Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine Opens at bottom dead center and closes at top dead center Opens at 50° before bottom dead center and closes at 15° after 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 bottom dead center and closes at top dead center Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Alpha-methyl-naphthalene (C11H10) has a cetane number of 120 0 100 50 120 0 100 50 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of cetane number 40 has the same ignition quality as a mixture of 40% petrol and 60% diesel 40% cetane and 60% alpha methyl naphthalene 40% alpha methyl naphthalene and 60% cetane 40% diesel and 60% petrol 40% petrol and 60% diesel 40% cetane and 60% alpha methyl naphthalene 40% alpha methyl naphthalene and 60% cetane 40% diesel and 60% petrol ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the indicated thermal efficiency to the air standard efficiency is known as Relative efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Relative efficiency Mechanical efficiency Overall efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Theoretically, a four stroke cycle engine should develop _________ power as that of a two stroke cycle engine. Four times Double Same Half Four times Double Same Half ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the intake air temperature of I.C. engine increases, its efficiency will Decrease Remain same Increase None of these Decrease Remain same Increase None of these ANSWER DOWNLOAD EXAMIANS APP
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