Internal Combustion Engines The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called Overall efficiency Net efficiency Relative efficiency Efficiency ratio Overall efficiency Net efficiency Relative efficiency Efficiency ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a petrol engine, the mixture has the lowest pressure at the None of these End of suction stroke End of compression stroke Beginning of suction stroke None of these End of suction stroke End of compression stroke Beginning of suction stroke ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A spark plug gap is kept from 0.2 to 0.8 mm 0.4 to 0.9 mm 0.3 to 0.7 mm 0.6 to 1.0 mm 0.2 to 0.8 mm 0.4 to 0.9 mm 0.3 to 0.7 mm 0.6 to 1.0 mm ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Alpha-methyl-naphthalene (C11H10) has a cetane number of 100 0 120 50 100 0 120 50 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The actual volume of fresh charge admitted in 4-stroke petrol engine is More than stroke volume Equal to stroke volume and clearance volume Less than stroke volume Equal to stroke volume More than stroke volume Equal to stroke volume and clearance volume Less than stroke volume Equal to stroke volume ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center May open and close anywhere Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center May open and close anywhere Exhaust valve opens just after bottom dead center and closes just before top dead center ANSWER DOWNLOAD EXAMIANS APP