Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.15 0.7 0.5 0.3 0.15 0.7 0.5 0.3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a petrol engine, if diesel is used, then the engine will Run at high speed Not run Run more efficiently Explode Run at high speed Not run Run more efficiently Explode ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by 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 ηm = (B.P × I.P)/100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 - rγ - 1 1 - (1/rγ - 1) None of these 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these 1 + rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The inlet valve of a four stroke cycle internal combustion engine remains open for 130° 180° 230° 270° 130° 180° 230° 270° ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane (C₁₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of 0 50 120 100 0 50 120 100 ANSWER DOWNLOAD EXAMIANS APP
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