Internal Combustion Engines The cetane (C₁₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of 50 120 0 100 50 120 0 100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking tendency in compression ignition engines for a given fuel will be Enhanced by decreasing compression ratio Dependent on other factors None of these Enhanced by increasing compression ratio Enhanced by decreasing compression ratio Dependent on other factors None of these Enhanced by increasing compression ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called Net efficiency Overall efficiency Relative efficiency Efficiency ratio Net efficiency Overall efficiency Relative efficiency Efficiency ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines All heat engines utilize Net calorific value of oil Low heat value of oil Calorific value of fuel High heat value of oil Net calorific value of oil Low heat value of oil Calorific value of fuel High heat value of oil ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure and temperature at the end of compression stroke in a petrol engine are of the order of 4-6 kg/cm² and 200-250°C 6-12 kg/cm² and 250-350°C 20-30 kg/cm² and 450-500°C 12-20 kg/cm² and 350-450°C 4-6 kg/cm² and 200-250°C 6-12 kg/cm² and 250-350°C 20-30 kg/cm² and 450-500°C 12-20 kg/cm² and 350-450°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A spark plug gap is kept from 0.6 to 1.0 mm 0.4 to 0.9 mm 0.3 to 0.7 mm 0.2 to 0.8 mm 0.6 to 1.0 mm 0.4 to 0.9 mm 0.3 to 0.7 mm 0.2 to 0.8 mm ANSWER DOWNLOAD EXAMIANS APP