GATE Thermal Engineering Applications: Psychrometry and air-conditioning – Previous Year Questions

1 GATE previous year questions on Psychrometry and air-conditioning (Thermal Engineering Applications, Mechanical Engineering) with answers and explanations, from every paper.

1. GATE 2025 ME Q19 (1 mark, Multiple choice) – In a psychrometric chart, one axis represents dry-bulb temperature. The axis, that is perpendicular to the dry-bulb temperature axis, represents