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 114 kJ 84 kJ 54 kJ 30 kJ 114 kJ 84 kJ 54 kJ 30 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Charles' law states that all perfect gases change in volume by __________ of its original volume at 0°C for every 1°C change in temperature, when pressure remains constant. 1/27th 1/273th 1/173th 1/93th 1/27th 1/273th 1/173th 1/93th ANSWER DOWNLOAD EXAMIANS APP
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 entropy of water at 0°C is assumed to be 1 -1 2 1 -1 2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following cycles has maximum efficiency? Brayton Stirling Carnot Rankine Brayton Stirling Carnot Rankine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The following cycle is used for air craft refrigeration Carnot cycle Brayton cycle Reversed Brayton cycle Joule cycle Carnot cycle Brayton cycle Reversed Brayton cycle Joule cycle ANSWER DOWNLOAD EXAMIANS APP
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