blank: Conversion of plain text into cipher text is called on ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 Conversion of plaintext into cipher text is called _________.

Dec 2018 Conversion of plain text into cipher text is called an ________.

Fill in the blank: ________ is the most common authentication mechanism.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2018 ________is the most common authentication mechanism.
Fill in the blank: Firewall is a specialized form of a ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2018 Firewall is a specialized form of a _________.
Fill in the blank: LAN stands for ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2018 LAN stands for_________.
What are the key principles of security?

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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What is a Trojan horse? What is the principle behind it?

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2018 What is Trojan horse? What is the principal behind it?
What is the difference between substitution cipher and transposition cipher?

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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List the characteristics of a good firewall implementation.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Distinguish between LAN and WAN security issues.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Discuss the roles and responsibility of privacy.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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What is VPN? Explain its architecture.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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May 2021 What are the Services provided by VPN? How to configure VPN?

May 2019 Define VPN. What are the services provided by VPN? How to configure VPN?

May 2018 What is VPN? Explain various services provided by VPN?

Dec 2017 What is VPN? Explain its advantages & disadvantages.

May 2015 Define VPN. Explain its working and types.
Discuss the various disaster prevention methods.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Describe the RSA algorithm with a simple example.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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May 2020 Write a short note on RSA encryption?

May 2019 Explain RSA algorithm with example.

May 2018 Describe RSA Algorithm with an example.

Dec 2018 Write short notes on RSA Encryption.

May 2017 Explain RSA algorithm with the help of example.

What is IDS? Discuss IDS limitations and counter measures.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 What are IDS? Discuss IDS limitations and counter measures.

May 2017 What is IDS? Explain its various types.

May 2016 What is IDS? Explain its various types.

May 2015 What is IDS? Explain types of IDS in detail.
Write short notes on RAID.

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2017 Write in detail about RAID & its various levels.
Write short notes on Worms.

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Choose the correct answer: MAYA software rendering tool is an example of

MCQ 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Choose the correct answer: _________ is an example of multimedia authoring tool

MCQ 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Choose the correct answer: GIF standard is limited to _________ colour image only

MCQ 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Choose the correct answer: PNG stands for

MCQ 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Choose the correct answer: This file is used in digital camera for image formatting

MCQ 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Choose the correct answer: One of the advantages of digital video is

MCQ 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Choose the correct answer: This type of coding includes the semantics of the data while compressing

MCQ 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Choose the correct answer: Hyper media system is

MCQ 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Choose the correct answer: The time relations between various presentation units of time-dependent media objects are called

MCQ 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Choose the correct answer: Which of the following is temporal media

MCQ 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Differentiate between channel message and system message in MIDI.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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How do you represent digital image?

Short Answer 4 Marks Dec-2011 • PSBTE DIPLOMA

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Define image synthesis.

Short Answer 2 Marks Dec-2011 • PSBTE DIPLOMA

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What are the components of multimedia?

Short Answer 4 Marks Dec-2011 • PSBTE DIPLOMA

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Define quantization.

Short Answer 2 Marks Dec-2011 • PSBTE DIPLOMA

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Write short notes on MIDI standards.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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How does video animation differ from full motion video?

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the steps for digital coding of moving images.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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What are the main steps in JPEG image compression? Explain.

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the concept of motion compensation in MPEG1.

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Differentiate between MPEG1 and MPEG2.

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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What is object based visual coding in MPEG4?

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Suspension type insulators are used for voltage beyond ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Epoxy resin hardner method for cable jointing is more ________ than other method.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Motors are tested for ________ before commissioning.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: A short length of conductor connected on either side of pole is called ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: In the neutral wire of a.c supply we will provide ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Tapping in transformer usually provided on ________ winding.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Breaking capacity of a circuit breaker is usually expressed in terms of ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: For proper earthing according to IE rules of heavy power equipment ________ earthing system has to be adopted.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The advantage of preventive maintenance is to ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The clearance between underground cable and gas pipe-line is ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Explain safety precautions to be taken in maintenance of motors.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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State electric shocks and their treatment.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the procedure of drying out of a 3 phase transformer.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What do you mean by maintenance of oil circuit breaker?

