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- Question
Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the width (b), is
Options- A.
- B.
- C.
- D.
- Correct Answer
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- 1. The forces which do not meet at one point and their lines of action do not lie on the same plane are known as
Options- A. coplaner concurrent forces
- B. coplaner non-concurrent forces
- C. non-coplaner concurrent forces
- D. none of these Discuss
- 2. A machine which is not capable of doing any work in the reversed direction, after the effort is removed, is called a reversible machine.
Options- A. True
- B. False Discuss
- 3. The maximum velocity of a particle moving with simple harmonic motion is
Options- A. ?
- B. ?r
- C. ?2r
- D. ?/r Discuss
- 4. The resultant of two equal forces P making an angle ?, is given by
Options- A. 2 P sin ? /2
- B. 2 P cos ? /2
- C. 2 P tan ? /2
- D. 2 P cot ? /2 Discuss
- 5. When two elastic bodies collide with each other,
Options- A. the two bodies will momentarily come to rest after collision
- B. the two bodies tend to compress and deform at the surface of contact
- C. the two bodies begin to regain their original shape
- D. all of the above Discuss
- 6. When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium.
Options- A. inward
- B. outward Discuss
- 7. The horizontal range of a projectile (R) is given by
Options- A.
- B.
- C.
- D.
Discuss
- 8. Which of the following statement is correct?
Options- A. The periodic time of a particle moving with simple harmonic motion is the time taken by a particle for one complete oscillation,
- B. The periodic time of a particle moving with simple harmonic motion is directly proportional to its angular velocity.
- C. The velocity of the particle moving with simple harmonic motion is zero at the mean position.
- D. The acceleration of the particle moving with simple harmonic motion is maximum at the mean position. Discuss
- 9. The centre of percussion is below the centre of gravity of the body and is at a distance equal to
Options- A. h/kG
- B. h2/kG
- C. kG2/h
- D. h x kG Discuss
- 10. The centre of gravity of a quadrant of a circle lies along its central radius (r) at a distance of
Options- A. 0.5r
- B. 0.6r
- C. 0.7r
- D. 0.8r Discuss
Engineering Mechanics problems
Search Results
Correct Answer: none of these
Correct Answer: False
Correct Answer: ?r
Correct Answer: 2 P cos ? /2
Correct Answer: all of the above
Correct Answer: inward
Correct Answer:
Correct Answer: The periodic time of a particle moving with simple harmonic motion is the time taken by a particle for one complete oscillation,
Correct Answer: kG2/h
Correct Answer: 0.6r
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