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- Question
Work done is said to be zero, when
Options- A. some force acts on a body, but displacement is zero
- B. no force acts on a body but some displacement takes place
- C. either (a) or (b)
- D. none of the above
- Correct Answer
- either (a) or (b)
- 1. A single point tool has
Options- A. rake angle
- B. cutting angle
- C. lip angle
- D. all of these Discuss
- 2. A Tandem type compound engine requires a larger flywheel.
Options- A. True
- B. False Discuss
- 3. The friction experienced by a body, when in motion, is known as
Options- A. rolling friction
- B. dynamic friction
- C. limiting friction
- D. static friction Discuss
- 4. The action of steam in a steam turbine is
Options- A. static
- B. dynamic
- C. static and dynamic
- D. neither static nor dynamic Discuss
- 5. In the manufacturing of lead shots, the property of surface tension is utilised.
Options- A. Agree
- B. Disagree Discuss
- 6. Slip factor in a centrifugal compressor indicates the amount of air leaked from the storage vessel.
Options- A. Yes
- B. No Discuss
- 7. The sensible heat gain is due to the __________ difference between the fresh air and the air in space.
Options- A. temperature
- B. humidity Discuss
- 8. The self ignition temperature of Diesel as compared to petrol is
Options- A. higher
- B. lower
- C. same
- D. depends on fuel quality Discuss
- 9. The maximum velocity of a particle moving with simple harmonic motion is
Options- A. ?
- B. ?r
- C. ?2r
- D. ?/r Discuss
- 10. The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is
Options- A. pressure drop across the valves
- B. superheating in compressor
- C. clearance volume and leakages
- D. all of these Discuss
More questions
Correct Answer: all of these
Correct Answer: True
Correct Answer: dynamic friction
Correct Answer: dynamic
Correct Answer: Agree
Correct Answer: No
Correct Answer: temperature
Correct Answer: lower
Correct Answer: ?r
Correct Answer: all of these
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