Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = (B.P × I.P)/100 ηm = B.P/I.P None of the listed here ηm = I.P/B.P ηm = (B.P × I.P)/100 ηm = B.P/I.P None of the listed here ηm = I.P/B.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The normal heptane (C₇Hâ‚₆) is given a rating of ________ octane number. 100 120 50 100 120 50 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The actual volume of fresh charge admitted in 4-stroke petrol engine is More than stroke volume Equal to stroke volume Less than stroke volume Equal to stroke volume and clearance volume More than stroke volume Equal to stroke volume Less than stroke volume Equal to stroke volume and clearance volume ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Theoretically, a four stroke cycle engine should develop _________ power as that of a two stroke cycle engine. Four times Half Double Same Four times Half Double Same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The theoretically correct mixture of air and petrol is 20 : 1 10 : 1 25 : 1 15 : 1 20 : 1 10 : 1 25 : 1 15 : 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression, in petrol engines, is approximately 20 bar 10 bar 35 bar 25 bar 20 bar 10 bar 35 bar 25 bar ANSWER DOWNLOAD EXAMIANS APP