Solved question paper for AM Dec-2019 (DIPLOMA 3rd)
Solved Question Paper
Applied mechanics Dec-2019
PSBTE • DIPLOMA • Cvil Engineering • 3rd • Dec-2019
Applied Mechanics for Punjab State Board of Technical Education Diploma in Engineering Civil Engineering 3rd semester helps students find subject-wise previous year question papers and old papers for exam practice. These papers are useful for understanding the paper pattern, repeated questions, and the kind of topics that are asked more often in revision and preparation. BRpaper is not the official website of the university or board. This page is meant to support students who want quick access to applied mechanics PYQs, exam preparation material, and paper-based revision for the diploma civil 3rd semester subject.
Solved Questions
Solved-
The scalar quantity is one that has only __________.Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
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The gravitational unit of force in SI system is __________.Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
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The force which tends to decrease the length of the body is called __________ force.Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
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Dec 2019 The force which tends to increase the length of a body is known as ______.
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May 2016 The force which tends to decrease the length of the body is called ............... force.
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The resultant of two forces is maximum when angle between them is __________.Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
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May 2019 Resultant of two forces is maximum when angle between them is_________.
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Sliding friction is always __________ than rolling friction.Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
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Dec 2019 Rolling friction is always ______ than sliding friction.
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Dec 2018
Rolling friction is always _______ then sliding friction.
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May 2017
Sliding friction is always ……………… then Rolling friction.
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Dec 2015 Sliding friction is always ....................than the rolling friction.
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May 2009 Rolling friction is more than sliding friction.
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The moment of a force about a point through which its line of action passes is __________.Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
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May 2022 Moment of force = Force × _____
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Dec 2015 Moment of a force =..................... x perpendicular distance.
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May 2009 Moment of a force = ____ × moment arm.
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If arm of a couple is doubled its moment will __________.Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
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Centroid of a semi-circle lies at a distance of __________ from base. (Assume radius = r)Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
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Dec 2015 The C.G of a semicircle lies at a distance of ...............from the base.
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May 2009 Centroid of semicircle lies at the distance of ____ from the base where R is the radius.
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A machine is said to be irreversible if its efficiency is then 50%.Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
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Dec 2018
A machine is said to be irreversible if its efficiency is ________ then 50%.
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May 2017
A machine is said to be irreversible if its efficiency is …………… then 50%.
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May 2016 A machine is said to be reversible if its efficiency is …………… then 50%.
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As the load increases Mechanical Advantage __________.Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
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Mass is a vector quantity.True / False 1 Marks Dec-2019 • PSBTE DIPLOMA
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Collinear forces mean the forces in same plane.True / False 1 Marks Dec-2019 • PSBTE DIPLOMA
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Couple can be replaced by a single force.True / False 1 Marks Dec-2019 • PSBTE DIPLOMA
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C.G. of the body does not always lies within the body.True / False 1 Marks Dec-2019 • PSBTE DIPLOMA
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The velocity ratio of first system of pulley is 2^n.True / False 1 Marks Dec-2019 • PSBTE DIPLOMA
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Differentiate scalar and vector quantities. Give three examples for each.Short Answer 5 Marks Dec-2019 • PSBTE DIPLOMA
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Define tensile stress, compressive stress and shear stress with the help of diagram.Short Answer 5 Marks Dec-2019 • PSBTE DIPLOMA
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State the principle of superposition and Lami’s theorem, giving the expression of Lami’s theorem.Short Answer 5 Marks Dec-2019 • PSBTE DIPLOMA
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Two forces of magnitude 20 N each when added give a resultant of 20 N. Find the angle between them.Short Answer 5 Marks Dec-2019 • PSBTE DIPLOMA
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Where does the C.G. of the following regular solids lie? (a) Hemisphere (solid) (b) Cone (solid) (c) Cylinder (solid)Short Answer 5 Marks Dec-2019 • PSBTE DIPLOMA
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Dec 2018
Where the C.G. does lies of sphere, circular cone, and right circular cylinder?
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May 2017
Where the C.G. does lies of sphere, circular cone, and right circular cylinder?
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May 2016 Where does the C.G. lie for hemisphere, right circular cone, right circular cylinder?
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Dec 2016 Where does the C.G of a cone (solid) lie?
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Dec 2016 Where does the C.G of a cone (hollow) lie?
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Dec 2016 Where does the C.G of a cylinder (hollow) lie?
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Dec 2016 Where does the C.G of a cylinder (solid) lie?
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State Varignon’s theorem. What do you mean by centre of gravity?Short Answer 5 Marks Dec-2019 • PSBTE DIPLOMA
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What do you mean by mechanical advantage and velocity ratio?Short Answer 5 Marks Dec-2019 • PSBTE DIPLOMA
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Briefly explain the law of machines.Short Answer 5 Marks Dec-2019 • PSBTE DIPLOMA
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May 2016 What is law of machine?
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May 2015 Explain the law of machine.
