When an ideal gas with constant specific heats is throttled adiabatically, with negligible changes in kinetic and potential energies

$$\Delta h = 0,\,\,\Delta T = 0$$

$$\Delta h > 0,\,\,\Delta T = 0$$

$$\Delta h > 0,\,\,\Delta s > 0$$

$$\Delta h = 0,\,\,\Delta s > 0$$

GATE 2000 Mechanical Engineering PYQ — Thermodynamics

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Thermodynamics · First Law

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First Law has appeared in GATE Mechanical Engineering 50 times across 21 years (2015, 2016, 2017, 2022, 2025, ...).

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