Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 + (1/ rγ - 1) 1 - rγ - 1 1 - (1/ rγ - 1) 1 + rγ - 1 1 + (1/ rγ - 1) 1 - rγ - 1 1 - (1/ rγ - 1) 1 + rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle. Greater than None of these Less than Equal to Greater than None of these Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work done in a free expansion process is Maximum Minimum Zero Positive Maximum Minimum Zero Positive ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is 54 kJ 84 kJ 30 kJ 114 kJ 54 kJ 84 kJ 30 kJ 114 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of hydrogen requires 8 kg of oxygen and produces 1 kg of water 9 kg of water 8 kg of water 7 kg of water 1 kg of water 9 kg of water 8 kg of water 7 kg of water ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics No liquid can exist as liquid at Zero pressure Vacuum 273°K Centre of earth Zero pressure Vacuum 273°K Centre of earth ANSWER DOWNLOAD EXAMIANS APP
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