Internal Combustion Engines In a four stroke cycle petrol engine, the expansion Starts at 30° after top dead center and ends at 50° after bottom dead center May start and end anywhere Starts at top dead center and ends at bottom dead center Starts at 30° before top dead center and ends at 50° before 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 top dead center and ends at bottom dead center Starts at 30° before top dead center and ends at 50° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center May open and close anywhere 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 Exhaust valve opens just after bottom dead center and closes just before top dead center May open and close anywhere Exhaust valve opens at bottom dead center and closes at top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure inside the cylinder is _________ the atmospheric pressure during the exhaust stroke. Below Above None of these Equal to Below Above None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of diesel engines is about 0.5 0.3 0.7 0.15 0.5 0.3 0.7 0.15 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The operation of forcing additional air under pressure in the engine cylinder is known as Scavenging Pre-ignition Supercharging Turbulence Scavenging Pre-ignition Supercharging Turbulence ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression in the case of diesel engine is of the order of 6 kg/cm 12 kg/cm 20 kg/cm 35 kg/cm 6 kg/cm 12 kg/cm 20 kg/cm 35 kg/cm ANSWER DOWNLOAD EXAMIANS APP
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