Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at bottom dead center and closes at 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 50° before bottom dead center and closes at 15° after top dead center Opens at bottom dead center and closes at top dead center May open and close anywhere Opens at 50° after bottom dead center and closes at 15° before top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.3 0.5 0.7 0.15 0.3 0.5 0.7 0.15 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mean effective pressure obtained from engine indicator indicates the Minimum pressure Maximum pressure developed Average pressure Instantaneous pressure at any instant Minimum pressure Maximum pressure developed Average pressure Instantaneous pressure at any instant ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A heat engine utilizes the Mean heat value of oil High heat value of oil Calorific value of oil Low heat value of Mean heat value of oil High heat value of oil Calorific value of oil Low heat value of ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In the opposed piston diesel engine, the combustion chamber is located Between the pistons There is no such criterion Above the piston Below the piston Between the pistons There is no such criterion Above the piston Below the piston ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A spark plug gap is kept from 0.6 to 1.0 mm 0.2 to 0.8 mm 0.3 to 0.7 mm 0.4 to 0.9 mm 0.6 to 1.0 mm 0.2 to 0.8 mm 0.3 to 0.7 mm 0.4 to 0.9 mm ANSWER DOWNLOAD EXAMIANS APP