IC Engine Multiple Choice Questions and Answers
6. A spark plug gap is kept from.......
A.0.3 to 0.7 mm
B.0.2 to 0.8 mm
C.0.4 to 0.9 mm
D.0.6 to 1.0 mm
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A.0.3 to 0.7 mm
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7. Theoretically correct mixture of air and petrol is .......
A.10:1
B.15:1
C.20:1
D.25:1
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8. The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called........
A.Net efficiency
B.Efficiency ratio
C.Relative efficiency
C.Overall efficiency
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9. If the intake air temperature of I.C. engine increses,its efficicency will......
A.Increases
B.Decreases
C.Remain same
D.Unpredictable
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10. An engine indicator is used to detaermine.......
A.Speed
B.Temperature
C.Volume of cylinder
D.B.H.P
E.m.e.p. and I.H.P.
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