Convergent Science Interview Questions and Answers

Simple questions based on fundamentals of CFD

Q1. Based on Bernoulli principle
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Q2. Question on turbulence
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Q1. - Given a water -tight orientable 2-manifold, how to find if a point is inside or outside its volume? - Given a bunch of points with their coordinates, how to merge closeby points together? - How to determ...read more
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Answering technical questions for Software Engineer 2 position
• To determine if a point is inside or outside a 2-manifold, use the ray casting algorithm

• To merge closeby points, use clustering algorithms like k-means or DBSCAN

• To determine if the normals of two triangles are wrongly oriented, use the cross product of their edges

• Favorite research paper and why
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Q1. How does a DFS work?
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DFS is a graph traversal algorithm that explores as far as possible along each branch before backtracking.
• DFS stands for Depth First Search.

• It starts at the root node and explores as far as possible along each branch before backtracking.

• It uses a stack to keep track of the visited nodes.

• It can be implemented recursively or iteratively.

• It is used in finding connected components, topological sorting, and solving puzzles
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Q2. How to find if an array has duplicates, in linear time?
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To find duplicates in an array of strings in linear time
• Create a hash table to store the frequency of each string

• Iterate through the array and check if the frequency of any string is greater than 1

• If yes, then it is a duplicate

• Return true if duplicates are found, else false
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