Internal Combustion Engines Which of the following is false statement? Oil sludge in the engine crank case Formation of hard coating on piston skirts Detonation Piston ring and cylinder wear Oil sludge in the engine crank case Formation of hard coating on piston skirts Detonation Piston ring and cylinder wear ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The expansion of fuel in a four stroke cycle diesel engine May start and end anywhere Starts at 15° before top dead center and ends at 30° after top dead center Starts at top dead center and ends at 30° after top dead center Starts at 15° after top dead center and ends at 30° before bottom dead center May start and end anywhere Starts at 15° before top dead center and ends at 30° after top dead center Starts at top dead center and ends at 30° after top dead center Starts at 15° after top dead center and ends at 30° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Engine pistons are usually made of aluminium alloy because it Wear is less Is stronger Absorbs shocks Is lighter Wear is less Is stronger Absorbs shocks Is lighter ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The rating of a diesel engine, with increase in air inlet temperature, will Increase parabolically Decrease parabolically Increase linearly Decrease linearly Increase parabolically Decrease parabolically Increase linearly Decrease linearly ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The actual volume of fresh charge admitted in 4-stroke petrol engine is More than stroke volume Equal to stroke volume and clearance volume Less than stroke volume Equal to stroke volume More than stroke volume Equal to stroke volume and clearance volume Less than stroke volume Equal to stroke volume 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 Overall efficiency Mechanical efficiency Relative efficiency Volumetric efficiency Overall efficiency Mechanical efficiency Relative efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
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