Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at bottom dead center and closes at 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 50° after bottom dead center and closes at 15° before top dead center Opens at bottom dead center and closes at 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
Internal Combustion Engines An hmh flame speed is obtained in diesel engine when air fuel ratio is About 10% of rich mixture Chemically correct mixture About 35% of rich mixture Uniform throughout the mixture About 10% of rich mixture Chemically correct mixture About 35% of rich mixture Uniform throughout the mixture ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is Less More Same More or less depending on power rating Less More Same More or less depending on power rating ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Gaseous fuel guarantees are based on Mean heat value of oil Calorific value of oil Low heat value of oil High heat value of oil Mean heat value of oil Calorific value of oil Low heat value of oil High heat value of oil ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following does not relate to a compression ignition engine? Carburettor Fuel injector Governor Fuel pump Carburettor Fuel injector Governor Fuel pump ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knock in diesel engine occurs due to Instantaneous and rapid burning of the first part of the charge Reduction of delay period Delayed burning of the first part of the charge Instantaneous auto ignition of last part of charge Instantaneous and rapid burning of the first part of the charge Reduction of delay period Delayed burning of the first part of the charge Instantaneous auto ignition of last part of charge ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS