Internal Combustion Engines Which of the following is false statement? Detonation Formation of hard coating on piston skirts Piston ring and cylinder wear Oil sludge in the engine crank case Detonation Formation of hard coating on piston skirts Piston ring and cylinder wear Oil sludge in the engine crank case ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, advancing of the spark timing will ___ the knocking tendency. None of the listed here Not effect Decrease Increase None of the listed here Not effect Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the volume of charge admitted at N.T.P. to the swept volume of the piston is called Relative efficiency Volumetric efficiency Overall efficiency Mechanical efficiency Relative efficiency Volumetric efficiency Overall efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the inlet valve Opens at top dead center and closes at bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center May open and close anywhere Opens at top dead center and closes at bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
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 thermal efficiency of diesel engines on weak mixtures is Unaffected Dependent on other factors Lower Higher Unaffected Dependent on other factors Lower Higher ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS