Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = B.P/I.P None of these ηm = I.P/B.P ηm = (B.P × I.P)/100 ηm = B.P/I.P None of these ηm = I.P/B.P ηm = (B.P × I.P)/100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Indicated thermal efficiency Volumetric efficiency Overall efficiency Mechanical efficiency Indicated thermal efficiency Volumetric efficiency Overall efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by Increasing the inlet pressure of air All of these Raising the compression ratio Reducing the delay period Increasing the inlet pressure of air All of these Raising the compression ratio Reducing the delay period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The two reference fuels used for cetane rating are Cetane and tetra ethyl lead Cetane and alpha-methyl naphthalene Cetane and normal heptane Cetane and iso-octane Cetane and tetra ethyl lead Cetane and alpha-methyl naphthalene Cetane and normal heptane Cetane and iso-octane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of diesel engines is about 0.7 0.5 0.15 0.3 0.7 0.5 0.15 0.3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Scavenging is usually done to increase Thermal efficiency Fuel consumption Speed Power output Thermal efficiency Fuel consumption Speed Power output ANSWER DOWNLOAD EXAMIANS APP