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
Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.5 0.3 0.7 0.15 0.5 0.3 0.7 0.15 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Air fuel ratio at which a petrol engine cannot work is 0.41736111111111 20 : 1 and less 0.33402777777778 0.62569444444444 0.41736111111111 20 : 1 and less 0.33402777777778 0.62569444444444 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cam shaft of a four stroke I.C. engine running at 1500 rpm will run at 3000 rpm Any value independent of engine speed 750 rpm 1500 rpm 3000 rpm Any value independent of engine speed 750 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase of efficiency of a compression ignition engine, as the load decreases, is due to Hit and miss governing Qualitative governing Quantitative governing Higher maximum temperature Hit and miss governing Qualitative governing Quantitative governing Higher maximum temperature ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by 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 ηm = I.P/B.P ηm = (B.P × I.P)/100 ANSWER DOWNLOAD EXAMIANS APP
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