Internal Combustion Engines The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will Decrease Be independent May increase or decrease depending on other factors Increase Decrease Be independent May increase or decrease depending on other factors Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel air ratio in a petrol engine fitted with suction carburettor, operating with dirty air filter as compared to clean filter will be Lower Remain unaffected Higher None of the listed here Lower Remain unaffected Higher None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The advancing of spark timing in spark ignition engines will ___ knocking tendency. Reduce None of the listed here Increase Not effect Reduce None of the listed here Increase Not effect ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Compression ratio of I.C. Engines is Ratio of pressure after compression and before compression Volume displaced by piston per stroke and clearance volume in cylinder The ratio of volumes of air in cylinder before compression stroke and after compression stroke Swept volume/cylinder volume Ratio of pressure after compression and before compression Volume displaced by piston per stroke and clearance volume in cylinder The ratio of volumes of air in cylinder before compression stroke and after compression stroke Swept volume/cylinder volume ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per BHP hour for diesel engine is approximately 0.3 kg 0.2 kg 0.15 kg 0.25 kg 0.3 kg 0.2 kg 0.15 kg 0.25 kg ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = (B.P × I.P)/100 ηm = I.P/B.P None of these ηm = B.P/I.P ηm = (B.P × I.P)/100 ηm = I.P/B.P None of these ηm = B.P/I.P ANSWER DOWNLOAD EXAMIANS APP
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