Discussion
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- Question
If the speed of the engine is increased, the indicated power will
Options- A. increase
- B. decrease
- C. remain same
- Correct Answer
- increase
- 1. The indicated power for multi-cylinder engine will be same as that of a single cylinder engine.
Options- A. True
- B. False Discuss
- 2. Number of working strokes per min. for a four stroke cycle engine are __________ the speed of the engine in r.p.m.
Options- A. equal to
- B. one-half
- C. twice
- D. four-times Discuss
- 3. The two reference fuels used for cetane rating are
Options- A. cetane and iso-octane
- B. cetane and alpha-methyl naphthalene
- C. cetane and normal heptane
- D. cetane and tetra ethyl lead Discuss
- 4. Which of the following statement is correct?
Options- A. Compression ratio for petrol engines varies from 6 to 10.
- B. Higher compression ratio in diesel engines results in higher pressures.
- C. Petrol engines work on Otto cycle.
- D. all of the above Discuss
- 5. The size of a reactor at which the chain reaction can be initiated (i.e. when system becomes critical) with just enough fissionable material (called critical mass of fuel) is known as critical size of reactor.
Options- A. Correct
- B. Incorrect Discuss
- 6. The petrol engines are also known as __________ engines.
Options- A. compression ignition
- B. spark ignition Discuss
- 7. A fuel of cetane number 40 has the same ignition quality as a mixture of
Options- A. 40% cetane and 60% alpha methyl napthalene
- B. 40% alpha methyl napthalene and 60% cetane
- C. 40% petrol and 60% diesel
- D. 40% diesel and 60% petrol Discuss
- 8. The sparking in a petrol engine increases pressure and temperature of the products of combustion, but the volume remains constant.
Options- A. Yes
- B. No Discuss
- 9. The engines in which the combustion of fuel takes place inside the engine cylinder are called internal combustion engines.
Options- A. True
- B. False Discuss
- 10. In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke is __________ the atmospheric pressure.
Options- A. equal to
- B. below
- C. above Discuss
IC Engines and Nuclear Power Plants problems
Search Results
Correct Answer: False
Correct Answer: one-half
Correct Answer: cetane and alpha-methyl naphthalene
Correct Answer: all of the above
Correct Answer: Correct
Correct Answer: spark ignition
Correct Answer: 40% cetane and 60% alpha methyl napthalene
Correct Answer: Yes
Correct Answer: True
Correct Answer: below
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