Discussion
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- Question
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
- Correct Answer
- below
- 1. 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
- 2. 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
- 3. 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
- 4. The petrol engines are also known as __________ engines.
Options- A. compression ignition
- B. spark ignition Discuss
- 5. If the speed of the engine is increased, the indicated power will
Options- A. increase
- B. decrease
- C. remain same Discuss
- 6. 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
- 7. The injection of fuel by external source is not required in case of engines working on Otto cycle.
Options- A. Yes
- B. No Discuss
- 8. In a petrol engine, if diesel is used, then the engine will
Options- A. not run
- B. run more efficiently
- C. run at high speed
- D. explode Discuss
- 9. A two stroke cycle engine occupies larger floor area than a four stroke cycle engine.
Options- A. Yes
- B. No Discuss
- 10. A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is
Options- A. 248 cm3
- B. 252 cm3
- C. 264 cm3
- D. 286 cm3 Discuss
IC Engines and Nuclear Power Plants problems
Search Results
Correct Answer: True
Correct Answer: Yes
Correct Answer: 40% cetane and 60% alpha methyl napthalene
Correct Answer: spark ignition
Correct Answer: increase
Correct Answer: bigger than
Correct Answer: Yes
Correct Answer: not run
Correct Answer: No
Correct Answer: 264 cm3
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