Eisai Pharmaceuticals Technical Trainee Interview Questions and Answers

Basic mechanical engineering questions and aptitude

Q1. 1.GD&T 2.Gearbox types 3. How to reduce stress concentration
Ans. 
GD&T, gearbox types, and stress concentration reduction are important topics in engineering.
• GD&T (Geometric Dimensioning and Tolerancing) is a system for defining and communicating engineering tolerances.

• Common gearbox types include spur, helical, bevel, and worm gearboxes.

• To reduce stress concentration, techniques such as filleting, chamfering, and using proper material selection can be employed.
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Q2. 4. Stress strain diagram 5.Draw isometric view
Ans. 
Stress strain diagram shows the relationship between stress and strain in a material. Isometric view is a 3D representation of an object.
• Stress strain diagram illustrates how a material deforms under stress.

• Isometric view is a 3D representation where all three axes are equally foreshortened.

• Examples: Steel stress strain diagram shows linear elastic region followed by plastic deformation. Isometric view of a cube shows
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Q3. 6. Design methodology for manufacturing
Ans. 
Design methodology for manufacturing involves creating a systematic approach to developing and producing products efficiently.
• Identify customer needs and requirements

• Create detailed design specifications

• Select appropriate materials and manufacturing processes

• Prototype and test the design

• Optimize for cost and efficiency

• Implement quality control measures

• Continuously improve the design and manufacturing process
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