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Mention the salient features of the cost resui-jointing system and also mention the accessories in the jointing kit.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Write down the steps for maintenance of overhead lines.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Describe the procedure to measure the insulation resistance between conductors for domestic installation.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Define fencing of yard and equipment fencing.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Define the applications of C.T and P.T.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the maintenance schedule of transformer.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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List the points to be considered at the times of installation of overhead lines.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Discuss the commonly used instruments for maintenance work.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Name various types of tests to be carried out on a transformer before using oil and discuss breakdown test in detail.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Write short notes on installation of lightening arrester.

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Write short notes on capacitor bank for power factor improvement.

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The burning of fossil fuels is severely polluting the environment which has led to the depletion of ________ layer in the upper atmosphere.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Bio-fuel is any fuel that is derived from ________ including living organisms or their metabolic by products such as cow manure.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: ________ lamp is the least expensive to buy but are the most expensive to operate.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The simplest and most widely used form of controlling a lighting installation is by providing ________ switch.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: ISI stands for ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Static capacitors are used to improve the ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The variable losses depend on the ________ of the transformer.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The formal statement of EIA is known as ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Energy audit instrument used for power measurement ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Full form of ECM ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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What do you mean by environmental impact assessment? What is its need?

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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List steps involved in energy audit.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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What is energy efficient motor? What is the need of energy efficient motor?

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Write short note on CFL.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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What are stand by energy sources? Explain any one.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Discuss various types of energy efficient lamp.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Write short note on solar energy and geothermal energy.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Discuss in detail about the environmental aspect of energy conservation.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the different areas of energy conservation in agriculture sector.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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What are the different factors determining the selection of power cables?

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Explain energy audits methodology.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Explain in details the standard format of EIA statement.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Write the structure of Prolog program.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What do you mean by heuristic search?

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What are semantic network?

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Define distributed artificial intelligence.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Define expert systems.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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List applications of artificial Intelligence.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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What do you mean by state space representation? Explain.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Describe any three statements of Prolog.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the architecture of a typical expert system.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Define the following in relation to PROLOG: Atoms.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Define the following in relation to PROLOG: Variables.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Define the following in relation to PROLOG: Structures.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Describe natural language processing as an application of artificial Intelligence.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Explain any two heuristic search techniques with the help of suitable examples.

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Describe various techniques for representing and manipulating knowledge.

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Write notes on current developments in artificial Intelligence.

Short Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Write notes on developing expert system.

Short Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The transducers which generate power themselves are known as ________ transducers.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: In LVDT, D stands for ________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: A device that converts a physical quantity into an electrical signal is called ________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: To measure high temperature the best transducer is ________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Piezo electric transducer works on the principle of ________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Hygroscope is an instrument used to measure ________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Thermistors have ________ temperature co-efficient of resistance.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: We can measure rotary motions by ________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Strain gauge is a ________ transducer.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Instrument used to check the phase sequence at 3-phase supply is called ________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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What do you understand by active and passive transducers? Explain with examples.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Thermistors are preferred over resistance thermometers for measuring temperature, why?

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What is a strain gauge? Define gauge factor, how it is related with Poisson’s ratio.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Discuss working principle of inductive transducer.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Explain the working principle of a capacitive transducer.
Describe how pH meter works.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain how foil type strain gauge is used for measuring stress.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the working principle of a capacitive transducer.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Discuss working principle of inductive transducer.
The diaphragms of a pressure measuring transducer are 2.0 cm² in area and are 4 mm apart. A pressure of 120×10^4 N/m² produces a deflection of 0.2 mm of a diaphragm. The capacitance of the transducer without any pressure is 190 pF. Determine the capacitance after the above pressure is applied.

