DMI Quality Assurance Interview Questions and Answers

Q1. What is modal analysis
Ans. 
Modal analysis is a technique used to study the dynamic characteristics of a system by identifying its modes of vibration.
• Modal analysis is used to determine the natural frequencies, damping ratios, and mode shapes of a structure or component.

• It helps in understanding the behavior of a system under different loading conditions.

• Modal analysis is commonly used in engineering fields such as aerospace, civil, and mechanica...read more
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Q2. General discussion about the job description
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Q1. What is dof for 1d 2d and 3d element
Ans. 
DOF stands for Degrees of Freedom and refers to the number of independent variables in an element.
• 1D elements have 2 DOF, typically displacement in x and rotation about x

• 2D elements have 3 DOF, typically displacement in x and y, and rotation about z

• 3D elements have 6 DOF, typically displacement in x, y, and z, and rotation about x, y, and z
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Q2. Mesh quality criteria
Ans. 
Mesh quality criteria are used to evaluate the accuracy and reliability of a mesh in numerical simulations.
• Mesh quality criteria assess the shape, size, and connectivity of mesh elements.

• Common criteria include aspect ratio, skewness, and orthogonality.

• Aspect ratio measures the elongation of elements, with lower values indicating better quality.

• Skewness measures the distortion of elements, with values close to zero ind...read more
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Q3. What fea solvers have you used before
Ans. 
I have used various fea solvers in my previous roles.
• ANSYS

• ABAQUS

• Nastran

• LS-DYNA

• OpenFOAM
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Easy to score in coding test. 3 questions of easy medium and hard level

English and aptitude test

Q1. Technical interview on college project and basic ds and algo questions. Asked binary search and some questions on C++
Ans. I explained in detail about my college project. Starting questions were in that.
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Q1. Nothing much just a very informal conversation about college.
Ans. A very casual conversation and nothing technical.
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4 questions related arrays,strings.

60 questions have to be solved from 60 minutes.

Q1. Asked about React.js which I mentioned in my resume and given a pattern related question.
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Q1. Basic questions were asked
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Basic and mid level aptitude questions

2 coding question which are difficult not found in internet

Q1. Java interview questions
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Q1. Normal hr questions
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There was online aptitude test

There was pattern design coding

Q1. Tell me about yourself ?
Ans. 
I am a software developer with experience in web development and a passion for problem-solving.
• Experienced in web development using HTML, CSS, and JavaScript

• Proficient in programming languages such as Java and Python

• Familiar with frameworks like React and Angular

• Strong problem-solving and analytical skills

• Ability to work well in a team and communicate effectively
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Q1. Number is odd or not
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