Internal Combustion Engines The operation of forcing additional air under pressure in the engine cylinder is known as Scavenging Pre-ignition Supercharging Turbulence Scavenging Pre-ignition Supercharging Turbulence ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air-fuel ratio in petrol engines is controlled by Injection Carburetion Controlling valve opening/closing Governing Injection Carburetion Controlling valve opening/closing Governing ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of 75% diesel and 25% petrol 75% iso-octane and 25% normal heptane 75% petrol and 25% diesel 75% normal heptane and 25% iso-octane 75% diesel and 25% petrol 75% iso-octane and 25% normal heptane 75% petrol and 25% diesel 75% normal heptane and 25% iso-octane 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 About 35% of rich mixture About 10% of rich mixture Chemically correct mixture Uniform throughout the mixture About 35% of rich mixture About 10% of rich mixture Chemically correct mixture ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mean effective pressure obtained from engine indicator indicates the Instantaneous pressure at any instant Average pressure Maximum pressure developed Minimum pressure Instantaneous pressure at any instant Average pressure Maximum pressure developed Minimum pressure 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 Volumetric efficiency Overall efficiency Relative efficiency Mechanical efficiency Volumetric efficiency Overall efficiency Relative efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
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