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Draw a neat sketch of Bourdon tube pressure gauge and discuss its working. Also give its advantages and disadvantages.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Explain working principle, construction and application of a thermocouple type transducer.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Discuss various types of force measuring devices. Also discuss their working principle.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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An LVDT produces an output of 2 Vrms for a displacement of 50×10^-3 cm. Calculate the sensitivity of the LVDT in micro-volt/mm. The 2 volt output of LVDT is read on a 5 volt voltmeter that has a scale with 100 divisions. The scale can be read to 0.2 divisions. Calculate the resolution of the instrument in terms of displacement in mm.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Almost all the tractors have __________ braking system.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Agriculture implements are attached to tractor with the help of __________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: All the tractors have rear mounted __________ shaft.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Tractors control unit provides weight transfer from the implement to __________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The gear ratios in tractors are quite __________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the various functions of farm tractors.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain various methods of attaching implements to a tractor.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Give the classification of hydraulic control for hitches.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the three-point linkage system used in tractors.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the difference between dual and tendum tyres with the help of sketch.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Draw the neat sketch of braking system of a tractor.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the human factors considered while designing the tractor.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the effect of tyre inflation.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Describe the working principle of Leveller with the help of a neat sketch.

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Using neat sketch, give the description and working of Scrapper.

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Discuss in detail the salient features of engine, clutch and power transmission of a tractor.

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The heat transfer is constant when ________ remains constant with time.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The quantity of heat radiation is dependent on ________ of body only.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Solid ice is expected to have ________ thermal conductivity.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Compared to parallel flow heat exchanger LMTD in case of counter flow heat exchanger is ________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: A ________ body reflects entire radiation.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: ________ is the ratio of energy absorbed by the body to the total energy falling on it.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: In ________ flow maximum heat transfer rate can be expected.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: A perfect black body is one which ________ all incident radiation.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Cork is a good insulator because it is ________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Fins are used to ________ the heat flow from the surface.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Enumerate the basic laws which govern the heat transfer.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What are the three modes of heat transfer? Explain with examples.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Discuss overall heat transfer coefficient.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Derive an expression for heat transfer through fin of rectangular section and infinite length.

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Differentiate between laminar and turbulent flow by taking an example.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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The inner surface of a plane brick wall is at 60°C and the outer surface is at 35°C. Calculate the rate of heat transfer per m² of surface area of the wall, which is 220 mm thick. The thermal conductivity of the brick is 0.51 W/m°C.

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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The effective temperature of a body having an area of 0.12 m² is 527°C. Calculate: a) The total rate of energy emission. b) The intensity of normal radiation.

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Discuss the conduction of heat transfer through composite wall.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What are thermal conductors and insulators? Discuss.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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A chemical reaction takes place in a packed bed between two co-axial cylinders with radii 1 cm and 3 cm. The inner is at 300°C and is insulated. Assuming reaction rate of 6×10^5 W/m^3 in the reactor volume, find the temperature at the outer surface of the reactor. K(packed material) = 0.5 W/m-K.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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A surface having an area of 1.5 m² and maintained at 300°C exchanges heat by radiation with another surface at 40°C. The value of factor due to the geometric location and emissivity is 0.52. Determine: a) Heat loss by radiation. b) The value of thermal resistance. c) The value of equivalent convection coefficient.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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What are different types of insulating material? Discuss. Write their properties and applications.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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What are air-cooled condensers and evaporators? Discuss.

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Derive an expression for temperature distribution under one dimensional steady state heat conduction for a homogeneous wall.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The lead screw of a lathe with nut forms a ________ pair.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Pendulum pump is an inversion of ________ mechanism.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The angle of inclination of the plane at which the body begins to move the plane is called ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Length of belt for open belt drive is ________ than cross belt drive.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The size of a gear is usually specified by ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Compound gear trains are used ________ velocity ratios.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Power is maximum ________ the power stroke in case of 4 stroke diesel engine.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: A hunting governor is ________ sensitive.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: When there is reduction in amplitude over cycle of vibration, then the body is said to be ________ vibration.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Units of frictional torque is ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the terms: kinematic link, kinematic chain and mechanism.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Describe briefly dynamic friction and fluid friction.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Write the merits of chain drive for power transmission.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain briefly module, pressure angle and addendum.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Differentiate between simple and compound gear train.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the turning moment diagram for multi cylinder engines.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Differentiate between centrifugal and inertia type governors.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What is the cause and effect of vibration?

