Tata Power Summer Intern Interview Questions and Answers

A total of 100 questions to be solved in 100 minutes. 20-25 questions from Aptitude and remaining questions from domain knowledge. Topics (Aptitude) = Anagrams, Data Interpretation, Time and work, etc. (i can't recall any more) (Domain Knowledge) = Transformer, basic electrical engineering, circuit breaker, power electronics

Q1. Large number of figures will be drawn on a piece of paper and you will be asked to circle the occurences of a particular figure. Counting how many times a letter repeats in a given sentence.
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A situation will be given, followed by a question. You have to discuss about the best possible solution to that question.

Q1. What will happen if u apply dc voltage on a transformer
Ans. 
Applying DC voltage on a transformer will cause no current to flow through the transformer due to the absence of changing magnetic field.
• Applying DC voltage on a transformer will not induce any current flow as there is no changing magnetic field to create electromagnetic induction.

• The transformer will not be able to step up or step down the voltage as it requires alternating current to work properly.

• The transformer may...read more
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Q2. Your ceiling fan is not working. An engineer comes, rotates the fan with a stick and it starts running. How did this happen?
Ans. 
The engineer rotated the fan with a stick to overcome the initial friction and kickstart the motor.
• The fan may have been stuck due to lack of use or dust accumulation

• Rotating the fan manually helps overcome the initial friction and kickstarts the motor

• This method is a temporary fix and the fan may need further maintenance or repair
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Q1. Questions from power system , power electronics & electrical machines
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Puzzle solving , rearrange the words etc .

In the group discussion our topic was that about a plane crash in jungle . Some of the people are alive . Then we have to discuss about what to do - 1. move to nearest village or 2. wait for rescue operation.

Q1. There was around 7 or 8 respected gentlemen from CESC in the interview board . They asked about some family question and some technical question.
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Q1. 5s, soler cell manufacturing
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Q2. Kizene, 5s, sop, quality, dipartment process
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Q1. Work releted questions
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Q2. Other work experience
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Q3. Your skills is best for company
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Q1. Why you want to learn in bhel
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Q2. Future aspirations
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Electric motors new trends n technology

Topic was Women in power sectors

Q1. Give your brief intro
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Q2. What is thermal plant?
Ans. 
A thermal plant is a power station that generates electricity by converting heat energy into electrical energy.
• Thermal plants use fuel such as coal, natural gas, or oil to heat water and produce steam.

• The steam then drives a turbine connected to a generator, which produces electricity.

• Examples of thermal plants include coal-fired power plants and gas-fired power plants.
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