Solved question paper for FM May-2018 (DIPLOMA 3rd)

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Fluid mechanics May-2018

PSBTE • DIPLOMA • Cvil Engineering • 3rd • May-2018

FM is the fluid mechanics subject for Punjab State Board of Technical Education Diploma in Engineering Civil Engineering 3rd semester students. On this page, students can find subject-wise previous year question papers and old papers for revision, exam practice, and a better understanding of common question patterns in fluid mechanics. These papers can help you identify repeated topics, practice time management, and prepare for important areas before exams. BRpaper is not the official website of the Punjab State Board of Technical Education or any affiliated institute. It only helps students access exam preparation material and previous year papers related to this subject.

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SECTION-A

Q1. a) Fill in the blanks.

i. The pipe running partially full behaves likes an ......................

Very Short Answer 15x1=15 Marks May-2018 • PSBTE DIPLOMA

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Dec 2017
The pipe running partially full behaves like________.

Dec 2016 The pipe running partially full behaves like________.
Vacuum pressure is also called _____________

Very Short Answer May-2018 • PSBTE DIPLOMA

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May 2022
Vacuum pressure is also called________

Dec 2019 Vacuum pressure is also called _____

Dec 2015 Vacuum pressure is also called _____________.
The ratio of inertia force to viscous force is known as ____________

Very Short Answer May-2018 • PSBTE DIPLOMA

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Bar is the unit of ___________

Very Short Answer May-2018 • PSBTE DIPLOMA

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May 2022
One bar is equal to________

Loss of head at the exit of pipe is given as _____________

Very Short Answer May-2018 • PSBTE DIPLOMA

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Pitot tube is used to measure the_______ of stream at a particular depth.

Very Short Answer May-2018 • PSBTE DIPLOMA

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May 2022 Pitot tube is used to measure the ______ of stream at particular depth.

May 2022
Pitot tube is used to measure the________ of stream at a particular depth.

Dec 2019 Pitot tube is used to measure _____.

May 2007 Pitot tube is used for the measurement of ______.
An ideal fluid is that which has no ___________

Very Short Answer May-2018 • PSBTE DIPLOMA

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May 2022
Ideal fluid is known as________
In an open channel water flows under ___________

Very Short Answer May-2018 • PSBTE DIPLOMA

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Dec 2019 The water in channel always flow under _____.

Piezometer is used to measure the ____________

Very Short Answer May-2018 • PSBTE DIPLOMA

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May 2022
Piezometer is used to measure________

Dec 2018
Peizometer measures __________pressure.

May 2017
Piezometer is used to measure _________

Dec 2017
Piezometer measures _______ pressure only.

Dec 2016 Piezometer measures_______pressure only.
The sheet of water flowing through a notch is known as ____________

Very Short Answer May-2018 • PSBTE DIPLOMA

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State True or False.

xi. Stoke is the unit of kinematic viscosity.

Very Short Answer May-2018 • PSBTE DIPLOMA

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Specific volume is the reciprocal of mass density.

Very Short Answer May-2018 • PSBTE DIPLOMA

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Hydrostatic pressure is the pressure of water at rest.

Very Short Answer May-2018 • PSBTE DIPLOMA

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May 2015 Hydrostatic pressure is the pressure of water at rest.
The pressure intensity does not vary with depth of liquid.

Very Short Answer May-2018 • PSBTE DIPLOMA

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Dec 2019 Pressure intensity does not vary with depth of liquid.
Reciprocating pumps are also called negative displacement pumps

Very Short Answer May-2018 • PSBTE DIPLOMA

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Dec 2018
Reciprocating pump is a type of __________
SECTION-B

Q2. Attempt any six questions.

a. Explain the entrance and exit losses in a pipe

Short Answer 6x5=30 Marks May-2018 • PSBTE DIPLOMA

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Define an economical section, hydraulic mean depth and wetted perimeter

Short Answer May-2018 • PSBTE DIPLOMA

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May 2022 Define most economical section, hydraulic mean depth and wetted perimeter in case of Channel.

May 2022 Define an economical section, hydraulic mean depth and wetted perimeter.

May 2015 Define wetted perimeter and hydraulic mean depth?
State Bernoulli's theorem and its applications.

