Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = (B.P × I.P)/100 ηm = B.P/I.P ηm = I.P/B.P None of these ηm = (B.P × I.P)/100 ηm = B.P/I.P ηm = I.P/B.P None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A carburettor is used to supply Petrol, air and lubricating oil Air and diesel Petrol and lubricating oil Petrol and air Petrol, air and lubricating oil Air and diesel Petrol and lubricating oil Petrol and air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a coil ignition system of petrol engines, a condenser is connected across the contact breaker in order to Prevent sparking across the gap between the points Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit None of these Both (A) and (B) Prevent sparking across the gap between the points Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking tendency in spark ignition engines may be decreased by Controlling the air-fuel mixture Controlling the ignition timing Controlling the exhaust temperature Reducing the compression ratio Controlling the air-fuel mixture Controlling the ignition timing Controlling the exhaust temperature Reducing the compression ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The actual volume of fresh charge admitted in 4-stroke petrol engine is Less than stroke volume Equal to stroke volume and clearance volume More than stroke volume Equal to stroke volume Less than stroke volume Equal to stroke volume and clearance volume More than stroke volume Equal to stroke volume ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a naturally aspirated diesel engine, the air is supplied by A centrifugal blower A vacuum chamber An injection tube A supercharger A centrifugal blower A vacuum chamber An injection tube A supercharger ANSWER DOWNLOAD EXAMIANS APP
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