Sidel Graduate Trainee Interview Questions and Answers

Q1. What is the principle of transformer
Ans. 
The principle of a transformer is based on electromagnetic induction.
• Transformers work on the principle of transferring electrical energy between two or more coils through electromagnetic induction.

• They consist of two coils, known as the primary and secondary coils, which are wound around a common magnetic core.

• When an alternating current (AC) flows through the primary coil, it creates a changing magnetic field around ...read more
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Technical (core),quantz,verbal, reasoning

Q1. Tell me about yourself
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Q2. Area of interest related questions
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Simple question, mathematics, English, basic engineering questions

Q1. About company, education background, family background
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Q2. What is mean by optical fibre, why colour are used for fibre
Ans. 
Optical fibre is a thin, flexible, transparent fibre that transmits light signals over long distances.
• Optical fibre is made of glass or plastic and is used for high-speed data transmission.

• The colour of the fibre is used to identify different types of fibres and to indicate the direction of the light signal.

• Single-mode fibres are usually yellow, while multimode fibres are usually orange or aqua.

• Fibre optic cables are u...read more
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Q1. Educational deals
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About salary, joining date