Zeus Numerix CAE Engineer Interview Questions, Process, and Tips

Q1. 1. Project related questions
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Q2. 2. questions related to aerospace engineering
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Q1. Explain types of stresses for design calculation of the component you have designed?
Ans. 
Types of stresses for design calculation include tensile, compressive, shear, bending, and torsional stresses.
• Tensile stress: Occurs when a component is pulled apart, stretching it.

• Compressive stress: Occurs when a component is pushed together, compressing it.

• Shear stress: Results from forces applied parallel to the surface, causing one part of the material to slide past another.

• Bending stress: Arises when a component ...read more
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Round duration - 45 minutes
Round difficulty - Medium

The questions were based on the projects that I did during my B.tech. Basics were checked and questions related to theoretical as well as application parts were asked. Interviewers ensured that I would stay calm and they tried to make me comfortable by starting with general questions.

Q1. Theoretical Questions and Algorithms
Three questions were asked: -
1. What was the problem statement?
2. Why did you choose such algorithms?
3. What was a new and unique approach?
Ans. 
Tip 1 : Don't try to show off.
Tip 2 : Just be clear with the basics of your projects.
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Round duration - 30 minutes
Round difficulty - Medium

This round was also taken in the evening time. It was taken by the CEO of the company and was again focused on the technical questions. He asked questions related to core algorithms and problem-solving approaches that I incorporated in my projects.

Q1. Prepare an STL file from a point cloud data.
Ans. 
Step 1 : Identify the elements and nodes forming the mesh/triangulation
Step 2 : Calculate facet normals
Step 3 : Write the STL file
Step 4 : Perform Delaunay triangulation (existing libraries may be used)
Step 5 : Create or use an existing STL file viewer.
Step 6 : Develop a GUI (Optional)
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Q2. Theoretical and basic
Two questions were asked: -
1. What is PCA and how does it work?
2. What is an autoencoder?
Ans. 
Tip 1 : Prepare the basics of ML and linear algebra (if you have done projects in these domains)
Tip 2 : Don't try to show off. Speak only what you've actually done.
Tip 3 : Don't hurry take your time
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