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) 1 + rγ - 1 None of these 1 - rγ - 1 1 - (1/rγ - 1) 1 + rγ - 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The inlet valve of a four stroke cycle internal combustion engine remains open for 270° 130° 180° 230° 270° 130° 180° 230° ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle engine, the sequence of operations is Suction, compression, expansion and exhaust Expansion, compression, suction and exhaust Compression, expansion, suction and exhaust Suction, expansion, compression and exhaust Suction, compression, expansion and exhaust Expansion, compression, suction and exhaust Compression, expansion, suction and exhaust Suction, expansion, compression and exhaust ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, the delay period is of the order of 0.002 second 0.001 second 0.003 second 0.004 second 0.002 second 0.001 second 0.003 second 0.004 second ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines All heat engines utilize Net calorific value of oil High heat value of oil Low heat value of oil Calorific value of fuel Net calorific value of oil High heat value of oil Low heat value of oil Calorific value of fuel ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio in I.C. engine increases, then its thermal efficiency will Remain same None of these Increase Decrease Remain same None of these Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
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