Internal Combustion Engines Detonation is harmful due to 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 Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to eliminate knocking in compression ignition engines, there should be Low compression ratio Late auto-ignition High self ignition temperature of fuel Short delay period Low compression ratio Late auto-ignition High self ignition temperature of fuel Short delay period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The rating of a diesel engine, with increase in air inlet temperature, will Decrease parabolically Decrease linearly Increase parabolically Increase linearly Decrease parabolically Decrease linearly Increase parabolically Increase linearly ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel air ratio in a petrol engine fitted with suction carburettor, operating with dirty air filter as compared to clean filter will be Remain unaffected Higher Lower None of the listed here Remain unaffected Higher Lower None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Scavenging air in diesel engine means Burnt air containing products of combustion Air used for forcing burnt gases out of engine's cylinder during the exhaust period Forced air for cooling cylinder Air used for combustion sent under pressure Burnt air containing products of combustion Air used for forcing burnt gases out of engine's cylinder during the exhaust period Forced air for cooling cylinder Air used for combustion sent under pressure ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a standard Otto cycle for a compression ratio of 5.5 will be 1 0.7 0.25 0.5 1 0.7 0.25 0.5 ANSWER DOWNLOAD EXAMIANS APP
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