Internal Combustion Engines The object of supercharging the engine is To reduce space occupied by the engine To reduce mass of the engine per brake power All of these To increase the power output of an engine when greater power is required To reduce space occupied by the engine To reduce mass of the engine per brake power All of these To increase the power output of an engine when greater power is required ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The delay period in compression ignition engines depends upon Nature of the fuel mixture strength Temperature and pressure in the cylinder at the time of injection All of these Relative velocity between the fuel injection and air turbulence pressure of residual gases Nature of the fuel mixture strength Temperature and pressure in the cylinder at the time of injection All of these Relative velocity between the fuel injection and air turbulence pressure of residual gases ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the percentage increase in efficiency will be 0.04 0.14 0.02 0.08 0.04 0.14 0.02 0.08 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Air fuel ratio at which a petrol engine cannot work is 0.33402777777778 0.62569444444444 0.41736111111111 20 : 1 and less 0.33402777777778 0.62569444444444 0.41736111111111 20 : 1 and less ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following does not relate to a spark ignition engine? Carburettor Spark plug Fuel injector Ignition coil Carburettor Spark plug Fuel injector Ignition coil ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The brake power of a diesel engine, keeping other parameters constant, can be increased by Increasing the pressure of intake air Increasing the temperature of intake air Decreasing the pressure of intake air Decreasing the density of intake air Increasing the pressure of intake air Increasing the temperature of intake air Decreasing the pressure of intake air Decreasing the density of intake air ANSWER DOWNLOAD EXAMIANS APP