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 If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the Engine starts overheating Scavenging occurs Exhaust will be smoky Piston rings would stick into piston grooves Engine starts overheating Scavenging occurs Exhaust will be smoky Piston rings would stick into piston grooves ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Mechanical efficiency Overall efficiency Volumetric efficiency Indicated thermal efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Compression loss in I.C engines occurs due to Leaking piston rings All of these Clogged air inlet slots Use of thick head gasket Leaking piston rings All of these Clogged air inlet slots Use of thick head gasket ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression, in petrol engines, is approximately 25 bar 20 bar 10 bar 35 bar 25 bar 20 bar 10 bar 35 bar ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is false statement? Some of the methods used to reduce diesel smoke are as follows Using additives in the fuel Avoidance of overloading Increasing the compression ratio Adherence to proper fuel specification Using additives in the fuel Avoidance of overloading Increasing the compression ratio Adherence to proper fuel specification ANSWER DOWNLOAD EXAMIANS APP
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