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The knocking tendency in C. I. engines increases with

A. Decrease of compression ratio

B. Increase of compression ratio

C. Increase in temperature of inlet air

D. Increase in cooling water temperature

Answer: Option A


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Related Questions on Miscellaneous in Automobile

Which of the following statement is correct with regard to the expansion valave?

A. The expansion valve converts high-temperature, high-pressure vapour refrigerant into low-temperature, low-pressure liquid

B. The expansion valve converts high-temperature, high-pressure liquid refrigerant into low-temperature, low-pressure mist

C. The expansion valve controls the amount and the temperature of the refrigerant flowing into the evaporator

D. The expansion valve prevents the evaporator from freezing