Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve Opens at 30° before bottom dead centre and closes at 10° after top dead centre Opens at 30° after bottom dead centre and closes at 10° before top dead centre Opens at bottom dead centre and closes at top dead centre May open and close anywhere Opens at 30° before bottom dead centre and closes at 10° after top dead centre Opens at 30° after bottom dead centre and closes at 10° before top dead centre Opens at bottom dead centre and closes at top dead centre May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel air ratio in a petrol engine fitted with suction carburettor, operating with dirty air filter as compared to clean filter will be Higher Remain unaffected None of the listed here Lower Higher Remain unaffected None of the listed here Lower ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The inlet value of a four stroke cycle I.C engine remains open for nearly 235° 200° 180° 125° 235° 200° 180° 125° ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines All heat engines utilize Net calorific value of oil Calorific value of fuel Low heat value of oil High heat value of oil Net calorific value of oil Calorific value of fuel Low heat value of oil High heat value of oil ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the percentage increase in efficiency will be 0.08 0.02 0.04 0.14 0.08 0.02 0.04 0.14 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is false statement? Some of the methods used to reduce diesel smoke are as follows Using additives in the fuel Increasing the compression ratio Adherence to proper fuel specification Avoidance of overloading Using additives in the fuel Increasing the compression ratio Adherence to proper fuel specification Avoidance of overloading ANSWER DOWNLOAD EXAMIANS APP
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