Internal Combustion Engines The pressure inside the cylinder is _________ the atmospheric pressure during the exhaust stroke. None of these Equal to Above Below None of these Equal to Above Below ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have Long ignition delay All of these Low density Low temperature Long ignition delay All of these Low density Low temperature ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 - (1/rγ - 1) None of these 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these 1 + rγ - 1 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A stoichiometric air-fuel ratio is Rich mixture for over loads Rich mixture for idling Lean mixture Chemically correct mixture Rich mixture for over loads Rich mixture for idling Lean mixture Chemically correct mixture ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The higher combustion chamber wall temperature in compression ignition engines will _________ knocking tendency. Not effect None of these Increase Reduce Not effect None of these Increase Reduce ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the compression Starts at bottom dead centre and ends at top dead centre Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre Starts at 40° after bottom dead centre and ends at 30° before top dead centre May start and end anywhere Starts at bottom dead centre and ends at top dead centre Starts at 40° before bottom dead centre and ends at 30° after bottom 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
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