Internal Combustion Engines The correct mixture strength (by weight) for petrol is about 22.6 : 1 20.4 : 1 18.5 : 1 14.6 : 1 22.6 : 1 20.4 : 1 18.5 : 1 14.6 : 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In an internal combustion engine, the process of removing the burnt gases from the combustion chamber of the engine cylinder is known as Supercharging Polymerisation Scavenging Detonation Supercharging Polymerisation Scavenging Detonation ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A higher compression ratio causes Increase in detonation Pre-ignition Any one of these Acceleration in the rate of combustion Increase in detonation Pre-ignition Any one of these Acceleration in the rate of combustion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A 5 BHP engine running at full load would consume diesel of the order of 5 kg/hr 1 kg/hr 0.3 kg/hr 3 kg/hr 5 kg/hr 1 kg/hr 0.3 kg/hr 3 kg/hr ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at 50° before bottom dead center and closes at 15° after top dead center May open and close anywhere Opens at bottom dead center and closes at top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at 50° before bottom dead center and closes at 15° after top dead center May open and close anywhere Opens at bottom dead center and closes at top dead center 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 Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls None of these High intensity of knock causes crankshaft vibration and the engine runs rough 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 None of these High intensity of knock causes crankshaft vibration and the engine runs rough ANSWER DOWNLOAD EXAMIANS APP