Internal Combustion Engines Detonation is harmful due to 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 Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The theoretically correct mixture of air and petrol is 15 : 1 25 : 1 20 : 1 10 : 1 15 : 1 25 : 1 20 : 1 10 : 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a petrol engine, the mixture has the lowest pressure at the None of these End of suction stroke Beginning of suction stroke End of compression stroke None of these End of suction stroke Beginning of suction stroke End of compression stroke ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is not an intern’s combustion engine? 2-stroke petrol engine Steam turbine Diesel engine 4-stroke petrol engine 2-stroke petrol engine Steam turbine Diesel engine 4-stroke petrol engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A 75 cc engine has following parameter as 75 cc Swept volume Lube oil capacity Cylinder volume Fuel tank capacity Swept volume Lube oil capacity Cylinder volume Fuel tank capacity ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have Long ignition delay Low density All of these Low temperature Long ignition delay Low density All of these Low temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS