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

7. Theoretically correct mixture of air and petrol is .......

   A.10:1

   B.15:1

   C.20:1

   D.25:1

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

9. If the intake air temperature of I.C. engine increses,its efficicency will......

   A.Increases

   B.Decreases

   C.Remain same

   D.Unpredictable

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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