Indian Oil Corporation Electrician Interview Questions and Answers

Q1. Electricals related questions
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Q1. Lt tension,DG , ACB
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Q1. All electrical questions
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Q2. Star delta star
Ans. Star delta is moter smuth normal moter start
Answered by Bhagat Mukesh
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Q1. Fild work and oppression
Ans. Power issue late and power on of
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Q2. Isulate propyl fider
Ans. Fedar off feuse remove, cantrol feuse remove, emargency push button push
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Q1. MCb,Mpcb ,rrcb,elcb ,
Ans. Miniature circuit breaker Moter protection circuit breaker Residual current circuit breaker Earth leakage circuit breaker
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Q2. Mother mantnece
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Q1. Hv,lv,panal in work
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Q2. Transformer in work
Ans. 
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Transformers are used to increase or decrease voltage levels in electrical circuits.

• They consist of primary and secondary coils wound around a core made of ferromagnetic material.

• Step-up transformers increase voltage for long-distance power transmission, while step-down transformers decrease voltage...read more
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Q1. Air compressor woking
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Understand human differences, and gain knowledge about personality types. Attitude testing can be done directly or indirectly.

Group discussion (GD) is a comprehensive technique to judge the suitability of an individual and his appropriateness for admission, scholarship, job, etc. GD assesses the overall personality – thoughts, feelings and behaviour - of an individual in a group.

A case study is an in-depth study of one person, group, or event. In a case study, nearly every aspect of the subject's life and history is analyzed to seek patterns and causes of behavior.

Q1. After the initial rounds of candidate selection, every company holds an HR interview round to get to know the potential candidates personally. An HR interview's main aim is to judge the candidates' persona...read more
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Q2. Here's how you can pass your HR interview:
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Written/Aptitude test: The first round for most of the companies is written round. ...
Technical interview Round: The next round is a technical interview. ...
HR interview round: The HR interview round is the last round where candidates are judged on the basis of their communication skills, soft skills, confidence level, etc.

Q1. Tell me about yourself.
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Q1. Which the biggest animal
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The blue whale is the largest animal on Earth.
• The blue whale can grow up to 100 feet long and weigh up to 200 tons.

• It is larger than any dinosaur that ever lived.

• Blue whales primarily feed on krill, consuming up to 4 tons of it per day.

• They have a heart the size of a small car and a tongue that weighs as much as an elephant.

• Blue whales are found in oceans around the world.
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Q2. Which is the biggest wall
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The Great Wall of China is the biggest wall.
• The Great Wall of China is the longest wall in the world, stretching over 13,000 miles.

• It was built to protect China from invasions and is a UNESCO World Heritage Site.

• The wall is made of stone, brick, tamped earth, wood, and other materials.

• It is an iconic symbol of China and attracts millions of tourists every year.
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Q3. Which is the biggest tower
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The Burj Khalifa is the tallest tower in the world.
• The Burj Khalifa in Dubai, United Arab Emirates, is currently the tallest tower in the world.

• It stands at a height of 828 meters (2,717 feet) and has 163 floors.

• The tower was completed in 2010 and is a popular tourist attraction.
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