Duflon Industries Product Development Engineer Interview Questions and Answers

Q1. Overall equipment effectiveness
Ans. 
Overall equipment effectiveness (OEE) is a measure of how well a manufacturing process is performing.
• OEE is calculated by multiplying availability, performance, and quality rates.

• It helps identify areas for improvement in production processes.

• Example: If a machine has an availability of 90%, performance of 95%, and quality of 98%, the OEE would be 83.7%.
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Q2. Product development
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Q1. What is your experience
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Q2. What is your expected salary
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Q1. Basic engineering concepts
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Q2. 3d modelling and drafting
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Q3. What is GD&T and What is DVA
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GD&T stands for Geometric Dimensioning and Tolerancing, a system for defining and communicating engineering tolerances. DVA stands for Design Verification Analysis, a process to ensure that a product meets design requirements.
• GD&T is a system used to define and communicate engineering tolerances, ensuring that parts are manufactured to the correct dimensions and with the required quality.

• DVA is a process used to verify...read more
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Q1. Heat treatment process Selection of material 3-2-1principle Gdnt
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Heat treatment process involves selecting the appropriate material and following the 3-2-1 principle for optimal results.
• Heat treatment process involves heating and cooling metal to alter its physical and mechanical properties.

• Selection of material is crucial for heat treatment process to achieve desired results.

• The 3-2-1 principle refers to heating the material at 3 different temperatures, holding it at 2 different te...read more
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Q1. DETAILS ABOUT PRESS TOOL & Mould . & It's Materials
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Q2. Types of material used in press tool
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Press tools are typically made from materials such as steel, aluminum, and carbide to withstand high pressure and wear.
• Steel is commonly used for its durability and strength

• Aluminum is used for its lightweight properties

• Carbide is used for its hardness and resistance to wear
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Q3. TYPES OF PRESS TOOL & WHY IT USED
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Press tools are used in manufacturing to shape or cut materials using mechanical force.
• Blanking tool - used to cut out a blank from a sheet of metal

• Piercing tool - used to create holes in materials

• Forming tool - used to bend or shape materials

• Drawing tool - used to form a shape by pulling material through a die

• Embossing tool - used to create raised designs on materials
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Q4. Details about types of mould & defects
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Q1. Gd@t tsa & dfmea
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General quant, verbal, logical questions

Q1. Know in-depth your project on which you have worked in your last company. Prepare Strength of Materials, GD&T along with tolerance stack up. Gain expertise in Creo and AUtoCAD
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Q1. Another interview round which was primarily focused on GD&T and tolerance stack up analysis
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Q1. General background discussions, salary negotiations
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Q1. What is a reference electrode?
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Q1. How much you expecting from us
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Not remember the question

Q1. 1. About your self. 2. Why are you hire ?. 3. What is different between Hard work and Smart work?. 4 . which are you do like Smart work or hard work?.
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Q2. What will you expect salary?
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