Discussion
Home ‣ Mechanical Engineering ‣ IC Engines and Nuclear Power Plants Comments
- Question
In qualitative governing, the quantity of fuel is varied to suit the load on the engine and the total charge of air is altered.
Options- A. Correct
- B. Incorrect
- Correct Answer
- Incorrect
- 1. In a four stroke cycle diesel engine, the exhaust valve
Options- A. opens at 30° before bottom dead cnetre and closes at 10° after top dead centre
- B. opens at 30° after bottom dead centre and closes at 10° before top dead centre
- C. opens at bottom dead centre and closes at top dead centre
- D. may open and close anywhere Discuss
- 2. The maximum propulsive efficiency of a turbo-jet engine is at a speed of
Options- A. 1000 km/h
- B. 2000 km/h
- C. 2400 km/h
- D. 3000 km/h Discuss
- 3. Uranium has isotopes
Options- A. U234
- B. U235
- C. U238
- D. all of these Discuss
- 4. The advancing of spark timing in spark ignition engines will __________ knocking tendency.
Options- A. increase
- B. reduce
- C. not effect Discuss
- 5. The colour of exhaust from diesel engine is generally
Options- A. white
- B. bluish
- C. black
- D. violent Discuss
- 6. An atom bomb utilises uncontrolled nuclear fission.
Options- A. True
- B. False Discuss
- 7. A two stroke cycle engine gives __________ mechanical efficiency than a four stroke cycle engine.
Options- A. higher
- B. lower Discuss
- 8. Light weight substances can not be effective moderators.
Options- A. True
- B. False Discuss
- 9. Morse test is used to determine the I.P. of a
Options- A. single cylinder petrol engine
- B. four stroke engine
- C. single cylinder diesel engine
- D. multi-cylinder engine Discuss
- 10. The unit million electron volts (Mev) is commonly used to measure the nuclear energy.
Options- A. True
- B. False Discuss
IC Engines and Nuclear Power Plants problems
Search Results
Correct Answer: opens at 30° before bottom dead cnetre and closes at 10° after top dead centre
Correct Answer: 2400 km/h
Correct Answer: all of these
Correct Answer: increase
Correct Answer: black
Correct Answer: True
Correct Answer: higher
Correct Answer: False
Correct Answer: multi-cylinder engine
Correct Answer: True
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