8. The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is
A.Same
B.Less
C.More
D.More or less depending on power rating

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9. The calorific value of gaseous fuels is expressed in terms of
A.Kcal
B.Kcal/kg
C.Kcal/m2
D.Kcal/m3

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10. If the intake air temperature of I.C. engine increases, its efficiency will
A.Increase
B.Decrease
C.Remain same
D.Unpredictable

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11. All heat engines utilise
A.Low heat value of oil
B.High heat value of oil
C.Net calorific value of oil
D.Calorific value of fuel

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12. 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.

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13. Fuel oil consumption guarantees for I.C. engine are usually based on
A.Low heat value of oil
B.High heat value of oil
C.Net calorific value of oil
D.Calorific value of fuel

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14. If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the %age increase in efficiency will be
A.2%
B.4%
C.8%
D.14%

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