Internal Combustion Engines The knocking tendency in compression ignition engines for a given fuel will be Enhanced by decreasing compression ratio Dependent on other factors None of these Enhanced by increasing compression ratio Enhanced by decreasing compression ratio Dependent on other factors None of these Enhanced by increasing compression ratio 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 Relative efficiency Overall efficiency Volumetric efficiency Mechanical efficiency Relative efficiency Overall efficiency Volumetric efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines An hmh flame speed is obtained in diesel engine when air fuel ratio is About 10% of rich mixture Chemically correct mixture About 35% of rich mixture Uniform throughout the mixture About 10% of rich mixture Chemically correct mixture About 35% of rich mixture Uniform throughout the mixture ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air-fuel ratio in petrol engines is controlled by Controlling valve opening/closing Governing Carburetion Injection Controlling valve opening/closing Governing Carburetion Injection ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines As a result of detonation in an I.C. engine, following parameter attains very high value Rate of rise of temperature Peak temperature Peak pressure Rate of rise of pressure Rate of rise of temperature Peak temperature Peak pressure Rate of rise of pressure ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by Increasing the inlet pressure of air Raising the compression ratio All of these Reducing the delay period Increasing the inlet pressure of air Raising the compression ratio All of these Reducing the delay period ANSWER DOWNLOAD EXAMIANS APP
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