Festo Mechanical Engg. Design Interview Questions and Answers for Experienced

Q1. Gd&t details and use
Ans. 
GD&T stands for Geometric Dimensioning and Tolerancing. It is a system for defining and communicating engineering tolerances.
• GD&T is used to specify the allowable variations in form, size, and orientation of part features.

• It helps ensure that parts fit together properly and function as intended.

• GD&T symbols include position, concentricity, perpendicularity, and more.

• It is commonly used in mechanical engineering design ...read more
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Q2. Types of mfg proceed
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Types of manufacturing processes include casting, machining, forming, joining, and additive manufacturing.
• Casting: involves pouring molten material into a mold to create a desired shape (e.g. sand casting, die casting)

• Machining: involves removing material from a workpiece using cutting tools (e.g. milling, turning)

• Forming: involves shaping a material without removing any material (e.g. forging, stamping)

• Joining: involv...read more
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Q3. Conveyor Type and whereto use
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Conveyor types include belt, roller, chain, and screw conveyors, each suitable for different applications.
• Belt conveyors are commonly used for moving large volumes of materials over long distances.

• Roller conveyors are ideal for handling heavy loads and are commonly used in warehouses and distribution centers.

• Chain conveyors are suitable for moving products through inclines or declines.

• Screw conveyors are used for trans...read more
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General mechanical engineering knowledge.
Quantitative aptitude
Verbal and nonverbal

Q1. Bearing selection Drive calculations Material selection Pneumatic
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Q1. Salary discussion Notice period Salary negotiation
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They asked to share details about a senior project. What my role was in the project, and the processes followed by the team to accomplish the project on time.

Q1. Whati stress strain curve
Ans. 
A stress-strain curve shows the relationship between stress (force per unit area) and strain (deformation) in a material.
• It is used to determine the mechanical properties of a material, such as its stiffness, strength, and ductility.

• The curve typically consists of a linear elastic region, a yield point, a plastic deformation region, and ultimately failure.

• Different materials exhibit different shapes of stress-strain cu...read more
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Q1. What is your salary expectation
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Q1. Past experiences
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Q1. Design where you will place this object in an assembly
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Q1. Projection related question
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Q1. Salary related question
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It consist of 40 questions which were from different sections as direction sense, blood relation, patterns, numerical ability and much more. Also last five questions were based on general knowledge l.

Q1. What are your strengths and weaknesses?
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Q2. What is your family background?
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