Internal Combustion Engines The ignition quality of diesel oil is expressed by Calorific value Cetane number None of the listed here Octane number Calorific value Cetane number None of the listed here Octane number 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 Volumetric efficiency Relative efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Relative efficiency Mechanical efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Detonation is harmful due to None of these Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls High intensity of knock causes crankshaft vibration and the engine runs rough None of these Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls High intensity of knock causes crankshaft vibration and the engine runs rough ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which one of the following engines will have heavier flywheel than the remaining ones? 30 kW four-stroke diesel engine running at 750 r.p.m. 30 kW two-stroke diesel engine running at 750 r.p.m. 30 kW two-stroke petrol engine running at 1500 r.p.m. 30 kW four-stroke petrol engine running at 1500 r.p.m. 30 kW four-stroke diesel engine running at 750 r.p.m. 30 kW two-stroke diesel engine running at 750 r.p.m. 30 kW two-stroke petrol engine running at 1500 r.p.m. 30 kW four-stroke petrol engine running at 1500 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine is ___ as compared to petrol engine, both running at rated load. None of the listed here Equally efficient More efficient Less efficient None of the listed here Equally efficient More efficient Less efficient ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 - (1/rγ - 1) 1 - rγ - 1 1 + rγ - 1 None of these 1 - (1/rγ - 1) 1 - rγ - 1 1 + rγ - 1 None of these ANSWER DOWNLOAD EXAMIANS APP