Discussion
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- Question
The petrol engines are also known as __________ engines.
Options- A. compression ignition
- B. spark ignition
- Correct Answer
- spark ignition
- 1. If the speed of the engine is increased, the indicated power will
Options- A. increase
- B. decrease
- C. remain same Discuss
- 2. The indicated power for multi-cylinder engine will be same as that of a single cylinder engine.
Options- A. True
- B. False Discuss
- 3. 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
- 4. 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
- 5. 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
- 6. 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
- 7. 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
- 8. 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
- 9. 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
- 10. The turbine of the turbo-prop engine is __________ that of the turbo-jet engine.
Options- A. same as
- B. smaller than
- C. bigger than Discuss
IC Engines and Nuclear Power Plants problems
Search Results
Correct Answer: increase
Correct Answer: False
Correct Answer: one-half
Correct Answer: cetane and alpha-methyl naphthalene
Correct Answer: all of the above
Correct Answer: 40% cetane and 60% alpha methyl napthalene
Correct Answer: Yes
Correct Answer: True
Correct Answer: below
Correct Answer: bigger than
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