Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = B.P/I.P None of these ηm = I.P/B.P ηm = (B.P × I.P)/100 ηm = B.P/I.P None of these ηm = I.P/B.P ηm = (B.P × I.P)/100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The function of a distributor in a coil ignition system of I.C. engines is To time the spark To distribute power To distribute spark To distribute current To time the spark To distribute power To distribute spark To distribute current ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase of cooling water temperature in petrol engine will _________ the knocking tendency. Increase None of these Not effect Decrease Increase None of these Not effect Decrease ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Does the supply of scavenging air at a density greater than that of atmosphere mean engine is supercharged? Unpredictable To some extent Yes No Unpredictable To some extent Yes No ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of 2000°C 250°C 500°C 1000°C 2000°C 250°C 500°C 1000°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a standard Otto cycle for a compression ratio of 5.5 will be 0.5 1 0.7 0.25 0.5 1 0.7 0.25 ANSWER DOWNLOAD EXAMIANS APP
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