Short Answer May-2018 • PSBTE DIPLOMA

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May 2022 State Bernoulli’s theorem. Give its expression.

May 2022 State Bernoulli’s theorem and its application ions.

May 2016 State Bernoulli theorem. Name different practical applications of Bernoulli theorem.

Dec 2015 State Bernoulli’s theorem and its applications.
Explain the continuity equation of flow

Short Answer May-2018 • PSBTE DIPLOMA

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Write a short note on differential monometer.

Short Answer May-2018 • PSBTE DIPLOMA

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Dec 2019 Write a short note on differential manometer.

Explain the total energy line and hydraulic gradient line

Short Answer May-2018 • PSBTE DIPLOMA

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Dec 2018
Explain in detail the hydraulic gradient line and total energy line by showing its diagram.
Explain the differences between an orifice and mouthpiece.

Short Answer May-2018 • PSBTE DIPLOMA

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May 2022 How will you differentiate between orifice and mouthpiece?

Dec 2018
Define an Orifice and mouthpiece .What is the difference between the two?
Differentiate between real fluids and ideal fluids.

Short Answer May-2018 • PSBTE DIPLOMA

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May 2020 Differentiate between ideal and real fluid.
Explain the concept of Water Hammer.

Short Answer May-2018 • PSBTE DIPLOMA

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SECTION-C

Q3. Attempt any three questions.

i. Calculate the mass density, specific weight and specific gravity of one litre of liquid which weighs 9 N.

Long Answer 3x10=30 Marks May-2018 • PSBTE DIPLOMA

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May 2017
SECTION C

Attempt any two questions.

Q3. Calculate specific weight, density, specific volume and specific gravity of 1 litre of petrol which weighs 7 N.

Dec 2017
SECTION-C

Q3. Attempt any three questions.

i. Calculate the specific weight, mass density, specific volume, relative density of 5 litres of a liquid which weighs 25 N.
A triangular plate of base 3 m and height 4 m lies immersed vertically in water with the apex downward. The base of plate is 1 m below the free water surface. Determine the total pressure and center of pressure.

Long Answer May-2018 • PSBTE DIPLOMA

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May 2022 (b) A triangular plate of base 3 m and height 4m lies immersed vertically in water with the apex downward. The base of plate is 1m below the free water surfaces. Determine the total pressure and Centre of pressure.
Calculate the flow of water in liters/hour through a 40x15 cm venturimeter when differential gauge connected to the inlet end of the meter and its throat shows 25 cm o of mercury. Assume the discharge coefficient as 0.98.

Long Answer May-2018 • PSBTE DIPLOMA

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A differential manometer connected at two points A and B in a pipe containing an oil of specific gravity 0.8 shows a difference in mercury levels as 15 mm. Determine the difference in pressure at the two points in terms of head of water

Long Answer May-2018 • PSBTE DIPLOMA

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A rectangular channel has a cross section of 8 m2 .Find the discharge and size through the most economical section. If the bed slope is 1 in 1000 .Take c=55

Long Answer May-2018 • PSBTE DIPLOMA

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Dec 2018
A rectangular channel has a cross-sectional area of 72m2 . Calculate the discharge through the most economical section, when the bed slope is 1 in 1500 and C=55.

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Answers about this subject, solved papers, and preparation.

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01 What is this FM page for PSBTE Diploma Civil Engineering 3rd semester?

This page is for Fluid Mechanics (FM) subject-wise previous year question papers and exam preparation material for PSBTE Diploma Civil Engineering 3rd semester students.

02 Can I use these FM papers to prepare for exams?

Yes, these old papers can help you revise key topics, understand the exam pattern, and practice commonly repeated questions before the exam.

03 Are these official question papers from PSBTE?

No. BRpaper is not the official website of PSBTE. It only helps students find previous year papers and related preparation content.

04 Do these papers help in finding important questions for Fluid Mechanics?

Yes, previous year papers are useful for spotting repeated topics and identifying important areas to focus on during revision.

05 Are the papers available in a readable format for quick study?

The page is meant to help students access papers in a simple, student-friendly way for quick reading and exam practice.

Solved question paper for FM May-2018 (DIPLOMA 3rd)

Fluid mechanics May-2018

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