Internal Combustion Engines Number of working strokes per min. for a four stroke cycle engine are _________ the speed of the engine in r.p.m. Equal to One-half Twice Four-times Equal to One-half Twice Four-times ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The volumetric efficiency of a well designed engine may be 30 to 40% 40 to 60% 60 to 70% 75 to 90% 30 to 40% 40 to 60% 60 to 70% 75 to 90% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane (Câ‚₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of 100 120 50 100 120 50 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines It the temperature of intake air in IC engines is lowered, then its efficiency will Remain same Increase up to certain limit and then decrease Increase Decrease Remain same Increase up to certain limit and then decrease Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Supercharging is the process of Supplying compressed air to remove combustion products fully Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere Providing forced cooling air Injecting excess fuel for raising more loads Supplying compressed air to remove combustion products fully Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere Providing forced cooling air Injecting excess fuel for raising more loads ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The theoretically correct air fuel ratio for petrol engine is of the order of 0.50069444444444 0.25069444444444 0.62569444444444 0.37569444444444 0.50069444444444 0.25069444444444 0.62569444444444 0.37569444444444 ANSWER DOWNLOAD EXAMIANS APP
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