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Air fuel ratio at which a petrol engine cannot work is

A. 8 : 1

B. 10 : 1

C. 15 : 1

D. 20 : 1 and less

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  2. Pick up the wrong statement about supercharging
  3. Diesel as compared to petrol is
  4. The knocking tendency in spark ignition engines may be decreased by
  5. Supercharging is the process of
  6. An engine indicator is used to determine the following
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  16. Flash point of fuel oil is
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  18. In a petrol engine, if diesel is used, then the engine will
  19. A diesel engine as compared to petrol engine (both running and rated load) is
  20. The frictional power (F.P.) is given by
  21. The ignition quality of diesel oil is expressed by
  22. The firing order in an I.C. engine depends upon
  23. When crude oil is heated, then which of the following hydrocarbon is given off first?
  24. The brake power (B.P.) of the engine is given by (where W = Brake load or dead load in newtons, l =…
  25. The thermodynamic cycle on which the petrol engine works, is
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  27. High speed compression engines operate on
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  30. The object of supercharging the engine is