Internal Combustion Engines Detonation is harmful due to Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine High intensity of knock causes crankshaft vibration and the engine runs rough None of these Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine High intensity of knock causes crankshaft vibration and the engine runs rough None of these Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls 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 petrol engine running at 1500 r.p.m. 30 kW four-stroke petrol engine running at 1500 r.p.m. 30 kW two-stroke diesel engine running at 750 r.p.m. 30 kW four-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 two-stroke diesel engine running at 750 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in spark ignition engines can be reduced by Retarding the spark None of these Both (A) and (B) Increasing the engine speed Retarding the spark None of these Both (A) and (B) Increasing the engine speed ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Installation of supercharger on a four cycle diesel engine can result in the following percentage increase in power Up to 50% Up to 100% Up to 35% Up to 75% Up to 50% Up to 100% Up to 35% Up to 75% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase of cooling water temperature in petrol engine will _________ the knocking tendency. None of these Increase Decrease Not effect None of these Increase Decrease Not effect ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The colour of exhaust from diesel engine is generally Black Violet White Bluish Black Violet White Bluish ANSWER DOWNLOAD EXAMIANS APP
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