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
  1. The scalar quantity is one that has only __________.
    Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
  2. The gravitational unit of force in SI system is __________.
    Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
  3. The force which tends to decrease the length of the body is called __________ force.
    Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
  4. The resultant of two forces is maximum when angle between them is __________.
    Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
  5. Sliding friction is always __________ than rolling friction.
    Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
  6. 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
  7. If arm of a couple is doubled its moment will __________.
    Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
  8. 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
  9. A machine is said to be irreversible if its efficiency is then 50%.
    Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
  10. As the load increases Mechanical Advantage __________.
    Fill in the Blanks 1 Marks Dec-2019 • PSBTE DIPLOMA
  11. Mass is a vector quantity.
    True / False 1 Marks Dec-2019 • PSBTE DIPLOMA
  12. Collinear forces mean the forces in same plane.
    True / False 1 Marks Dec-2019 • PSBTE DIPLOMA
  13. Couple can be replaced by a single force.
    True / False 1 Marks Dec-2019 • PSBTE DIPLOMA
  14. C.G. of the body does not always lies within the body.
    True / False 1 Marks Dec-2019 • PSBTE DIPLOMA
  15. The velocity ratio of first system of pulley is 2^n.
    True / False 1 Marks Dec-2019 • PSBTE DIPLOMA
  16. Differentiate scalar and vector quantities. Give three examples for each.
    Short Answer 5 Marks Dec-2019 • PSBTE DIPLOMA
  17. Define tensile stress, compressive stress and shear stress with the help of diagram.
    Short Answer 5 Marks Dec-2019 • PSBTE DIPLOMA
  18. State the principle of superposition and Lami’s theorem, giving the expression of Lami’s theorem.
    Short Answer 5 Marks Dec-2019 • PSBTE DIPLOMA
  19. 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
  20. 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
  21. State Varignon’s theorem. What do you mean by centre of gravity?
    Short Answer 5 Marks Dec-2019 • PSBTE DIPLOMA
  22. What do you mean by mechanical advantage and velocity ratio?
    Short Answer 5 Marks Dec-2019 • PSBTE DIPLOMA
  23. Briefly explain the law of machines.
    Short Answer 5 Marks Dec-2019 • PSBTE DIPLOMA
  24. 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
  25. 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
  26. What do you mean by static friction?
    Short Answer 10 Marks Dec-2019 • PSBTE DIPLOMA
  27. What do you mean by dynamic friction?
    Short Answer 10 Marks Dec-2019 • PSBTE DIPLOMA
  28. What do you mean by coefficient of friction?
    Short Answer 10 Marks Dec-2019 • PSBTE DIPLOMA
  29. What do you mean by angle of friction?
    Short Answer 10 Marks Dec-2019 • PSBTE DIPLOMA
  30. What do you mean by angle of repose?
    Short Answer 10 Marks Dec-2019 • PSBTE DIPLOMA
  31. What do you mean by ideal machine and reversible machine?
    Short Answer 10 Marks Dec-2019 • PSBTE DIPLOMA
  32. 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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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.