Internal Combustion Engines Compression loss in I.C engines occurs due to Use of thick head gasket Clogged air inlet slots All of these Leaking piston rings Use of thick head gasket Clogged air inlet slots All of these Leaking piston rings ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Detonation is harmful due to 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 None of these Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure and temperature at the end of compression stroke in a petrol engine are of the order of 4-6 kg/cm² and 200-250°C 6-12 kg/cm² and 250-350°C 20-30 kg/cm² and 450-500°C 12-20 kg/cm² and 350-450°C 4-6 kg/cm² and 200-250°C 6-12 kg/cm² and 250-350°C 20-30 kg/cm² and 450-500°C 12-20 kg/cm² and 350-450°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed, 4-stroke cycle diesel engine Fuel injection starts at 10° before top dead center and ends at 20° after top dead center Fuel injection starts at top dead center and ends at 20° after top dead center Fuel injection starts at just before top dead center and ends just after top dead center May start and end anywhere Fuel injection starts at 10° before top dead center and ends at 20° after top dead center Fuel injection starts at top dead center and ends at 20° after top dead center Fuel injection starts at just before top dead center and ends just after top dead center May start and end anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A hydraulic ram is a device used to To lift small quantity of water to a greater height when a large quantity of water is available at a smaller height Increase the pressure of water To lift water from deep wells Store the energy of water To lift small quantity of water to a greater height when a large quantity of water is available at a smaller height Increase the pressure of water To lift water from deep wells Store the energy of water ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines May open and close anywhere Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center May open and close anywhere Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center ANSWER DOWNLOAD EXAMIANS APP
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