IC Engines - Interview Questions | Exam2Win

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11. In case of gas turbines, the gaseous fuel consumption guarantees are based on

A. high heat value

B. low heat value

C. net calorific value

D. middle heat value

E. calorific value.

Explanation:

12. The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called

A. net efficiency

B. efficiency ratio

C. relative efficiency

D. overall efficiency

E. cycle efficiency.

Explanation:

13. The pressure and temperature at the end of compression stroke in a petrol engine are of the order of

A. 4 - 6 kg/cm2 and 200 - 250�C

B. 6 - 12 kg/cm2 and 250 - 350�C

C. 12 - 20 kg/cm2 and 350 - 450�C

D. 20 - 30 kg/cm2 and 450 - 500�C

E. 30 - 40 kg/cm2 and 500 - 700�C.

Explanation:

14. An engine indicator is used to determine the following

A. speed

B. temperature

C. volume of cylinder

D. m.e.p. and I.H.P.

E. BHP.

Explanation:

15. If the intake air temperature of I.C. engine increases, its efficiency will

A. increase

B. decrease

C. remain same

D. unpredictable

E. depend on other factors.

Explanation: