GATE Thermal Engineering Applications: I.C. Engines: Otto, Diesel and dual cycles – Previous Year Questions

2 GATE previous year questions on I.C. Engines: Otto, Diesel and dual cycles (Thermal Engineering Applications, Mechanical Engineering) with answers and explanations, from every paper.

1. GATE 2022 ME (ME1) Q62 (2 marks, Numerical answer) – An engine running on an air standard Otto cycle has a displacement volume 250 cm3 and a clearance volume 35.7 cm3. The pressure and temperature at the…
2. GATE 2025 ME Q32 (1 mark, Numerical answer) – The thermal efficiency of an ideal air-standard Otto cycle is 0.5. The value of specific heat ratio of air is 1.4. The compression ratio of the cycle…