Here’s a general outline of the topics that are typically covered in the Mechanical Engineering optional for UPSC:
Paper I:
- Mechanics
- Strength of Materials
- Theory of Machines
- Vibrations
- Machine Design
- Fluid Mechanics
- Heat-Transfer
- Thermodynamics
- Power Plant Engineering
- Refrigeration and Air Conditioning
Paper II:
- Engineering Materials
- Metal Casting
- Forming Processes
- Joining Processes
- Machining and Machine Tool Operations
- Metrology and Inspection
- Computer Integrated Manufacturing
- Production Planning and Control
- Operations Research
- Quality and Reliability
It’s advisable to go through the official UPSC notification or syllabus document for the most accurate and updated information. Additionally, candidates may also refer to standard textbooks and reference materials used in undergraduate mechanical engineering courses to prepare for the examination.