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What is inversion? Draw different inversions of slider crank chain mechanism.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Derive the expression to find out the force required to move the body on an inclined plane downwards.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Explain briefly working of a porter governor.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Two pulleys one 450 mm diameter and other 200 mm diameter are on parallel shafts, 1.95 m apart and are connected by cross belt. What power can be transmitted when larger pulley rotates at 200 r.p.m if the maximum permissible tension in the belt is 1 kW and the coefficient of friction belt and the pulley is 0.25?

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Derive an expression for the natural frequency of longitudinal vibration.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The OLE stands for ________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: In C#, all types are subclasses of ________ class.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: In C#, every method inherits ________ method.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: MSIL stands for ________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: BCL stands for ________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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State whether the statement is true or false: CLR converts the byte code into native code.

True / False 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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State whether the statement is true or false: The new operator is used to create objects and invoke constructors.

True / False 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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State whether the statement is true or false: COM stands for class object model.

True / False 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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State whether the statement is true or false: Destructors cannot be inherited in C#.

True / False 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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State whether the statement is true or false: MSIL is a platform independent language.

True / False 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the difference between managed and unmanaged code.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Differentiate between managed and unmanaged code.
Explain the various ways for writing a C# program.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the concept of abstract methods in C#.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the term console applications.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the different types of array in C#.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Write a short note on VB.Net.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the various components of .NET platform.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Explain the various components of .NET framework.
Write a program in C# to show the concept of polymorphism with an example.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the concept of inheritance used in C# with the help of an example.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Describe the various types of operators used in C#.

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Write a program in C# to obtain calculate sum of two complex numbers.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Write short notes on Web Forms.

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Write short notes on Sealed Class.

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Write short notes on Destructors.

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: USB stands for ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: SCSI stands for ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: VGA stands for ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: A keyboard consists of a set of switches mounted in grid or array called the ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: An index sensor provides a feedback pulse signal that ________ the spindle as it rotates.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The printing speed of an ________ printer depends on the time required between two successive strikes of each print bin.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The movements of the rubber ball in a mouse are translated into ________ signals.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The ______ is the computer main circuit board and is where the CPU lives.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The bus slots are the ________ on the motherboard in which system adapters are installed.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: When heated, ________ emits a stream of high speed electrons that are attracted to the other end of the tube.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Instead of a spring, ________ switches uses a rubber dome that has a carbon button contact on the underside.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Many hard drives use ________ to control head movement.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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State whether the statement is true or false: Inkjet printers are bit image non-impact type of printers.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: ________ relates to the clarity of the image that a scanner can achieve, and is usually measured in dots per inch.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: RAM stands for ________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Explain what is BIOS?

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What is peripheral component interconnect bus (PCI)? Explain.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What are the differences between a VGA card and a SVGA card?

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the working principle of a capacitive key switch.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What is a floppy disk? How does it differ from a hard disk?

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain what is Head Actuator?

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What do you mean by scanner? Explain.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the basic concept of drum printer.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What are the functions of Bus slots on the motherboard?

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Describe the construction and working of Laser printer.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the common faults with hard disk drive and floppy drive.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Draw and explain the block diagram of motherboard.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Draw and explain the block diagram of computer monitor.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the following: RAM Module.

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the following: Solid state displays.

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Expand the acronym DHSP.

Short Answer 7.5 Marks Dec-2011 • PSBTE DIPLOMA

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Expand the acronym SSI.

Short Answer 7.5 Marks Dec-2011 • PSBTE DIPLOMA

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Expand the acronym CSH.

Short Answer 7.5 Marks Dec-2011 • PSBTE DIPLOMA

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Expand the acronym MULTICS.

Short Answer 7.5 Marks Dec-2011 • PSBTE DIPLOMA

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Expand the acronym FOSS.

Short Answer 7.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The file system is called ____________.

Fill in the Blanks 7.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: FD editor is __________ editor.

Fill in the Blanks 7.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The symbol __________ implies redirection of input.

Fill in the Blanks 7.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Redirection creates many __________ files.

Fill in the Blanks 7.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Who is used to list only __________ user.

Fill in the Blanks 7.5 Marks Dec-2011 • PSBTE DIPLOMA

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What is difference between single user and multi user operating system?

