Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.7 0.15 0.5 0.3 0.7 0.15 0.5 0.3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The frictional power (F.P.) is given by F.P. = P./I.P. F.P. = I.P./ F.P. = P. - I.P. P. P. F.P. = I.P. - F.P. = P./I.P. F.P. = I.P./ F.P. = P. - I.P. P. P. F.P. = I.P. - ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The self ignition temperature of petrol is _________ as compared to diesel oil. Same Higher Lower None of these Same Higher Lower None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The octane number of petrol, generally available, is 40 to 60 80 to 100 20 to 40 60 to 80 40 to 60 80 to 100 20 to 40 60 to 80 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mean effective pressure obtained from engine indicator indicates the Minimum pressure Average pressure Maximum pressure developed Instantaneous pressure at any instant Minimum pressure Average pressure Maximum pressure developed Instantaneous pressure at any instant ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed, 4-stroke cycle diesel engine Fuel injection starts at 10° before top dead center and ends at 20° after top dead center Fuel injection starts at top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at just before top dead center and ends just after top dead center Fuel injection starts at 10° before top dead center and ends at 20° after top dead center Fuel injection starts at top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at just before top dead center and ends just after top dead center ANSWER DOWNLOAD EXAMIANS APP