IC Engines - Interview Questions | Exam2Win

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21. Which of the following is not an interna combustion engine

A. 2-stroke petrol engine

B. 4-stroke petrol engine

C. diesel engine

D. gas turbine

E. steams turbine.

Explanation:

22. The accunmulation of carbon in a cylinder results in increase of

A. clearance volume

B. volumetric efficiency

C. ignition time

D. effective compression ratio

E. valve travel time.

Explanation:

23. Compression ratio of LC. engines is

A. the ratio of volumes of air in cylinder before compression stroke and after compression stroke

B. volume displaced by piston per stroke and clearance volume in cylinder

C. ratio of pressure after compression and before compression

D. swept volume/cylinder volume

E. cylinder volume/swept volume.

Explanation:

24. The specific fuel consumption per BH hour for a petrol engine is approximately

A. 0.15 kg

B. 0.2 kg

C. 0.25 kg

D. 0.3kg

E. 0.35 kg.

Explanation:

25. In diesel engine the diesel fuel injected intc cylinder would burn instantly at about compressed air temperature of

A. 250�C

B. 500�C

C. 1000�C

D. 150CPC

E. 2000�C.

Explanation: