Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by 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 ηm = B.P/I.P None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The tangential velocity of the water element having a free vortex is Directly proportional to its (distance)2 from the centre Directly proportional to its distance from the centre Inversely proportional to its (distance)2 from the centre Inversely proportional to its distance from the centre Directly proportional to its (distance)2 from the centre Directly proportional to its distance from the centre Inversely proportional to its (distance)2 from the centre Inversely proportional to its distance from the centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Combustion in compression ignition engines is Both (A) and (B) Laminar Heterogeneous Homogeneous Both (A) and (B) Laminar Heterogeneous Homogeneous ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The reason for supercharging in any engine is to Increase efficiency Effect fuel economy Increase power Reduce weight and bulk for a given output Increase efficiency Effect fuel economy Increase power Reduce weight and bulk for a given output ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called Overall efficiency Efficiency ratio Relative efficiency Net efficiency Overall efficiency Efficiency ratio Relative efficiency Net efficiency 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) None of these 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
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