Vikas Group Diploma Trainee Engineer Interview Questions and Answers

Q1. Working of solar cell.
Ans. 
Solar cells convert sunlight into electricity using photovoltaic effect.
• Solar cells are made of semiconductor materials like silicon.

• When sunlight hits the solar cell, it excites electrons in the material.

• The excited electrons create an electric current, which can be used as electricity.

• Solar cells are often connected in arrays to generate more power.

• Common types of solar cells include monocrystalline, polycrystalline,...read more
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Q1. Molding defects
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Q2. What do you mean by Injection Molding Process
Ans. 
Injection molding process is a manufacturing technique used to produce parts by injecting molten material into a mold.
• Molten material is injected into a mold cavity

• The material cools and solidifies to form the desired shape

• Commonly used for producing plastic parts in large quantities

• Used in various industries such as automotive, electronics, and medical devices
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Q1. Draw star-delta Diagram
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Star-delta diagram is a method used to reduce starting current in induction motors.
• Star connection is used during starting to reduce current and then switches to delta connection for running.

• In star connection, each phase is connected to a common point called the neutral.

• In delta connection, each phase is connected in a loop.

• Example: L1, L2, L3 are connected to A, B, C respectively in star, then switched to form a delt
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Q1. Basic questions about your subjects and branch.
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Q2. Tell me about your self.
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Screening about company overview what they production.

Q1. Robot knowledge
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Q2. Plc programing with
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General question asked

Q1. About yourseLd, hookes law thermodynamics process haighs law
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Bassic engineering
Normal general apptitude test

Q1. What is your favourite subject Trigonometry Self introduction
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