Internal Combustion Engines Air fuel ratio for idling speed of a petrol engine is approximately 0.62569444444444 0.20902777777778 0.41736111111111 0.042361111111111 0.62569444444444 0.20902777777778 0.41736111111111 0.042361111111111 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Detonation is harmful due to 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 None of these 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 Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine 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 Which of the following is false statement? Some of the methods used to reduce diesel smoke are as follows Adherence to proper fuel specification Using additives in the fuel Increasing the compression ratio Avoidance of overloading Adherence to proper fuel specification Using additives in the fuel Increasing the compression ratio Avoidance of overloading ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cam shaft of a four stroke I.C. engine running at 1500 rpm will run at 1500 rpm 750 rpm Any value independent of engine speed 3000 rpm 1500 rpm 750 rpm Any value independent of engine speed 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines By higher octane number of spark ignition fuel, it is meant that the fuel has Lower volatility Higher heating value Higher flash point Longer ignition delay Lower volatility Higher heating value Higher flash point Longer ignition delay ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking tendency in compression ignition engines for a given fuel will be Enhanced by decreasing compression ratio Dependent on other factors Enhanced by increasing compression ratio None of these Enhanced by decreasing compression ratio Dependent on other factors Enhanced by increasing compression ratio None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS