Internal Combustion Engines The brake power of a diesel engine, keeping other parameters constant, can be increased by Decreasing the pressure of intake air Increasing the pressure of intake air Increasing the temperature of intake air Decreasing the density of intake air Decreasing the pressure of intake air Increasing the pressure of intake air Increasing the temperature of intake air Decreasing the density of intake air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines As a result of detonation in an I.C. engine, following parameter attains very high value Peak temperature Peak pressure Rate of rise of pressure Rate of rise of temperature Peak temperature Peak pressure Rate of rise of pressure Rate of rise of temperature 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 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 None of these Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following fuel has little tendency towards detonation? Normal heptane Alcohol Iso-octane Benzene Normal heptane Alcohol Iso-octane Benzene ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The process of breaking up or a liquid into fine droplets by spraying is called Carburetion Vaporisation Ionization Atomization Carburetion Vaporisation Ionization Atomization ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The volumetric efficiency of a well designed engine may be 60 to 70% 30 to 40% 40 to 60% 75 to 90% 60 to 70% 30 to 40% 40 to 60% 75 to 90% ANSWER DOWNLOAD EXAMIANS APP
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