Defence Research & Development Organisation Apprenticeship Training Mechanical Engineer Interview Questions and Answers

Q1. Explain your B Tech project in detail
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Q2. Why HAL u want to join
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Q1. Define the factor of safety?
Ans. 
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. Related to aeronautics
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Q1. Salary discussion,documentation and bond details
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Easy moderate 40 questions were there

Q1. Explain your projects
Ans. 
I have worked on various projects including a web development project, a data analysis project, and a machine learning project.
• Developed a website using HTML, CSS, and JavaScript for a local business

• Conducted data analysis on customer feedback data to identify trends and insights

• Implemented a machine learning model to predict customer churn for a telecom company
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Q2. What is your management style
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My management style is collaborative and empowering, focusing on communication and teamwork.
• I believe in open communication and transparency within the team.

• I empower team members to take ownership of their work and make decisions.

• I value teamwork and collaboration, encouraging input from all team members.

• I provide support and guidance to help team members grow and develop their skills.

• I believe in setting clear goals
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Q1. Cgpa secured till sem
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Q2. Any previous internships
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Yes, I have completed internships at two different companies.
• Interned at ABC Company in marketing department

• Interned at XYZ Company in finance department
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Q1. Final year project, Relative Humidity,Specific Humidity,RAC,Thermodynamics
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Q2. SOM basics,Mechanics basic
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Q1. Interview question is about my current job roles & responsibilities ?
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Q2. Which grease we use in Engine?
Ans. 
The type of grease used in an engine depends on the specific requirements of the engine and manufacturer recommendations.
• Different types of grease may be used in different parts of the engine, such as lithium-based grease for bearings and high-temperature grease for exhaust components.

• It is important to consult the engine manufacturer's recommendations or a qualified mechanic to determine the appropriate grease to use.

• ...read more
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Q3. How do you do planning before starting of a project?
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