L&T Defence Production & Testing Engineer Interview Questions and Answers

Technical and aptitude Questions

Q1. Modelling and drafting
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Q1. Core Questions and some basics in techinical
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Q1. Basic from GATE Mechanical
Ans. I answered almost all questions related to Mechanical and technical skills like Solidworks, Ansys,Ls Dyna
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Q1. GD and T Tolerance
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Q1. Explain your B Tech project in detail
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Q2. Why HAL u want to join
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Q1. Related to aeronautics
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Q1. Salary discussion,documentation and bond details
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Q1. Define the factor of safety?
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Factor of safety is a design parameter that accounts for uncertainties in material properties and loading conditions.
• Factor of safety is the ratio of the maximum stress a material can withstand to the maximum stress it is subjected to in a given application.

• It ensures that the structure or component will not fail under normal operating conditions.

• Higher factor of safety values indicate a more conservative design approa...read more
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Q2. What is tolerance?
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Tolerance refers to the allowable variation in dimensions or properties of a part or product.
• Tolerance is important in engineering to ensure proper fit and function of components.

• It is typically specified as a range of acceptable values, such as +/- 0.1mm.

• Tolerance can be applied to dimensions, material properties, surface finish, etc.

• For example, a hole may have a tolerance of +/- 0.05mm to allow for proper alignment
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Q1. Academic knowledge, enthusiasm
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Q1. Personality, lesrnjng appetite
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