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The spark ignition engines are governed by

A. Hit and miss governing

B. Qualitative governing

C. Quantitative governing

D. Combination of (B) and (C)

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  1. Morse test can be conducted for
  2. Which of the following does not relate to a spark ignition engine?
  3. The two reference fuels used for cetane rating are
  4. The air-fuel ratio of the petrol engine is controlled by
  5. Supercharging is the process of supplying the intake air to the engine cylinder at a density _________…
  6. In a four stroke cycle petrol engine, the expansion
  7. Alpha-methyl-naphthalene (C₁₁ H₁₀) has a cetane number of
  8. Compression loss in I.C engines occurs due to
  9. The inlet valve of a four stroke cycle internal combustion engine remains open for
  10. In a four stroke cycle diesel engine, the exhaust valve
  11. The minimum cranking speed in case of petrol engine is about
  12. The increase of cooling water temperature in petrol engine will __________ the knocking tendency.
  13. A diesel engine has compression ratio from
  14. The frictional power (F.P.) is given by
  15. In an internal combustion engine, the process of removing the burnt gases from the combustion chamber…
  16. The mechanical efficiency (ηm) of the engine is given by
  17. The ignition of the charge by some hot surface within the engine before the passage of spark is called
  18. The fuel valve in a four stroke cycle diesel engine
  19. When crude oil is heated, then which of the following hydrocarbon is given off first?
  20. The advancing of spark timing in spark ignition engines will _________ knocking tendency.
  21. In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke…
  22. If the compression ratio in I.C. engine increases, then its thermal efficiency will
  23. Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work…
  24. The specific fuel consumption of a petrol engine compared to diesel engine of same H.P. is
  25. A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency…
  26. The effective inhibitor of pre-ignition is
  27. If V₁ is the jet velocity and V₀ is the vehicle velocity, then the propulsive efficiency…
  28. The fuel air ratio in a petrol engine fitted with suction carburettor, operating with dirty air filter…
  29. Which of the following is false statement? Excess quantities of sulphur in diesel fuel are Objectionable…
  30. The rating of a diesel engine, with increase in air inlet temperature, will