GATE Thermodynamics: Zeroth, first and second laws, work, heat and energy changes – Previous Year Questions
7 GATE previous year questions on Zeroth, first and second laws, work, heat and energy changes (Thermodynamics, Mechanical Engineering) with answers and explanations, from every paper.
- GATE 2022 ME (ME1) Q23 – The Clausius inequality holds good for
- GATE 2023 ME Q22 – A heat engine extracts heat (Q H) from a thermal reservoir at a temperature of 1000 K and rejects heat (Q L) to a thermal reservoir at a temperature…
- GATE 2023 ME Q42 – Consider a fully adiabatic piston-cylinder arrangement as shown in the figure. The piston is massless and cross-sectional area of the cylinder is A.…
- GATE 2024 ME Q46 – A piston-cylinder arrangement shown in the figure has a stop located 2 m above the base. The cylinder initially contains air at 140 kPa and 350 °C and…
- GATE 2024 ME Q47 – A heat pump (H.P.) is driven by the work output of a heat engine (H.E.) as shown in the figure. The heat engine extracts 150 kJ of heat from the…
- GATE 2025 ME Q18 – Air inside a rigid, thermally-insulated tank undergoes stirring as shown in the figure below. Which one of the following options is correct?
- GATE 2026 ME Q28 – For the isothermal expansion of an ideal gas in a piston cylinder system, the net heat supplied during the process is equal to the net work. Which one…