Internal Combustion Engines The ratio of the indicated thermal efficiency to the air standard efficiency is known as Overall efficiency Volumetric efficiency Mechanical efficiency Relative efficiency Overall efficiency Volumetric efficiency Mechanical efficiency Relative efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by All of these Increasing the inlet pressure of air Raising the compression ratio Reducing the delay period All of these Increasing the inlet pressure of air Raising the compression ratio Reducing the delay period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Alpha-methyl-naphthalene (C₁₁ H₁₀) has a cetane number of 100 120 0 50 100 120 0 50 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The process of breaking up or a liquid into fine droplets by spraying is called Atomization Ionization Vaporisation Carburetion Atomization Ionization Vaporisation Carburetion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines By higher octane number of spark ignition fuel, it is meant that the fuel has Lower volatility Higher heating value Longer ignition delay Higher flash point Lower volatility Higher heating value Longer ignition delay Higher flash point ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Detonation is harmful due to Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine None of these Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls High intensity of knock causes crankshaft vibration and the engine runs rough Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine None of these Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls High intensity of knock causes crankshaft vibration and the engine runs rough ANSWER DOWNLOAD EXAMIANS APP
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