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 It is properly designed Flywheel size is proper Best quality fuel is used Cannot work as it is impossible It is properly designed Flywheel size is proper Best quality fuel is used ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the brake power to the indicated power is called Indicated thermal efficiency Overall efficiency Mechanical efficiency Volumetric efficiency Indicated thermal efficiency Overall efficiency Mechanical efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the volume of charge admitted at N.T.P. to the swept volume of the piston is called Mechanical efficiency Overall efficiency Volumetric efficiency Relative efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Relative efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The operation of forcing additional air under pressure in the engine cylinder is known as Pre-ignition Supercharging Turbulence Scavenging Pre-ignition Supercharging Turbulence Scavenging ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines An hmh flame speed is obtained in diesel engine when air fuel ratio is Uniform throughout the mixture Chemically correct mixture About 35% of rich mixture About 10% of rich mixture Uniform throughout the mixture Chemically correct mixture About 35% of rich mixture About 10% of rich mixture ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuels in order of decreasing knock tendency for spark ignition engines are Napthene, paraffin, aromatic Paraffin, aromatic, napthene Paraffin, napthene, aromatic Napthene, aromatics, paraffin Napthene, paraffin, aromatic Paraffin, aromatic, napthene Paraffin, napthene, aromatic Napthene, aromatics, paraffin ANSWER DOWNLOAD EXAMIANS APP
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