1. Mechanical Design (Initial Technical Round) This round focuses heavily on your core engineering and design principles. It's designed to gauge your technical foundation and design process. Focus Areas: Core Concepts: Mechanics of materials, thermodynamics, fluid mechanics, heat transfer, stress/strain, fatigue, and creep. Design Fundamentals: Factors of safety (FOS), limit fit and tolerance, geometric dimensioning and tolerancing (GD&T). Design Process: Your approach to a design project (gathering requirements, brainstorming, analysis, refinement), material selection, and balancing cost vs. performance. Project Discussion: In-depth questions about your past design projects, internships, and coursework. Be ready to explain your role, challenges, and what you learned. 2. Tool Test (Practical Skills Assessment) This is a hands-on evaluation of your proficiency with essential engineering software. Focus Areas: CAD (Computer-Aided Design): You will likely be given a task, such as creating a 3D model from a 2D drawing, or modifying an existing design within a time limit. The specific software (e.g., SolidWorks, Catia, NX) will depend on the company. FEA/CAE (Finite Element Analysis/Computer-Aided Engineering): For senior roles, you might be asked to set up a simple simulation, interpret results, or discuss your experience with analysis tools. Drafting/Drawings: Creating a clean, well-dimensioned, and toleranced engineering drawing. 3. Technical Round (Advanced/Problem-Solving) This round often involves senior engineers or the hiring manager and is more focused on complex problem-solving, behavioral scenarios, and specialization. Focus Areas: Advanced Concepts: Detailed application of physics and engineering laws to real-world scenarios. This may include questions on natural frequency, damping, vibrations, and failure analysis. Problem-Solving Scenarios: You might be asked to sketch out a solution to a design problem on the spot, explaining your material choice, section orientation, and design for manufacturability (DFM). Behavioral Questions (Technical Focus): Questions like "Describe a time your design failed and what you learned," or "How do you handle criticism of your work?" Fit for the Role: Discussions on how your specific skills align with the team's needs and the company's products. 4. HR Round (Cultural and Compensation Fit) The final round focuses on your fit with the company culture and logistical details. Focus Areas: Motivation: "Why do you want to work for our company?" "Where do you see yourself in 5 years?" Behavioral/Soft Skills: Questions about teamwork, conflict resolution, time management, and handling pressure. Strengths & Weaknesses: Standard interview questions to gauge self-awareness. Logistics & Compensation: Discussion of salary expectations, benefits, notice period, and start date.