Turbo Energy Eelectronics Enng. and Electrical Enng. as Work Maintenance Electrical Interview Questions and Answers

Reasoning and aptitude test

Q1. About drawing and gd&t
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Q2. Software knowledge
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Reasoning and aptitude test

Q1. About drawing and gd&t
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Q2. Software knowledge
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Q1. Plastic parts related only?
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Q2. Shrinkage of plastic part?
Ans. 
Shrinkage of plastic part is the reduction in size of a plastic component during cooling after molding.
• Shrinkage occurs due to the cooling process after the plastic part is molded.

• Factors affecting shrinkage include material type, mold design, processing conditions, and part geometry.

• Shrinkage is typically expressed as a percentage of the original dimensions.

• Compensating for shrinkage is important in designing molds an...read more
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Q1. Self Introduction
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Q2. Salary Expectation
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Q3. Why are reason you previous company?
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Q1. All questions related to plastic 1. what is plastic rib thickness basis on wall thickness?
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Q2. 2. what is shutt off angle in molding?
Ans. 
Shut off angle in molding refers to the angle at which the mold halves meet and close to form a complete part.
• Shut off angle is crucial for ensuring proper part ejection and preventing flash formation.

• It is typically between 0.5 to 3 degrees, depending on the material and part design.

• A larger shut off angle may be required for parts with deep cavities or complex geometries.

• Improper shut off angle can lead to part defec
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Q3. 3. Plastic shrinkage
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Q4. 4. In pp plastic material coating or painting are used?
Ans. 
In pp plastic material, coating is preferred over painting for better adhesion and durability.
• Coating is commonly used on PP plastic material for better adhesion and durability

• Painting is less preferred on PP plastic due to poor adhesion and durability

• Examples of coatings for PP plastic include polypropylene-specific primers and adhesion promoters
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Q5. 5. How to define undercut angle in plastic?
Ans. 
Undercut angle in plastic is the angle between the side wall of a mold and the vertical direction.
• Undercut angle is important in plastic injection molding to ensure proper release of the part from the mold.

• It is typically measured in degrees and affects the draft angle required for the mold.

• A larger undercut angle allows for easier part ejection but may require more complex mold design.

• Examples of parts with undercut a...read more
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Q6. 6. what is warpage & sink marks in plastic & how to prevent?
Ans. 
Warpage and sink marks are common defects in plastic parts caused by uneven cooling. Prevention methods include proper gate design, cooling system optimization, and material selection.
• Warpage is the deformation of a plastic part due to uneven cooling, leading to dimensional inaccuracies.

• Sink marks are depressions on the surface of a plastic part caused by uneven cooling and shrinkage.

• Prevention methods include proper g...read more
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Q1. Store related of the question
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Q2. Sap related of the question
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Q3. Material handling on question
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Q4. Excel ms word related questions
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Q5. Inventory related for questions
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Q1. CAD test in catia
Ans. 
CAD test in CATIA evaluates candidate's proficiency in using CATIA software for designing engineering projects.
• Demonstrate ability to create 3D models using CATIA software

• Show proficiency in creating assemblies and performing simulations in CATIA

• Explain experience in generating 2D drawings and technical documentation in CATIA
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Q2. Plastic material, defects
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Q1. Tell me about yourself Favourite engineering subject
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Q1. What are the different types of Snap fits used in plastics
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Q2. What is Remastering in plastics
Ans. 
Remastering in plastics is the process of improving the quality of recycled plastic materials.
• It involves adding new additives to the recycled plastic to enhance its properties.

• The process can also involve removing impurities and contaminants from the recycled plastic.

• Remastering helps to increase the value and usability of recycled plastic materials.

• Examples of remastered plastics include PET bottles, HDPE containers,
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