Internal Combustion Engines The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is Same More Less More or less depending on power rating Same More Less More or less depending on power rating ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, advancing of the spark timing will ___ the knocking tendency. Decrease Increase None of the listed here Not effect Decrease Increase None of the listed here Not effect ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuels in order of decreasing knock tendency for spark ignition engines are Napthene, aromatics, paraffin Napthene, paraffin, aromatic Paraffin, aromatic, napthene Paraffin, napthene, aromatic Napthene, aromatics, paraffin Napthene, paraffin, aromatic Paraffin, aromatic, napthene Paraffin, napthene, aromatic 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 None of the listed here Higher Remain unaffected Lower None of the listed here Higher Remain unaffected Lower ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The reason for supercharging in any engine is to Increase efficiency Effect fuel economy Reduce weight and bulk for a given output Increase power Increase efficiency Effect fuel economy Reduce weight and bulk for a given output Increase power 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) 1 - rγ - 1 1 - (1/rγ - 1) 1 + rγ - 1 None of these 1 - rγ - 1 1 - (1/rγ - 1) 1 + rγ - 1 None of these ANSWER DOWNLOAD EXAMIANS APP
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