Highest useful compression ratio is the compression ratio at which

Heat Engines Mcqs
BILAL KHATTAK0

A.An engine can be safely operated
B.An engine gives maximum thermal efficiency
C.An engine operates smoothly
D.Detonation first becomes audible
E.None of the above

Related Mcqs:

  1. For same output and same compression ratio four stroke SI engines as compared to two stroke engines have
  2. Highest useful compression ratio is an indicator of
  3. Which of the following engine has the highest air-fuel ratio?
  4. Ratio of brake horsepower to indicated horsepower is:
  5. Which one of the following assumptions is not involved while deriving relation for air standard efficiency of Otto cycle?
  6. By supercharging
  7. In which case the air fuel ratio is expected to be the highest?
  8. Diesel engine has air fuel ratio of 30 ; 1 during idling. A petrol engine can also work on such mixture provided
  9. In a two stage gas turbine plant reheating after first stage_____________?
  10. Isochronism in a governor is desirable when_____________?

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