Internal Combustion Engines Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided It is properly designed Best quality fuel is used Cannot work as it is impossible Flywheel size is proper It is properly designed Best quality fuel is used Cannot work as it is impossible Flywheel size is proper ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the indicated thermal efficiency to the air standard efficiency is known as Relative efficiency Volumetric efficiency Overall efficiency Mechanical efficiency Relative efficiency Volumetric efficiency Overall efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the expansion Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at top dead center and ends at bottom dead center Starts at 30° after top dead center and ends at 50° after bottom dead center May start and end anywhere Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at top dead center and ends at bottom dead center Starts at 30° after top dead center and ends at 50° after bottom dead center May start and end anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In loop scavenging, the top of the piston is Contoured Flat Depressed Slanted Contoured Flat Depressed Slanted ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to mix air and petrol in the required proportion and to supply it to the engine during suction stroke, then ___ is employed. None of the listed here Carburettor Fuel pump Injector None of the listed here Carburettor Fuel pump Injector ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, advancing of the spark timing will ___ the knocking tendency. Not effect None of the listed here Increase Decrease Not effect None of the listed here Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
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