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- Question
The reaction at the support D of the continuous beam ABCD, hinged at two points shown in below figure is
Options- A. 1.6 t ?
- B. 1.6 t ?
- C. 0.5 t ?
- D. 0.5 t ?
- E. 8.5 t ?
- Correct Answer
- 1.6 t ?
- 1. The motion of a particle moving with S.H.M. from an extremity to the other, constitutes
Options- A. half an oscillation
- B. one full oscillation
- C. two oscillations
- D. none of these. Discuss
- 2. A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is
Options- A. 16 m/sec
- B. 18 m/sec
- C. 20 m/sec
- D. 22 m/sec. Discuss
- 3. The unit of impulse, is
Options- A. kg.m/sec
- B. kg.m/sec3
- C. kg.m/sec2
- D. kg.m2/sec. Discuss
- 4. The centre of gravity of a quadrant of a circle lies along its central radius at a distance of
Options- A. 0.2 R
- B. 0.3 R
- C. 0.4 R
- D. 0.5 R
- E. 0.6 R. Discuss
- 5. The rotational velocity of a satellite is increased by 450 m per second if its launch is done from equator
Options- A. eastward
- B. northward
- C. westward
- D. southward
- E. upward. Discuss
- 6. For a self-locking machine, the efficiency should be
Options- A. less than 60%
- B. 50%
- C. more than 50%
- D. None of these. Discuss
- 7. Centre of gravity of a thin hollow cone lies on the axis of symmmetry at a height of
Options- A. one-half of the total height above base
- B. one-third of the total height above base
- C. one-fourth of the total height above base
- D. none of these. Discuss
- 8. When a body falls freely under gravitational force, it possesses
Options- A. maximum weight
- B. minimum weight
- C. no weight
- D. no effect on its weight. Discuss
- 9. Periodic time of a particle moving with simple harmonic motion is the time taken by the particle for
Options- A. half oscillation
- B. quarter oscillation
- C. complete oscillation
- D. none of these. Discuss
- 10. The piston of a steam engine moves with a simple harmonic motion. The crank rotates 120 r.p.m. and the stroke length is 2 metres. The linear velocity of the piston when it is at a distance of 0.5 metre from the centre, is
Options- A. 5.88 m/sec
- B. 8.88 m/sec
- C. 10.88 m/sec
- D. 12.88 m/sec. Discuss
Applied Mechanics problems
Search Results
Correct Answer: half an oscillation
Correct Answer: 20 m/sec
Correct Answer: kg.m/sec
Correct Answer: 0.6 R.
Correct Answer: eastward
Correct Answer: less than 60%
Correct Answer: one-third of the total height above base
Correct Answer: no weight
Correct Answer: complete oscillation
Correct Answer: 10.88 m/sec
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