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 None of these 1 - (1/rγ - 1) 1 + rγ - 1 1 - rγ - 1 None of these 1 - (1/rγ - 1) 1 + rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The colour of exhaust from diesel engine is generally Bluish Black White Violet Bluish Black White Violet ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which is more viscous lube oil? SEA 30 SAE 50 SAE 80 SAE 70 SEA 30 SAE 50 SAE 80 SAE 70 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The inlet valve of a four stroke cycle internal combustion engine remains open for 270° 180° 130° 230° 270° 180° 130° 230° ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The working pressure and temperature inside the cylinder of an internal combustion engine is _________ as compared to a steam engine. High Low Very high Very low High Low Very high Very low ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the percentage increase in efficiency will be 0.04 0.08 0.02 0.14 0.04 0.08 0.02 0.14 ANSWER DOWNLOAD EXAMIANS APP
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