Mechanical Engineering > GATE 2025 > Thermodynamic Systems
Air inside a rigid, thermally-insulated tank undergoes stirring as shown in the figure below. Which one of the following options is correct?
A
The enthalpy of the air increases while the entropy of the air remains constant
B
Both the enthalpy and the entropy of the air remain constant
C
Both the enthalpy and the entropy of the air increase
D
The enthalpy of the air decreases while the entropy of the air increases

Correct : c

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