Internal Combustion Engines The volumetric efficiency of a well designed engine may be 75 to 90% 40 to 60% 60 to 70% 30 to 40% 75 to 90% 40 to 60% 60 to 70% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A stoichiometric air-fuel ratio is Chemically correct mixture Lean mixture Rich mixture for idling Rich mixture for over loads Chemically correct mixture Lean mixture Rich mixture for idling Rich mixture for over loads ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of 75% petrol and 25% diesel 75% normal heptane and 25% iso-octane 75% diesel and 25% petrol 75% iso-octane and 25% normal heptane 75% petrol and 25% diesel 75% normal heptane and 25% iso-octane 75% diesel and 25% petrol 75% iso-octane and 25% normal heptane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines High speed compression engines operate on Otto cycle All of these Dual combustion cycle Diesel cycle Otto cycle All of these Dual combustion cycle Diesel cycle ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is Less More More or less depending on power rating Same Less More More or less depending on power rating Same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which one of the following event would reduce volumetric efficiency of a vertical compression ignition engine? Inlet valve closing after bottom dead center Inlet valve closing before bottom dead center Exhaust valve closing after top dead center Inlet valve opening before top dead center Inlet valve closing after bottom dead center Inlet valve closing before bottom dead center Exhaust valve closing after top dead center Inlet valve opening before top dead center ANSWER DOWNLOAD EXAMIANS APP
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