Internal Combustion Engines A fuel of cetane number 40 has the same ignition quality as a mixture of 40% cetane and 60% alpha methyl naphthalene 40% diesel and 60% petrol 40% petrol and 60% diesel 40% alpha methyl naphthalene and 60% cetane 40% cetane and 60% alpha methyl naphthalene 40% diesel and 60% petrol 40% petrol and 60% diesel 40% alpha methyl naphthalene and 60% cetane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the brake power to the indicated power is called Overall efficiency Volumetric efficiency Mechanical efficiency Indicated thermal efficiency Overall efficiency Volumetric efficiency Mechanical efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The _________ engines can work on very lean mixture of fuel. Both (A) and (B) Compression ignition Spark ignition None of these Both (A) and (B) Compression ignition Spark ignition None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine Opens at 50° after bottom dead center and closes at 15° before top dead center May open and close anywhere Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at bottom dead center and closes at top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center May open and close anywhere Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at bottom dead center and closes at top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engine the inlet valve Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 35° after the bottom dead center Opens at 10° after top dead center and closes 20° before the bottom dead center May open or close anywhere Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 35° after the bottom dead center Opens at 10° after top dead center and closes 20° before the bottom dead center May open or close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Most high speed compression engines operate on Diesel cycle Dual combustion cycle Special type of air cycle Otto cycle Diesel cycle Dual combustion cycle Special type of air cycle Otto cycle ANSWER DOWNLOAD EXAMIANS APP
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