Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = B.P/I.P ηm = I.P/B.P None of the listed here ηm = (B.P × I.P)/100 ηm = B.P/I.P ηm = I.P/B.P None of the listed here ηm = (B.P × I.P)/100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The advancing of spark timing in spark ignition engines will ___ knocking tendency. Not effect Reduce None of the listed here Increase Not effect Reduce None of the listed here Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The brake power of a diesel engine, keeping other parameters constant, can be increased by Decreasing the density of intake air Decreasing the pressure of intake air Increasing the temperature of intake air Increasing the pressure of intake air Decreasing the density of intake air Decreasing the pressure of intake air Increasing the temperature of intake air Increasing the pressure of intake air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure and temperature at the end of compression stroke in a petrol engine are of the order of 4-6 kg/cm² and 200-250°C 20-30 kg/cm² and 450-500°C 12-20 kg/cm² and 350-450°C 6-12 kg/cm² and 250-350°C 4-6 kg/cm² and 200-250°C 20-30 kg/cm² and 450-500°C 12-20 kg/cm² and 350-450°C 6-12 kg/cm² and 250-350°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per B.P. hour for a diesel engine is about 0.25 kg 0.3 kg 0.2 kg 0.35 kg 0.25 kg 0.3 kg 0.2 kg 0.35 kg ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In case of gas turbines, the gaseous fuel consumption guarantees are based on High heat value Net calorific value Calorific value Low heat value High heat value Net calorific value Calorific value Low heat value ANSWER DOWNLOAD EXAMIANS APP
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