Hindustan Aeronautics Mechanical Engineer Interview Questions and Answers

Q1. What are the different parts of lathe machine
Ans. 
The different parts of a lathe machine include the bed, headstock, tailstock, carriage, chuck, tool post, and feed mechanism.
• Bed: It is the base of the lathe machine that supports all the other components.

• Headstock: It houses the main spindle, gears, and controls the speed of rotation.

• Tailstock: It provides support to the other end of the workpiece and can be moved along the bed.

• Carriage: It holds the cutting tool and ...read more
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Q2. How does a chain design done principly
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A chain design is primarily done by considering the desired function, load requirements, material selection, and manufacturing processes.
• Identify the purpose and function of the chain

• Determine the load requirements and calculate the necessary strength

• Select appropriate materials based on factors like strength, corrosion resistance, and cost

• Consider the manufacturing processes involved in producing the chain

• Design the c...read more
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Q1. Tell me about yourself
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I am a dedicated Mechanical Engineer with a passion for problem-solving and innovation.
• Graduated with a degree in Mechanical Engineering from XYZ University

• Experienced in designing and testing mechanical systems

• Proficient in CAD software such as SolidWorks and AutoCAD

• Strong analytical skills and attention to detail

• Worked on projects like designing a new cooling system for a car engine
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Q2. Favorite subject
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My favorite subject is Thermodynamics because I enjoy studying the transfer of energy and heat.
• I find the laws of thermodynamics fascinating

• I enjoy analyzing heat transfer processes

• I like studying the relationship between energy and work
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Q3. Scavenging, spoliers, gas cycles, etc.
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Q1. Biggest achievement
Ans. 
Designed and implemented a new cooling system for a high-performance engine, increasing efficiency by 15%.
• Led a team of engineers to analyze current cooling system performance

• Designed a new cooling system using advanced simulation software

• Implemented the new system on a prototype engine and conducted performance tests

• Achieved a 15% increase in efficiency compared to the previous system
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Q2. Have you any time involved in decision making, can be during any task
Ans. 
Yes, I have been involved in decision making during various tasks.
• I have made decisions regarding design changes in projects to improve efficiency.

• I have been part of a team that had to decide on the best approach to solve a technical problem.

• I have made decisions on prioritizing tasks to meet project deadlines.

• I have been involved in selecting the most suitable materials for a project based on cost and performance req
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Q1. Why do you want to work here?
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Q1. Tell me about yourself.
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Q2. Notice period of my present organisation
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Q1. Site based question about TG Deck Slab, Ash Handling Package
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Basic math and quantitative aptitude related questions

Q1. Tell me about thecompany
Ans. 
The company is a leading technology firm specializing in software development and engineering solutions.
• Founded in 2005 by a group of software engineers

• Provides services in web development, mobile app development, and cloud computing

• Clients include Fortune 500 companies such as Google and Microsoft
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Q2. How will you solve a critical problem coming to you as a engineer
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