Solved question paper for BEE Dec-2011 (DIPLOMA 1st-2nd)

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Basic electrical engineering Dec-2011

PSBTE • DIPLOMA • Information Technology • 1st-2nd • Dec-2011

Basic Electrical Engineering for Punjab State Board of Technical Education Diploma in Engineering students is a helpful page for finding subject-wise previous year question papers for the 1st-2nd semester. Students can use these PYQ papers to revise core topics, understand the exam pattern, and identify important questions that are asked again and again. BRpaper organizes old question papers in a simple way so you can look for semester-wise and subject-wise papers, including diploma question paper PDF style searches. BRpaper is not the official website of the Punjab State Board of Technical Education, and it does not publish official papers or guarantees solved papers, but it helps students access exam-preparation material more easily.

Question papers (year-wise) Solutions

Solved Questions

Solved

The unit of magnetic flux density is ___________.

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

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May 2019 The unit of flux density is_______

May 2019 The unit of magnetic flux density is _________.

May 2018
Unit of magnetic flux density is ______

Dec 2017
SECTION-A

Q1. Fill in the blanks.

a. The unit of magnetic flux density is ___________.

Dec 2016
Units of magnetic flux is ……..

Dec 2016
Explain magnetic flux density and its unit.

Dec 2015 Unit of magnetic flux is _________.
If ‘n’ identical resistances are connected in series, their total value is K? when these are connected in parallel their effective value is ___________.

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

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The resistance of a wire is 2?. If the diameter of wire is reduced to half, keeping the length same, then the resistance will be ___________.

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

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The power factor of an A.C. circuit is equal to ___________.

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

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May 2021 What is power factor ? Give its importance.

May 2021 What is a power factor? Give its importance.

May 2019 The power factor is the ratio of _________.

May 2016
The power factor is the ratio of______________.

Dec 2016
Define Power factor.

May 2015 Write short note on power factor and its importance.

Dec 2015 The maximum value of power factor is _____________.

Frequency of D.C. voltage is ___________.

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

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May 2019 Frequency of DC voltage is ________.

Dec 2018 Frequency of D.C. voltage is ______.

Dec 2016
Frequency of DC is ………..

May 2015 Frequency of DC voltage source is _______.
The unit of coefficient of coupling is ___________.

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

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For battery charging ___________ supply is required.

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

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May 2019 For battery charging ________ supply is required.

May 2017
For battery charging ___________ supply is required.

Dec 2015 For battery charging ____________ supply is required.
If 18 resistances, each of 36W are connected in parallel, then effective resistive will be ___________.

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

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The power drawn by pure inductance is ___________.

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

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Dec 2018 The power drawn by pure inductance is ______.

May 2015 The power factor of a pure inductive circuit will be _____.

Dec 2015 The power factors of a pure inductive circuit will be ___________.
Give the merits and demerits of nuclear power plant.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2016
Discuss nuclear power plant in brief.

Dec 2015 Give the merits and demerits of nuclear power plant.
Define self and mutually induced emfs.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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May 2015 Define self and mutually induced emfs.
Draw and explain phasor diagram for the R-L series circuit.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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May 2020 Explain RLC series circuit with the help of phasor diagram in detail.

Dec 2018 Draw and explain phasor diagram for the R-L series circuit.

Dec 2018 Explain R-C series circuit with the help of phasor diagram in detail.

Dec 2017
Draw and explain phasor diagram for the R-L series circuit

Dec 2016
Explain RC series circuit in detail with phasor diagram.

Explain hysteresis loss.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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What is constant current source and draw characteristics of an ideal current source.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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May 2020 What is constant voltage source and draw characteristics of ideal voltage source?

Dec 2018 What is constant current source and draw characteristics of ideal current source?

May 2017
What is constant current source and draw characteristics of an ideal current source.
A resistor of 100W is connected in series with a 56mF capacitor to a supply at 230 V, 50 Hz. Find the impedance, the current, the phase angle, the pf and the voltage across the resistor and the capacitor.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2018 A resistor of 100 ohm is connected in series with a 56 micro-farad capacitor to a supply at 230V, 50Hz. Find the impedance, the current, the phase angle, the pf and the voltage across resistor and capacitor.
What do you mean by form factor and peak factor?

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Find the impedance, current and the power factor of the following series circuits and draw the corresponding phasor diagram: (i) R and L (ii) R and C. In each case the applied voltage is 200 volt, the frequency is 50 Hz, R = 10 ohm, L = 50 mH; C = 100? F.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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May 2017
OR

Find the impedance, current and power factor of the following series circuits and draw the corresponding phasor diagram: (i) R and L (ii) R and C In each case the applied voltage is 100 volts, the frequency is 50 Hz, R=40â„¦, L=0.1H,C=20µf.
What are the various precautions to be observed for obtaining longer life and batter efficiency of lead acid battery?

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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May 2017
What are the various precautions to be observed for obtaining longer life and better efficiency of lead acid battery.

May 2015 What are the various precautions to be observed for longer life and better efficiency of lead acid battery?
Define flux, mmf, reluctance and permeability in magnetic circuits.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 Define m.m.f., flux, reluctance and permeability.

Dec 2017
Define the terms: MME, Flux, reluctance, susceptibility.
Compare electric and magnetic circuits. What do you mean by power factor? What is its importance.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Discuss hydro power plant with the help of schematic diagram.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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May 2021 Draw and explain elementary block diagram of hydro power station in detail.
Extraction of metal from its chief ore at high temperature is known as ______ metallurgy.

