Engineering Thermodynamics When the gas is heated at constant pressure, the heat supplied Increases the temperature of the gas Does some external work during expansion Both (B) and (C) Increases the internal energy of the gas Increases the temperature of the gas Does some external work during expansion Both (B) and (C) Increases the internal energy of the gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy of gas molecules Remain constant Decreases May increase/decrease depending on the properties of gas Increases Remain constant Decreases May increase/decrease depending on the properties of gas Increases 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 30 kJ 84 kJ 114 kJ 54 kJ 30 kJ 84 kJ 114 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of gas constant (R) in S. I. units is 28.7 J/kgK 0.287 J/kgK 2.87 J/kgK 287 J/kgK 28.7 J/kgK 0.287 J/kgK 2.87 J/kgK 287 J/kgK ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football Becomes hotter Becomes cooler May become hotter or cooler depending upon the humidity of the surrounding air Remains at the same temperature Becomes hotter Becomes cooler May become hotter or cooler depending upon the humidity of the surrounding air Remains at the same temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which is the incorrect statement about Carnot cycle? It is used as the alternate standard of comparison of all heat engines It provides concept of maximising work output between the two temperature limits All the heat engines are based on Carnot cycle All of these It is used as the alternate standard of comparison of all heat engines It provides concept of maximising work output between the two temperature limits All the heat engines are based on Carnot cycle All of these ANSWER DOWNLOAD EXAMIANS APP
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