Jash Engineering Senior Design Engineer Interview Questions and Answers

Q1. Write unit testing for adding two nimbers
Ans. 
Unit testing for adding two numbers
• Create a test case with two numbers and expected sum

• Call the function that adds two numbers

• Assert that the result matches the expected sum
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Q1. Explain challenge you faced in your last project
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Q1. Salary expectations
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Q1. Per cubic metre concrete weight
Ans. 
The weight of concrete per cubic metre varies depending on the mix and density.
• The weight of normal concrete is around 2400 kg/m³

• Lightweight concrete can weigh as little as 1600 kg/m³

• Heavyweight concrete can weigh up to 3800 kg/m³

• The weight of concrete can also be affected by the aggregates used
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Q1. Software skills much required for design engineer job
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Q1. What is pressure vessel
Ans. 
A pressure vessel is a container designed to hold gases or liquids at a pressure substantially different from the ambient pressure.
• Pressure vessels are used in various industries such as oil and gas, chemical, pharmaceutical, and food processing.

• They are designed to withstand high pressures and are typically cylindrical or spherical in shape.

• Examples include boilers, storage tanks, and compressed air tanks.
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Q2. How to design shell
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Designing a shell involves considering factors like material, shape, size, and functionality.
• Consider the material of the shell - metal, plastic, or composite

• Determine the shape of the shell based on the intended use - cylindrical, spherical, conical, etc.

• Decide on the size of the shell to accommodate the contents it will hold

• Design the shell with the necessary functionality in mind - openings, closures, ventilation, e
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It went well, during which I shared my journey.

Q1. What is the concept of projection?
Ans. 
Projection is the process of displaying a three-dimensional object onto a two-dimensional surface.
• Projection involves transforming points from a higher-dimensional space to a lower-dimensional space.

• Common types of projections include orthographic and perspective projections.

• In engineering, projection is often used in computer-aided design (CAD) to create 2D drawings from 3D models.
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Q2. What are the uses of GD&T (Geometric Dimensioning and Tolerancing)?
Ans. 
GD&T is used to define the allowable variations in form, size, and orientation of parts in engineering drawings.
• Ensures clear communication between designers, engineers, and manufacturers

• Improves quality control by specifying tolerances for parts

• Reduces manufacturing costs by minimizing scrap and rework

• Helps optimize the design for functionality and manufacturability

• Examples: using position tolerance to control the...read more
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Q1. What makes you suitable for this job role?
Ans. 
I have extensive experience in designing complex systems and a proven track record of delivering successful projects on time and within budget.
• 10+ years of experience in designing and implementing complex engineering systems

• Strong problem-solving skills and ability to think creatively to find innovative solutions

• Proven track record of delivering projects on time and within budget

• Excellent communication and teamwork ski...read more
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Q2. What are your salary expectations?
Ans. 
My salary expectations are in line with industry standards for a Senior Design Engineer role.
• Research industry standards for Senior Design Engineer salaries

• Consider my level of experience and expertise in the field

• Factor in the location and cost of living for the job position

• Negotiate based on additional benefits or perks offered by the company
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