Internal Combustion Engines The air-fuel ratio in petrol engines is controlled by Controlling valve opening/closing Injection Carburetion Governing Controlling valve opening/closing Injection Carburetion Governing ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines Exhaust valve opens at bottom dead center and closes at 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 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens at bottom dead center and closes at 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 35° before bottom dead center and closes at 20° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the compression Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre Starts at bottom dead centre and ends at top dead centre Starts at 40° after bottom dead centre and ends at 30° before top dead centre May start and end anywhere Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre Starts at bottom dead centre and ends at top dead centre Starts at 40° after bottom dead centre and ends at 30° before top dead centre May start and end anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a standard Otto cycle for a compression ratio of 5.5 will be 0.7 0.25 1 0.5 0.7 0.25 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuels in order of decreasing knock tendency for spark ignition engines are Napthene, aromatics, paraffin Paraffin, napthene, aromatic Paraffin, aromatic, napthene Napthene, paraffin, aromatic Napthene, aromatics, paraffin Paraffin, napthene, aromatic Paraffin, aromatic, napthene Napthene, paraffin, aromatic ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In the opposed piston diesel engine, the combustion chamber is located Between the pistons Below the piston There is no such criterion Above the piston Between the pistons Below the piston There is no such criterion Above the piston ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS