Internal Combustion Engines In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a Fuel injector Fuel pump Spark plug None of these Fuel injector Fuel pump Spark plug None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The output of a diesel engine can be increased without increasing the engine revolution or size in following way Supercharging Scavenging Heating incoming air Feeding more fuel Supercharging Scavenging Heating incoming air Feeding more fuel ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The higher combustion chamber wall temperature in compression ignition engines will _________ knocking tendency. Reduce Increase Not effect None of these Reduce Increase Not effect None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) None of these 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have Low density All of these Long ignition delay Low temperature Low density All of these Long ignition delay Low temperature ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Mechanical efficiency Volumetric efficiency Overall efficiency Indicated thermal efficiency Mechanical efficiency Volumetric efficiency Overall efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
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