Internal Combustion Engines The ignition of the charge by some hot surface within the engine before the passage of spark is called Detonation Pre-ignition Ignition delay Auto-ignition Detonation Pre-ignition Ignition delay Auto-ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking tendency in compression ignition engines for a given fuel will be None of these Enhanced by increasing compression ratio Enhanced by decreasing compression ratio Dependent on other factors None of these Enhanced by increasing compression ratio Enhanced by decreasing compression ratio Dependent on other factors ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center May open and close anywhere Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a petrol engine is _________ as compared to diesel engine. None of these Less More Same None of these Less More Same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The operation of forcing additional air under pressure into the engine cylinder is known as Supercharging Carburetion Turbulence Delay period Supercharging Carburetion Turbulence Delay period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio in I.C. engine increases, then its thermal efficiency will Remain same None of these Increase Decrease Remain same None of these Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
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