Internal Combustion Engines The reference fuels for knock rating of spark ignition engines would include Normal heptane and iso-octane Iso-octane and normal hexane Normal octane and aniline Iso-octane and alpha-methyl naphthalene Normal heptane and iso-octane Iso-octane and normal hexane Normal octane and aniline Iso-octane and alpha-methyl naphthalene ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The maximum propulsive efficiency of a turbojet engine is at a speed of 2000 km/h 3000 km/h 1000 km/h 2400 km/h 2000 km/h 3000 km/h 1000 km/h 2400 km/h ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase in intake temperature of internal combustion engines will ___ efficiency. Have no effect on Decrease None of the listed here Increase Have no effect on Decrease None of the listed here Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is false statement? Oil sludge in the engine crank case Detonation Piston ring and cylinder wear Formation of hard coating on piston skirts Oil sludge in the engine crank case Detonation Piston ring and cylinder wear Formation of hard coating on piston skirts ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines An hmh flame speed is obtained in diesel engine when air fuel ratio is Chemically correct mixture Uniform throughout the mixture About 10% of rich mixture About 35% of rich mixture Chemically correct mixture Uniform throughout the mixture About 10% of rich mixture About 35% of rich mixture ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines 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 Exhaust valve opens at bottom dead center and closes at top dead center May open and close anywhere 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 Exhaust valve opens at bottom dead center and closes at top dead center May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
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