Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = B.P/I.P None of these ηm = (B.P × I.P)/100 ηm = I.P/B.P ηm = B.P/I.P None of these ηm = (B.P × I.P)/100 ηm = I.P/B.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following does not relate to a spark ignition engine? Spark plug Fuel injector Carburettor Ignition coil Spark plug Fuel injector Carburettor Ignition coil ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the indicated thermal efficiency to the air standard efficiency is known as Mechanical efficiency Overall efficiency Volumetric efficiency Relative efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Relative efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The _________ engines can work on very lean mixture of fuel. Compression ignition Both (A) and (B) Spark ignition None of these Compression ignition Both (A) and (B) Spark ignition None of these 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 None of these Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Both (A) and (B) Prevent sparking across the gap between the points None of these Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine as compared to petrol engine (both running and rated load) is Equally efficient Less efficient Other factors will decide it More efficient Equally efficient Less efficient Other factors will decide it More efficient ANSWER DOWNLOAD EXAMIANS APP