Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.15 0.7 0.3 0.5 0.15 0.7 0.3 0.5 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Air fuel ratio for idling speed of a petrol engine is approximately 0.41736111111111 0.042361111111111 0.62569444444444 0.20902777777778 0.41736111111111 0.042361111111111 0.62569444444444 0.20902777777778 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided Cannot work as it is impossible Best quality fuel is used Flywheel size is proper It is properly designed Cannot work as it is impossible Best quality fuel is used Flywheel size is proper It is properly designed ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The frictional power (F.P.) is given by F.P. = F.P. = I.P./ F.P. = I.P. - P. - I.P. P./I.P. P. F.P. = P. F.P. = F.P. = I.P./ F.P. = I.P. - P. - I.P. P./I.P. P. F.P. = P. ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel valve in a four stroke cycle diesel engine Opens at top dead center and closes at bottom dead center Opens at 15° before top dead center and closes at 20° after top dead center May open and close anywhere Opens at 15° after top dead center and closes at 20° before bottom dead center Opens at top dead center and closes at bottom dead center Opens at 15° before top dead center and closes at 20° after top dead center May open and close anywhere Opens at 15° after top dead center and closes at 20° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The brake power of a diesel engine, keeping other parameters constant, can be increased by Decreasing the pressure of intake air Increasing the pressure of intake air Increasing the temperature of intake air Decreasing the density of intake air Decreasing the pressure of intake air Increasing the pressure of intake air Increasing the temperature of intake air Decreasing the density of intake air ANSWER DOWNLOAD EXAMIANS APP
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