Internal Combustion Engines Pick up the wrong statement about supercharging Supercharging results in fuel economy Supercharging reduces knocking in diesel engines Supercharging at high altitudes is essential There can be limited supercharging in petrol engines because of detonation Supercharging results in fuel economy Supercharging reduces knocking in diesel engines Supercharging at high altitudes is essential There can be limited supercharging in petrol engines because of detonation ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following fuel has little tendency towards detonation? Iso-octane Benzene Alcohol Normal heptane Iso-octane Benzene Alcohol Normal heptane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Compression ratio of I.C. Engines is Swept volume/cylinder volume Volume displaced by piston per stroke and clearance volume in cylinder Ratio of pressure after compression and before compression The ratio of volumes of air in cylinder before compression stroke and after compression stroke Swept volume/cylinder volume Volume displaced by piston per stroke and clearance volume in cylinder Ratio of pressure after compression and before compression The ratio of volumes of air in cylinder before compression stroke and after compression stroke ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the inlet valve Opens at 20° before top dead center and closes at 40° after bottom dead center May open or close anywhere Opens at top dead center and closes at bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center May open or close anywhere Opens at top dead center and closes at bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The spark ignition engines are governed by Qualitative governing Quantitative governing Hit and miss governing Combination of (B) and (C) Qualitative governing Quantitative governing Hit and miss governing Combination of (B) and (C) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking tendency in spark ignition engines may be decreased by Reducing the compression ratio Controlling the ignition timing Controlling the air-fuel mixture Controlling the exhaust temperature Reducing the compression ratio Controlling the ignition timing Controlling the air-fuel mixture Controlling the exhaust temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS