Internal Combustion Engines The knock in diesel engine occurs due to Reduction of delay period Instantaneous auto ignition of last part of charge Instantaneous and rapid burning of the first part of the charge Delayed burning of the first part of the charge Reduction of delay period Instantaneous auto ignition of last part of charge Instantaneous and rapid burning of the first part of the charge Delayed burning of the first part of the charge ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, advancing of the spark timing will ___ the knocking tendency. Increase Decrease Not effect None of the listed here Increase Decrease Not effect None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Number of working strokes per min. for a four stroke cycle engine are _________ the speed of the engine in r.p.m. Equal to One-half Twice Four-times Equal to One-half Twice Four-times ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression in the case of diesel engine is of the order of 20 kg/cm 6 kg/cm 35 kg/cm 12 kg/cm 20 kg/cm 6 kg/cm 35 kg/cm 12 kg/cm ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio in I.C. engine increases, then its thermal efficiency will Increase Remain same Decrease None of these Increase Remain same Decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by Increasing the inlet pressure of air All of these Raising the compression ratio Reducing the delay period Increasing the inlet pressure of air All of these Raising the compression ratio Reducing the delay period ANSWER DOWNLOAD EXAMIANS APP
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