Internal Combustion Engines The cetane (Câ‚₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of 50 120 100 50 120 100 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 Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine High intensity of knock causes crankshaft vibration and the engine runs rough None of these 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 High intensity of knock causes crankshaft vibration and the engine runs rough None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in spark ignition engines can be reduced by Retarding the spark Both (A) and (B) None of these Increasing the engine speed Retarding the spark Both (A) and (B) None of these Increasing the engine speed ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The brake power of a diesel engine, keeping other parameters constant, can be increased by Increasing the temperature of intake air Increasing the pressure of intake air Decreasing the pressure of intake air Decreasing the density of intake air Increasing the temperature of intake air Increasing the pressure of intake air Decreasing the pressure of intake air Decreasing the density of intake air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following statement is correct regarding petrol engines? The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition All of these A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition All of these A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In case of gas turbines, the gaseous fuel consumption guarantees are based on Calorific value Net calorific value Low heat value High heat value Calorific value Net calorific value Low heat value High heat value ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS