Tech Mahindra Design Engineer Interview Questions, Process, and Tips

Q1. What is gd&t and what is the use of gd&t
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Q2. Explain about 321 principle
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Q1. Which part they will give you for remastering?
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Q1. 1] Creating 3d model. 2] WHAT IS CASTING PROCESS 3] WHAT IS SHEET METAL 4] GD&T
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Q2. WHAT IS GD&T IN MECHANICAL? DESCRIBLE ALL IN DETAILS .
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Q3. WHICH POINTS CONSIDERED DURING CASTING FEASIBLITY?
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Q4. UG NX COMMANDS?
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Q1. Walk me through your profile.
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Q2. What are your responsibilities in your previous organisation?
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Q3. Are you aware of GD&T?
Ans. 
Yes, GD&T stands for Geometric Dimensioning and Tolerancing, a system for defining and communicating engineering tolerances.
• GD&T is a system used in engineering to define and communicate tolerances for manufacturing and inspection.

• It uses symbols, such as concentricity, flatness, and perpendicularity, to specify geometric characteristics of parts.

• GD&T helps ensure that parts are manufactured and inspected consistently ...read more
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Q4. Which are the operations performed on sheet metal to increase the strength of it without changing thickness?
Ans. 
Operations like bending, folding, and crimping can increase the strength of sheet metal without changing its thickness.
• Bending: This process involves bending the sheet metal along a straight line to increase its strength.

• Folding: Folding the sheet metal creates multiple layers, increasing its strength.

• Crimping: Crimping involves creating small indentations or folds in the sheet metal to increase its rigidity.

• Rolling: R...read more
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Q5. Do you know modelling in CREO?
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Q6. What are the parts that you've designed in creo and what is the application?
Ans. 
I have designed various parts in Creo for applications in automotive, aerospace, and consumer electronics industries.
• Designed engine components for automotive industry

• Designed aircraft structural components for aerospace industry

• Designed smartphone casings for consumer electronics industry
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Q7. From your experience what are the factors that needs to be considered while designing a component for sheet metal and plastic?
Ans. 
Factors to consider when designing components for sheet metal and plastic
• Material selection based on properties and application requirements

• Design for manufacturability to ensure ease of production and cost-effectiveness

• Consideration of material thickness and bending radius for sheet metal components

• Wall thickness, draft angles, and rib design for plastic components

• Integration of features like fastening methods, mounti...read more
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Q8. What are your salary expectations?
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Q1. What do you know about MBD?
Ans. 
MBD stands for Model-Based Design, a methodology used in engineering to develop systems using models as the primary source of information.
• MBD involves creating a model of the system being designed, which can be used for simulation, verification, and automatic code generation.

• It helps in reducing development time and costs by allowing engineers to test and validate designs before physical implementation.

• Popular tools us...read more
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Q2. Do you know the symbol of position tolerance?
Ans. 
Yes, the symbol for position tolerance is a circle with a horizontal line through the middle.
• The symbol for position tolerance is a circle with a horizontal line through the middle

• It is used in engineering drawings to specify the allowable deviation in the location of a feature

• Position tolerance controls the location of a feature relative to a specified datum
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Online aptittude test - 1 hr

Q1. Introduce yourself questions on the projects that you have done questions on hobbies
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Q1. Tell about yourself tell about company location behavior questions
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Q1. 1. all about previous experience 2. tool test 3. plastic related questions
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Q2. Tool test and plastic
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