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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  1. Compression ratio of I.C. Engines is
  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
  7. The brake power is the power available
  8. The magneto in an automobile is basically
  9. A supercharged engine as compared to an ordinary engine
  10. If the temperature of intake air in internal combustion engine increases, then its efficiency will
  11. Detonation is harmful due to
  12. In a four stroke cycle diesel engine, the inlet valve
  13. The air-fuel ratio of the petrol engine is controlled by
  14. The mechanical efficiency (ηm) of the engine is given by
  15. The air-fuel ratio in petrol engines is controlled by
  16. Flash point of fuel oil is
  17. Thermal efficiency of a two stroke cycle engine is ________ a four stroke cycle engine.
  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
  26. The object of providing masked inlet valve in the air passage of compression ignition engines is to
  27. High speed compression engines operate on
  28. The mean effective pressure obtained from engine indicator indicates the
  29. The thermal efficiency of a petrol engine is _________ as compared to diesel engine.
  30. The object of supercharging the engine is