Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.5 0.7 0.15 0.3 0.5 0.7 0.15 0.3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The _________ engines can work on very lean mixture of fuel. Compression ignition Both (A) and (B) Spark ignition None of these Compression ignition Both (A) and (B) Spark ignition None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines It the temperature of intake air in IC engines is lowered, then its efficiency will Decrease Increase up to certain limit and then decrease Remain same Increase Decrease Increase up to certain limit and then decrease Remain same Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition of the charge by some hot surface within the engine before the passage of spark is called Ignition delay Pre-ignition Auto-ignition Detonation Ignition delay Pre-ignition Auto-ignition Detonation ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A petrol engine, during suction stroke draws Petrol only Air only A mixture of petrol and air None of these Petrol only Air only A mixture of petrol and air None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The operation of forcing additional air under pressure into the engine cylinder is known as Delay period Supercharging Turbulence Carburetion Delay period Supercharging Turbulence Carburetion ANSWER DOWNLOAD EXAMIANS APP