IC Engines - Interview Questions | Exam2Win

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41. The inlet value of a four stroke cycle I.C engine remains open for nearly

A. 180�

B. 125�

C. 235�

D. 200�

E. 275�.

Explanation:

42. The precess of breaking up or a liquid into fine droplets by spraying is called

A. vaporisation

B. carburetion

C. ionisation

D. injection

E. atomisation.

Explanation:

43. Which of the following statements is cor�rect?

A. All the irreversible engines have same efficiency

B. All the reversible engines have same efficiency

C. Both Rankine and Caront cycles have same efficiency between same tempera�ture limits

D. All reversible engines working between same temperature limits have same-ef-ficiency

E. Between same temperature limits, both petrol and diesel engines have same ef-ficiency.

Explanation:

44. Pick up the wrong statement about supercharging

A. supercharging reduces knocking in diesel engines

B. there can be limited supercharging in petrol engines because of detonation

C. supercharging at high altitudes is essential

D. supercharging results in fuel economy

E. supercharging is essential in aircraft engines.

Explanation:

45. The specific fuel consumption per BHP hour for diesel engine is approximately

A. 0.15 kg

B. 0.2 kg

C. 0.25 kg

D. 0.3 kg

E. 0.35 kg.

Explanation: