Internal Combustion Engines The actual volume of fresh charge admitted in 4-stroke petrol engine is Less than stroke volume More than stroke volume Equal to stroke volume and clearance volume Equal to stroke volume Less than stroke volume More than stroke volume Equal to stroke volume and clearance volume Equal to stroke volume ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency. None of these Decrease Increase Not effected None of these Decrease Increase Not effected ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel as compared to petrol is None of these Highly ignitable Less difficult to ignite More difficult to ignite None of these Highly ignitable Less difficult to ignite More difficult to ignite 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 Mechanical efficiency Volumetric efficiency Relative efficiency Overall efficiency Mechanical efficiency Volumetric efficiency Relative efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to Ensure that penetration is not high Inject fuel at a high velocity to facilitate atomization All of these Inject fuel in a chamber of high pressure at the end of compression stroke Ensure that penetration is not high Inject fuel at a high velocity to facilitate atomization All of these Inject fuel in a chamber of high pressure at the end of compression stroke ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Iso-octane (C₈H₁₈) has octane number of 50 100 120 0 50 100 120 0 ANSWER DOWNLOAD EXAMIANS APP