Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = I.P/B.P ηm = B.P/I.P None of these ηm = (B.P × I.P)/100 ηm = I.P/B.P ηm = B.P/I.P None of these ηm = (B.P × I.P)/100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The operation of forcing additional air under pressure in the engine cylinder is known as Supercharging Pre-ignition Turbulence Scavenging Supercharging Pre-ignition Turbulence Scavenging ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The term scavenging is generally associated with Aeroplane engines 2-stroke cycle engines High efficiency engines 4-stroke cycle engines Aeroplane engines 2-stroke cycle engines High efficiency engines 4-stroke cycle engines ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio in I.C. engine increases, then its thermal efficiency will Remain same Decrease Increase None of these Remain same Decrease Increase None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines An hmh flame speed is obtained in diesel engine when air fuel ratio is About 35% of rich mixture Uniform throughout the mixture Chemically correct mixture About 10% of rich mixture About 35% of rich mixture Uniform throughout the mixture Chemically correct mixture About 10% of rich mixture ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The delay period in compression ignition engines depends upon 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 Nature of the fuel mixture strength Temperature and pressure in the cylinder at the time of injection All of these ANSWER DOWNLOAD EXAMIANS APP
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