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 Cannot work as it is impossible Flywheel size is proper Best quality fuel is used It is properly designed Cannot work as it is impossible Flywheel size is proper Best quality fuel is used ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the brake power to the indicated power is called Mechanical efficiency Indicated thermal efficiency Volumetric efficiency Overall efficiency Mechanical efficiency Indicated thermal efficiency Volumetric efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines It the temperature of intake air in IC engines is lowered, then its efficiency will Increase Increase up to certain limit and then decrease Decrease Remain same Increase Increase up to certain limit and then decrease Decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A stoichiometric air-fuel ratio is Rich mixture for over loads Lean mixture Rich mixture for idling Chemically correct mixture Rich mixture for over loads Lean mixture Rich mixture for idling Chemically correct mixture ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The sensing element in the control system of nuclear reactors measures the _________ of the neutron flux in the reactor. Density None of these Temperature Volume Density None of these Temperature Volume ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure and temperature at the end of compression stroke in a petrol engine are of the order of 4-6 kg/cm² and 200-250°C 12-20 kg/cm² and 350-450°C 6-12 kg/cm² and 250-350°C 20-30 kg/cm² and 450-500°C 4-6 kg/cm² and 200-250°C 12-20 kg/cm² and 350-450°C 6-12 kg/cm² and 250-350°C 20-30 kg/cm² and 450-500°C ANSWER DOWNLOAD EXAMIANS APP
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