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- Question
The unit of dynamic viscosity in S.I. units is
Options- A. N-m/s2
- B. N-s/m2
- C. poise
- D. stoke
- Correct Answer
- N-s/m2
- 1. The thermal stress __________ upon the cross-sectional area of the bar.
Options- A. depends
- B. does not depend 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 motion of the cam is transferred to the valves through
Options- A. pistons
- B. rocker arms
- C. camshaft pulley
- D. valve stems Discuss
- 4. Prandtl number (PN) is given by PN = ?.cp/k.
Options- A. Yes
- B. No Discuss
- 5. The process of finding out the resultant force is called __________ of forces.
Options- A. composition
- B. resolution Discuss
- 6. The weight per unit volume of a liquid at a standard temperature and pressure is called
Options- A. specific weight
- B. mass density
- C. specific gravity
- D. none of these Discuss
- 7. The behaviour of a perfect gas, undergoing any change in the variables which control physical properties, is governed by
Options- A. Boyle's law
- B. Charles' law
- C. Gay-Lussac law
- D. all of these Discuss
- 8. Which of the following is an intensive property of a thermodynamic system?
Options- A. Volume
- B. Temperature
- C. Mass
- D. Energy Discuss
- 9. 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.
Discuss
- 10. In a compressed air system, the temperature of air discharged from the air motor is __________ than the initial compressor intake temperature.
Options- A. more
- B. less Discuss
More questions
Correct Answer: does not depend
Correct Answer: False
Correct Answer: rocker arms
Correct Answer: Yes
Correct Answer: composition
Correct Answer: specific weight
Correct Answer: all of these
Correct Answer: Temperature
Correct Answer:
Correct Answer: less
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