Internal Combustion Engines A mixture containing 65% of iso-octane and 35% of normal heptane will have Octane number 35 Octane number 65 Cetane number 65 Cetane number 35 Octane number 35 Octane number 65 Cetane number 65 Cetane number 35 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines Exhaust valve opens just after bottom dead center and closes just before top dead center May open and close anywhere Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center May open and close anywhere Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio in I.C. engine increases, then its thermal efficiency will Remain same Increase Decrease None of these Remain same Increase Decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency. None of these Not effected Decrease Increase None of these Not effected Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mean effective pressure obtained from engine indicator indicates the Maximum pressure developed Average pressure Instantaneous pressure at any instant Minimum pressure Maximum pressure developed Average pressure Instantaneous pressure at any instant Minimum pressure ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The operation of forcing additional air under pressure in the engine cylinder is known as Pre-ignition Scavenging Turbulence Supercharging Pre-ignition Scavenging Turbulence Supercharging ANSWER DOWNLOAD EXAMIANS APP