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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stirred tank mixture thermally insulated tank GATE mechanical engineering 2025 mechanical engineering gate enthalpy change stirred air entropy change stirred air GATE 2025 question 18 thermodynamics stirred tank mixed gas properties

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