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
Internal Combustion Engines A higher compression ratio causes Pre-ignition Acceleration in the rate of combustion Any one of these Increase in detonation Pre-ignition Acceleration in the rate of combustion Any one of these Increase in detonation ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following statement is correct regarding petrol engines? All of these The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure All of these The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, advancing of the spark timing will ___ the knocking tendency. Not effect Decrease Increase None of the listed here Not effect Decrease Increase None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a standard Otto cycle for a compression ratio of 5.5 will be 0.7 1 0.5 0.25 0.7 1 0.5 0.25 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the intake air temperature of I.C. engine increases, its efficiency will Decrease Increase None of these Remain same Decrease Increase None of these Remain same ANSWER DOWNLOAD EXAMIANS APP
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