Discussion
Home ‣ Mechanical Engineering ‣ IC Engines and Nuclear Power Plants Comments
- Question
A moderator
Options- A. absorbs neutrons
- B. does not absorb neutrons
- C. accelerates neutrons
- D. none of these
- Correct Answer
- does not absorb neutrons
- 1. A petrol engine, during suction stroke draws
Options- A. air only
- B. petrol only
- C. a mixture of petrol and air Discuss
- 2. The correct mixture strength (by weight) for petrol is about
Options- A. 14.6:1
- B. 18.5:1
- C. 20.4:1
- D. 22.6:1 Discuss
- 3. Stage efficiency is also known as
Options- A. diagram efficiency
- B. nozzle efficiency
- C. gross efficiency
- D. none of these Discuss
- 4. In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is
Options- A. low
- B. very low
- C. high
- D. very high Discuss
- 5. In a reaction turbine, when steam flows through the moving blades,
Options- A. pressure increases while velocity decreases
- B. pressure decreases while velocity increases
- C. pressure and velocity both decreases
- D. pressure and velocity both increases Discuss
- 6. A turbo-jet does not require a turbine to drive the compressor.
Options- A. True
- B. False Discuss
- 7. For the same maximum pressure and heat input, the exhaust temperature of petrol engine is __________ than that of diesel engine.
Options- A. less
- B. more Discuss
- 8. A supercharged engine as compared to an ordinary engine
Options- A. requires smaller foundation
- B. is lighter
- C. consumes less lubricating oil
- D. all of these Discuss
- 9. The ratio of the brake power to the indicated power is called
Options- A. mechanical efficiency
- B. overall efficiency
- C. indicated thermal efficiency
- D. volumetric efficiency Discuss
- 10. The frictional power (F.P.) is given by
Options- A. F.P. = B.P. - I.P.
- B. F.P. = I.P. - B.P.
- C. F.P. = B.P./I.P.
- D. F.P. = I.P./B.P. Discuss
IC Engines and Nuclear Power Plants problems
Search Results
Correct Answer: a mixture of petrol and air
Correct Answer: 14.6:1
Correct Answer: gross efficiency
Correct Answer: very high
Correct Answer: pressure and velocity both decreases
Correct Answer: False
Correct Answer: more
Correct Answer: all of these
Correct Answer: mechanical efficiency
Correct Answer: F.P. = I.P. - B.P.
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