Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = I.P/B.P ηm = (B.P × I.P)/100 None of these ηm = B.P/I.P ηm = I.P/B.P ηm = (B.P × I.P)/100 None of these ηm = B.P/I.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following statement is correct regarding petrol engines? All of these The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition 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 A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure All of these The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition 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 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 The delay period in compression ignition engines depends upon All of these Temperature and pressure in the cylinder at the time of injection Nature of the fuel mixture strength Relative velocity between the fuel injection and air turbulence pressure of residual gases All of these Temperature and pressure in the cylinder at the time of injection Nature of the fuel mixture strength Relative velocity between the fuel injection and air turbulence pressure of residual gases ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel as compared to petrol is None of these Less difficult to ignite More difficult to ignite Highly ignitable None of these Less difficult to ignite More difficult to ignite Highly ignitable ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If petrol is used in a diesel engine, then Efficiency will be low Higher knocking will occur Black smoke will be produced Low power will be produced Efficiency will be low Higher knocking will occur Black smoke will be produced Low power will be produced ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Fuel oil consumption guarantees for I .C. engine are usually based on Low heat value of oil High heat value of oil Net calorific value of oil Calorific value of fuel Low heat value of oil High heat value of oil Net calorific value of oil Calorific value of fuel ANSWER DOWNLOAD EXAMIANS APP
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