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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What is SSI? Explain it.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Explain shell script.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Define the three modes of operations of Vi.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the layout command with the help of example.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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What are the various options with rlogin command?

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Other than Vi which other editors are usually available under Linux.

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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What is output redirection operators?

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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How you configure your server to permit SSI?

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the various characteristics of PHP.

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Visual Studio .Net provides ________ window to create and access database.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: CLR converts byte code into ________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Toolbox window is the window that gives you access to all ________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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State whether the statement is true or false: .NET framework supports platform independence.

True / False 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The Web Service is saved with ________ extension.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Expand the acronym DLL.

Short Answer 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Expand the acronym SOAP.

Short Answer 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Expand the acronym XML.

Short Answer 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Expand the acronym DCOM.

Short Answer 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Expand the acronym HTTP.

Short Answer 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Differentiate between managed and unmanaged code.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Explain the difference between managed and unmanaged code.
Why do we use web forms?

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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How garbage collection is implemented in .NET.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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What are the building blocks of .NET?

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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What is a Web Service? Explain the need of Web Service.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Why CLR is important in .NET. Explain its features.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the function of DataReader object.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the architecture of ADO .Net.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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What do you mean by Web Service Architecture? Write down the various steps involved in creation of web services.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the various components of .NET framework.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Explain the various components of .NET platform.

What do you mean by validation controls? What are various validation controls available in Web application? Explain with example.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the IDE of window application.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Write short notes on Consuming a Web Service.

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Write short notes on Picture Box Control.

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Write short notes on System Data.

Short Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Wheat is __________ crop.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Measurement of rainfall is done with the help of __________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Lining of canal reduces __________ losses.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: The place from where canal is taken off is called __________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Fill in the blank: Water logging occurs due to __________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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State whether the statement is true or false: Rice is a Rabi crop.

True / False 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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State whether the statement is true or false: Barrage and weir is the same thing.

True / False 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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State whether the statement is true or false: River training works are provided to construct bridges and dams.

True / False 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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State whether the statement is true or false: Energy dissipations are provided in small equals.

True / False 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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State whether the statement is true or false: Homogeneous dams have no cone walls.

True / False 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain duty, delta and base period.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What precautions will you take in selecting a location of a rain gauge?

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Distinguish between Paleo irrigation and KOR.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What are catchment area and its types?

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Distinguish between weir and barrage.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Name Rabi and Kharif crops.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What are the advantages of irrigation?

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What are the advantages of canal lining?

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What do you understand by sub surface irrigation?

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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With the help of neat sketches explain various types of cross drainage works.

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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What are energy dissipaters? What is water logging? Explain its causes, harmful effects and remedies?

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Explain various types of river training work and their functions.

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Draw a typical X-section of Earthen Dam with core wall inside.

Long Answer 25 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Draw a typical X-section of Earthen Dam of diaphragm type.

Draw a typical X-section of Earthen Dam of diaphragm type.

Long Answer 25 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Draw a typical X-section of Earthen Dam with core wall inside.
Draw a neat labeled complete layout plan of canal head works.

Long Answer 25 Marks Dec-2011 • PSBTE DIPLOMA

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Draw a X-section of an unlined canal partly in cutting partly in filling.

Long Answer 25 Marks Dec-2011 • PSBTE DIPLOMA

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01 Where can I find Network Security previous year question papers for PSBTE Diploma CSE 6th semester?

This page is meant to help students find subject-wise previous year papers and old papers for Network Security under PSBTE Diploma CSE 6th semester.

02 Are solved papers available for Network Security on this page?

The page is for previous year question papers and exam preparation material. Availability of solved papers depends on what is listed on the page.

03 How do Network Security PYQs help in exam preparation?

They help students revise important topics, spot repeated questions, and understand the exam pattern used in past papers.

04 Can I use this page to check if Network Security has old papers for revision?

Yes, the page is focused on helping students look for old papers and subject-wise PYQs for revision before exams.

05 Is BRpaper the official website of PSBTE?

No. BRpaper is not the official website of PSBTE or any board or university; it only helps students find question papers and preparation resources.

Solved question paper for NS Dec-2011 (DIPLOMA 6th)

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