Internal Combustion Engines In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a Fuel pump Spark plug Fuel injector None of these Fuel pump Spark plug Fuel injector None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the brake power to the indicated power is called Overall efficiency Indicated thermal efficiency Volumetric efficiency Mechanical efficiency Overall efficiency Indicated thermal efficiency Volumetric efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Engine pistons are usually made of aluminium alloy because it Absorbs shocks Is stronger Wear is less Is lighter Absorbs shocks Is stronger Wear is less Is lighter ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The object of supercharging the engine is To reduce mass of the engine per brake power To increase the power output of an engine when greater power is required All of these To reduce space occupied by the engine To reduce mass of the engine per brake power To increase the power output of an engine when greater power is required All of these To reduce space occupied by the engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the ratios of all the corresponding linear dimensions are equal, then the model and the prototype are said to have Kinematic similarity Geometric similarity None of these Dynamic similarity Kinematic similarity Geometric similarity None of these Dynamic similarity 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 0.02 0.08 0.14 0.04 0.02 0.08 0.14 ANSWER DOWNLOAD EXAMIANS APP