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

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Aluminium alloy used to manufacture permanent magnets is ________.

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

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It is necessary to cover available surface completely in _______ coating of base metal by protecting metal.

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

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When a Fe–rod is kept in contact with Zn–rod then, Fe–rod can act as _______.

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

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If 10 L of a liquid fuel is burnt to produce Q kJ heat then, calorific value of fuel is ______ kJ/L.

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

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Coal is converted into gasoline by heating carbon and hydrogen in presence of ______ catalyst.

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

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________ number is used for rating diesel fuel.

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

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Pour point and cloud point of lubricating oil are always same.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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Total acid number (TAN) of lubricating oil must be minimum.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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Pigmented varnish is called paint.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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Pyrex glass is used in making laboratory apparatus.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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Harding of natural rubber by heating with sulphur is vulcanization of rubber.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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Nylon 6,6 is an addition polymer.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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Deforestation causes air pollution.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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Tree plantation on both sides of roads can reduce noise pollution.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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Explain electrolytic refining of crude metal, with neat diagram of electrolytic tank.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Explain zone refining with neat diagram.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the corrosion of iron by hydrogen evolution mechanism with help of neat diagram.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Explain the corrosion of iron by oxygen absorption mechanism with help of neat diagram.
Explain the corrosion of iron by oxygen absorption mechanism with help of neat diagram.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Explain the corrosion of iron by hydrogen evolution mechanism with help of neat diagram.

What do you mean by passivity?

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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What is corrosion? How it is different form erosion?

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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How petrol fuel is rated by octane number? Explain.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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What is water gas? How is it manufactured? Give two application of it.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Calculate the calorific value of sample of coal 10 kg of which produces 1000 kJ of heat on complete combustion.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Define oiliness, viscosity and viscosity index, flash and fire point of lubricating oil.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Define coke number, total acid number (TAN), aniline point, iodine and saponification value of lubricating oil.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Give the chemical composition and two applications of borosilicate glass.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Give chemical composition of soda glass and two applications.

Give chemical composition of soda glass and two applications.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Give the chemical composition and two applications of borosilicate glass.
What is enamel? Name the constituents of enamels.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Name the unit in which sewage water pollution and sound pollutions are measured.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Give one example to homo polymer and copolymer.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Distinguish thermoplastics and thermosetting plastics.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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What is vulcanisation of rubber? Mention advantages of vulcanised rubber.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Name green house gases. What effect they cause to the atmosphere?

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Describe extraction of iron from haematite (Fe2O3) ore in blast furnace with chemical reactions at various zones with neat diagram of blast furnace.

Long Answer 7 Marks Dec-2011 • PSBTE DIPLOMA

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What is importance of “Go value of metal oxides? Explain usefulness of Ellingham’s diagrams in metallurgical operations.

Long Answer 7 Marks Dec-2011 • PSBTE DIPLOMA

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State Pilling–Bedworth rule and mention its importance.

Short Answer 3 Marks Dec-2011 • PSBTE DIPLOMA

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What is chromising?

Very Short Answer 1 Marks Dec-2011 • PSBTE DIPLOMA

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What is cetane number? Discuss the relation between cetane and chemical constituent of fuel.

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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A 5g fuel sample is completely burnt in a bomb calorimeter containing 2000 g water and 110 g water equivalent of calorimeter causes 1.5° rise in temperature. Calculate higher calorific value of fuel.

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What is the main constituent of biogas? Give applications of biogas.

Short Answer 2 Marks Dec-2011 • PSBTE DIPLOMA

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What are super conductors? Give examples.

Short Answer 2 Marks Dec-2011 • PSBTE DIPLOMA

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What is hydrodynamic lubrication? Explain.

Short Answer 4 Marks Dec-2011 • PSBTE DIPLOMA

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Explain boundary lubrication mechanism.

Short Answer 4 Marks Dec-2011 • PSBTE DIPLOMA

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What are refractories? Give examples each type.

Short Answer 2 Marks Dec-2011 • PSBTE DIPLOMA

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What are adhesives? Give the use of araldite.

Short Answer 2 Marks Dec-2011 • PSBTE DIPLOMA

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What is PVC? How it is manufactured? Give an important application of PVC.

Short Answer 2 Marks Dec-2011 • PSBTE DIPLOMA

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What is polymerisation? Give example to condensation polymer.

Short Answer 2 Marks Dec-2011 • PSBTE DIPLOMA

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01 Where can I find Basic Electrical Engineering previous year question papers for PSBTE Diploma?

You can use this page to find subject-wise previous year question papers for Basic Electrical Engineering in the PSBTE Diploma 1st-2nd semester section.

02 Are Basic Electrical Engineering question papers available as PDF?

Many students search for diploma question paper PDF files for this subject. This page helps you look for old papers in a quick, organized way.

03 Will I get solved question papers for Basic Electrical Engineering here?

BRpaper mainly helps students find previous year question papers and exam-preparation material. It does not guarantee solved papers or official answers.

04 How do these old papers help in exam preparation?

They help you understand the exam pattern, revise important topics, and notice repeated questions that are often asked in this subject.

05 Is this the official PSBTE website?

No. BRpaper is not the official website of the Punjab State Board of Technical Education. It is a separate page that helps students find question papers.

Solved question paper for BEE Dec-2011 (DIPLOMA 1st-2nd)

Basic electrical engineering Dec-2011

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