Internal Combustion Engines The temperature of interior surface of cylinder wall in normal operation is not allowed to exceed 80°C 120°C 240°C 180°C 80°C 120°C 240°C 180°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Excess quantities of sulphur in diesel fuel are Objectionable because it may cause the following ANSWER DOWNLOAD EXAMIANS APP
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 The brake power of a diesel engine, keeping other parameters constant, can be increased by 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 Decreasing the pressure of intake air Increasing the pressure of intake air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The reason for supercharging in any engine is to Increase efficiency Effect fuel economy Increase power Reduce weight and bulk for a given output Increase efficiency Effect fuel economy Increase power Reduce weight and bulk for a given output ANSWER DOWNLOAD EXAMIANS APP
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 50° after bottom dead center and closes at 15° before top dead center May open and close anywhere 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 Opens at 50° after bottom dead center and closes at 15° before top dead center May open and close anywhere Opens at bottom dead center and closes at top dead center ANSWER DOWNLOAD EXAMIANS APP
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