Fundamentals of Mechanical Engineering Unit 2 – Introduction to IC Engines and Electric Vehicles: AKTU previous year questions
41 AKTU questions from Unit 2 (Introduction to IC Engines and Electric Vehicles) asked in 2021–2026, tagged by marks, year and topic. In short: about 23 marks of every paper come from this unit; the most asked topic is Two Stroke and Four Stroke Engines (20 times); 30 questions came back in a later year. The latest ones are listed below; on the page you can filter them by 2-mark or long questions, topic and repeats.
Unit 2 previous year questions
- What do you mean by scavenging? (2 marks, 2026, Two Stroke and Four Stroke Engines)
- What is a Hybrid Electric Vehicle (HEV)? Describe the drive train components of an HEV and explain how energy is managed and transferred between the engine and electric motor. (7 marks, 2026, Hybrid Electric Vehicles)
- Explain the construction and working principle of a 4-Stroke Diesel engine also draw the Pressure (P)-Volume(V) & Temperature (T) -Entropy (S) diagram with a neat diagram. (7 marks, 2026, Two Stroke and Four Stroke Engines)
- Explain any seven differences between a spark-ignition (SI) engine and compression-ignition (CI) engine with the help of a Pressure-Volume (P-V) and Temperature-Entropy (T-S) diagram. (7 marks, 2026, Two Stroke and Four Stroke Engines)
- Comparison of electric vehicles with conventional engine-based vehicles. (2 marks, 2025, Electric Vehicles)
- What are the key components of an HEV drivetrain? (2 marks, 2025, Hybrid Electric Vehicles)
- Explain the construction and working principle of a 4-Stroke Petrol Engine, also draw the Pressure-Volume (P-V) & Temperature-Entropy (T-S) diagram with a neat diagram. (7 marks, 2025, Two Stroke and Four Stroke Engines)
- Explain how power devices (such as inverters and converters) are used in electric vehicles. (7 marks, 2025, Electric Vehicles)
- Describe the charging system in EVs and compare fast and slow charging methods. (7 marks, 2025, Electric Vehicles)
- Write a comparison between CI engines and SI engines. Explain the role of MPFI system. (7 marks, 2025, Two Stroke and Four Stroke Engines)
- Compare Electric Vehicles (EVs), Hybrid Electric Vehicles (HEVs), and conventional IC engine vehicles in terms of fuel economy, emissions, driving range, cost, and suitability for various applications. (7 marks, 2025, Hybrid Electric Vehicles)
- Explain the construction and working principle of a four-stroke CI engine with a neat diagram. (7 marks, 2025, Two Stroke and Four Stroke Engines)
Most asked Unit 2 topics
- Two Stroke and Four Stroke Engines – asked 20 times
- IC Engine Components and Definitions – asked 7 times
- Electric Vehicles – asked 7 times
Unit 2 question pattern
- 2-mark questions: 15 asked in 2021–2026
- 7-mark questions: 21 asked in 2021–2026
- 10-mark questions: 5 asked in 2021–2026
- About 23 marks from Unit 2 in every paper
- 30 questions were asked again in a later year
Unit 2 questions year by year
- 2026: 4 Unit 2 questions asked (23 marks across that year's papers)
- 2025: 8 Unit 2 questions asked (46 marks across that year's papers)
- 2024: 9 Unit 2 questions asked (48 marks across that year's papers)
- 2023: 10 Unit 2 questions asked (50 marks across that year's papers)
- 2022: 6 Unit 2 questions asked (36 marks across that year's papers)
- 2021: 4 Unit 2 questions asked (24 marks across that year's papers)