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Find the magnitude and direction of the resultant of the following force system: 20 N due north, 10 N due north-west, 5 N due east, 10 N due 30° west of south, and 20 N due 60° north-west.Long Answer 10 Marks Dec-2019 • PSBTE DIPLOMA
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Dec 2018
SECTION-C
Q3. Attempt any three questions.
a. Find the magnitude and direction of the resultant of the following force system.
i. 30 N due north.
ii. 35 N due north-west.
iii. 15 N due east.
iv. 16 N due 450 west of south
v. 32 N due 750 North West
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May 2017
SECTION-C
Q3. Attempt any three questions.
a. Find the magnitude and direction of the resultant of the following force system.
1. 20 N due north.
2. 12 N due north-west.
3. 10 N due east.
4. 8 N due 350 west of south
5. 16 N due 650 North West.
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May 2016 Find the magnitude and direction of the resultant of the following force system: 10 N due north, 8 N due north-west, 5 N due east, 4 N due 350 west of south, 12 N due 650 North West.
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May 2015 Find the magnitude and direction of the following force system: (i) 8N due North. (ii) 6N due North West. (iii) 3N due East. (iv) 2N due 30° West of South. (v) 10N due 60° North of West.
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Find the centroid of a symmetrical I-section whose dimensions are: flanges 10 cm × 2.5 cm, web 10 cm × 2.5 cm.Long Answer 10 Marks Dec-2019 • PSBTE DIPLOMA
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May 2019 Find centroid of I section whose dimensions are Top flange = 10cm x 2.5cm, Web = 10cm x 2.5cm, Bottom flange = 15cm x 2.5cm.
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What do you mean by static friction?Short Answer 10 Marks Dec-2019 • PSBTE DIPLOMA
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May 2021 What are laws of static friction?
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May 2020 What are laws of static friction?
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Dec 2019 What do you mean by dynamic friction?
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Dec 2019 What do you mean by coefficient of friction?
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Dec 2019 What do you mean by angle of friction?
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Dec 2019 What is friction and what are its types?
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Dec 2016 What are laws of static friction?
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What do you mean by dynamic friction?Short Answer 10 Marks Dec-2019 • PSBTE DIPLOMA
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May 2021 What are laws of static friction?
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May 2020 What are laws of static friction?
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Dec 2019 What do you mean by static friction?
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Dec 2019 What do you mean by coefficient of friction?
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Dec 2019 What do you mean by angle of friction?
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Dec 2019 What is friction and what are its types?
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Dec 2016 What are laws of static friction?
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What do you mean by coefficient of friction?Short Answer 10 Marks Dec-2019 • PSBTE DIPLOMA
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May 2021 What are laws of static friction?
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May 2020 What are laws of static friction?
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Dec 2019 What do you mean by static friction?
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Dec 2019 What do you mean by dynamic friction?
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Dec 2019 What do you mean by angle of friction?
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Dec 2019 What is friction and what are its types?
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Dec 2016 What are laws of static friction?
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What do you mean by angle of friction?Short Answer 10 Marks Dec-2019 • PSBTE DIPLOMA
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May 2021 What are laws of static friction?
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May 2020 What are laws of static friction?
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Dec 2019 What do you mean by static friction?
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Dec 2019 What do you mean by dynamic friction?
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Dec 2019 What do you mean by coefficient of friction?
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Dec 2019 What is friction and what are its types?
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Dec 2016 What are laws of static friction?
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What do you mean by angle of repose?Short Answer 10 Marks Dec-2019 • PSBTE DIPLOMA
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May 2021 Define angle of repose.
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Dec 2016 Explain the angle of repose.
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What do you mean by ideal machine and reversible machine?Short Answer 10 Marks Dec-2019 • PSBTE DIPLOMA
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A lifting machine has a velocity ratio of 25, lifts a load of 400 N with an efficiency of 60%. What effort would be required? What would be the mechanical advantage?Long Answer 10 Marks Dec-2019 • PSBTE DIPLOMA
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May 2021 A lifting machine has a velocity rat io of 25, lift s a load of 350N of 70%. Calculate the effort required and the mechanical advantage.
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May 2015 A lifting machine has a velocity ratio of 25, lifts a load of 350N with an efficiency of 70%. Calculate the effort required and the mechanical advantage.
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Answers about this subject, solved papers, and preparation.
01 Where can I find Applied Mechanics previous year question papers for PSBTE Diploma Civil Engineering 3rd semester?
You can use this Applied Mechanics subject page to look for subject-wise previous year question papers and old papers for PSBTE Diploma Civil Engineering 3rd semester revision.
02 Are these Applied Mechanics papers useful for exam preparation?
Yes, old papers help students understand the exam pattern, repeated questions, and commonly asked topics before the exam.
03 Do the papers on this page include solved answers?
This page is mainly for previous year question papers and revision support. Availability of solved papers may vary by paper set.
04 Can I use this page to download or open Applied Mechanics papers quickly?
The page is designed for easy access to Applied Mechanics question papers and related exam practice material in a student-friendly format.
05 Is BRpaper the official website for PSBTE Applied Mechanics papers?
No. BRpaper is not the official website of Punjab State Board of Technical Education or any university or board. It only helps students find question papers and study material.