Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = I.P/B.P ηm = B.P/I.P None of the listed here ηm = (B.P × I.P)/100 ηm = I.P/B.P ηm = B.P/I.P None of the listed here ηm = (B.P × I.P)/100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The octane number of petrol, generally available, is 60 to 80 20 to 40 40 to 60 80 to 100 60 to 80 20 to 40 40 to 60 80 to 100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Most high speed compression engines operate on Diesel cycle Otto cycle Special type of air cycle Dual combustion cycle Diesel cycle Otto cycle Special type of air cycle Dual combustion cycle ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Theoretically, a four stroke cycle engine should develop _________ power as that of a two stroke cycle engine. Half Four times Same Double Half Four times Same Double ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by Raising the compression ratio Reducing the delay period Increasing the inlet pressure of air All of these Raising the compression ratio Reducing the delay period Increasing the inlet pressure of air All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel as compared to petrol is None of these More difficult to ignite Less difficult to ignite Highly ignitable None of these More difficult to ignite Less difficult to ignite Highly ignitable ANSWER DOWNLOAD EXAMIANS APP
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