Defsys Solutions Senior Quality Engineer Interview Questions and Answers

Q1. Tell your experience about assembly tooling?
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Q2. How tooling elements you have designed and material selection?
Ans. 
I have designed various tooling elements and selected materials based on their properties and application requirements.
• Designed tooling elements for manufacturing processes such as injection molding, stamping, and machining

• Selected materials based on properties such as strength, durability, and heat resistance

• Considered application requirements such as cost, weight, and environmental factors

• Examples include designing i...read more
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Q3. Manufacturing process used?
Ans. 
We use a combination of CNC machining and injection molding for our manufacturing process.
• CNC machining is used for precision parts

• Injection molding is used for high volume production

• We also use 3D printing for prototyping

• Our manufacturing process is constantly evolving to improve efficiency and quality
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Q4. Surface finish requirement for tooling elements?
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Surface finish requirement for tooling elements is critical for achieving desired product quality.
• Surface finish affects the performance of the tooling element.

• It impacts the appearance and functionality of the final product.

• Surface finish is measured in Ra (roughness average) or Rz (roughness depth).

• The required surface finish depends on the application and material being used.

• For example, a mirror finish may be requi...read more
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Q5. What is GD&T and tell about some symbols you used?
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GD&T stands for Geometric Dimensioning and Tolerancing. It is a system of symbols and rules used to specify the geometry of mechanical parts.
• GD&T is used to ensure that parts fit together correctly and function properly.

• Some common symbols used in GD&T include concentricity, perpendicularity, and flatness.

• GD&T is often used in industries such as aerospace, automotive, and manufacturing.

• It allows for more precise commun...read more
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Q6. Which software u used?
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Q1. Why are you looking for a change?
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Q2. What is your expected salary?
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Q3. How soon u can join?
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Q1. Basics of htm javascript es6 angular
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Q2. Css scss
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Interceptor concepts

Q1. Salary negotiation
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Q1. Question from sheet metal domain Material science And previous work experience
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Q1. Basic engineering questions Work experience
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Q1. Salary negotiation and doj
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Was asked to write a program for linked list

Q1. Was asked to explain program and some logical questions
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Q1. Normal Salary discussion
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Q1. Difference between Cylindercity & concentricity? GD & T Engineering Drawing Instruments
Ans. 
Cylindricity measures how close the entire surface of a cylinder is to a true cylinder, while concentricity measures how close the center points of two circles or cylinders are to being perfectly aligned.
• Cylindricity is a 3D form control that ensures the entire surface of a cylinder is within a specified tolerance zone.

• Concentricity is a 2D form control that ensures the center points of two circles or cylinders are ali...read more
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Q2. Gd &It's applications
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Geometric Dimensioning and Tolerancing (GD&T) 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 are used on engineering drawings to communicate design requirements.

• Examples of GD&T symbols include position, concentricity, ...read more
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Q3. Instruments & least count
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Q4. Variable & attributes gauges
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Q5. SPc & msa explain
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SPC (Statistical Process Control) is a method of quality control that uses statistical methods to monitor and control a process. MSA (Measurement System Analysis) is a study that evaluates the measurement system to ensure it is reliable and accurate.
• SPC involves monitoring and controlling a process using statistical methods like control charts and process capability analysis.

• MSA evaluates the measurement system to ensu...read more
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