Internal Combustion Engines The knocking in spark ignition engines can be reduced by Increasing the engine speed Both (A) and (B) None of these Retarding the spark Increasing the engine speed Both (A) and (B) None of these Retarding the spark ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A petrol engine has compression ratio from 10 to 15 6 to 10 25 to 40 15 to 25 10 to 15 6 to 10 25 to 40 15 to 25 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In diesel engine, the compression ratio in comparison to expansion ratio is Same More Variable Less Same More Variable Less ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knock in diesel engine occurs due to Delayed burning of the first part of the charge Instantaneous auto ignition of last part of charge Reduction of delay period Instantaneous and rapid burning of the first part of the charge Delayed burning of the first part of the charge Instantaneous auto ignition of last part of charge Reduction of delay period Instantaneous and rapid burning of the first part of the charge ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The advancing of spark timing in spark ignition engines will ___ knocking tendency. None of the listed here Reduce Increase Not effect None of the listed here Reduce Increase Not effect ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine Opens at bottom dead center and closes at top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at 50° before bottom dead center and closes at 15° after top dead center May open and close anywhere Opens at bottom dead center and closes at top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at 50° before bottom dead center and closes at 15° after top dead center May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
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