Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = B.P/I.P None of the listed here ηm = (B.P × I.P)/100 ηm = I.P/B.P ηm = B.P/I.P None of the listed here ηm = (B.P × I.P)/100 ηm = I.P/B.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines During idling, a petrol engine requires _________ mixture. None of these Chemically correct Rich Lean None of these Chemically correct Rich Lean ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Air fuel ratio at which a petrol engine cannot work is 0.62569444444444 0.33402777777778 0.41736111111111 20 : 1 and less 0.62569444444444 0.33402777777778 0.41736111111111 20 : 1 and less ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of 75% iso-octane and 25% normal heptane 75% normal heptane and 25% iso-octane 75% petrol and 25% diesel 75% diesel and 25% petrol 75% iso-octane and 25% normal heptane 75% normal heptane and 25% iso-octane 75% petrol and 25% diesel 75% diesel and 25% petrol ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The volumetric efficiency of a well designed engine may be 75 to 90% 30 to 40% 40 to 60% 60 to 70% 75 to 90% 30 to 40% 40 to 60% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The accumulation of carbon in a cylinder results in increase of Clearance volume Volumetric efficiency Ignition time Effective compression ratio Clearance volume Volumetric efficiency Ignition time Effective compression ratio ANSWER DOWNLOAD EXAMIANS APP
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