Internal Combustion Engines The knocking tendency in compression ignition engines for a given fuel will be Enhanced by decreasing compression ratio Enhanced by increasing compression ratio Dependent on other factors None of these Enhanced by decreasing compression ratio Enhanced by increasing compression ratio Dependent on other factors None of these ANSWER DOWNLOAD EXAMIANS APP
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 None of these High intensity of knock causes crankshaft vibration and the engine runs rough 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 None of these High intensity of knock causes crankshaft vibration and the engine runs rough Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is 252 cm3 286 cm3 248 cm3 264 cm3 252 cm3 286 cm3 248 cm3 264 cm3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Compression ratio of I.C. Engines is Ratio of pressure after compression and before compression The ratio of volumes of air in cylinder before compression stroke and after compression stroke Volume displaced by piston per stroke and clearance volume in cylinder Swept volume/cylinder volume Ratio of pressure after compression and before compression The ratio of volumes of air in cylinder before compression stroke and after compression stroke Volume displaced by piston per stroke and clearance volume in cylinder Swept volume/cylinder volume ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The turbine of the turboprop engine is ___ that of the turbojet engine. Same as Smaller than Bigger than None of the listed here Same as Smaller than Bigger than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The scavenging efficiency of a four stroke cycle diesel engine is Between 50 and 85% Between 85 and 95% Below 50% Between 95 and 100% Between 50 and 85% Between 85 and 95% Below 50% Between 95 and 100% ANSWER DOWNLOAD EXAMIANS APP
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