Reliance Power Mechanical Engineer Interview Questions and Answers

Basic Electrical knowledge of electrical power system and protection.

Q1. About technical knowledge.
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Q2. About Internships and some other technical question about Power electronics and Protection system
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Q1. About locality and why i want to join the company.
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Q1. What are the Various ways of distribution Transformer protection?
Ans. 
Various ways of distribution transformer protection include overcurrent protection, differential protection, and earth fault protection.
• Overcurrent protection involves the use of fuses or circuit breakers to protect the transformer from excessive current.

• Differential protection compares the current entering and leaving the transformer to detect any internal faults.

• Earth fault protection detects any fault between the tr...read more
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Q2. What is Buckley relay?
Ans. 
Buckley relay is a protective relay used in power systems to detect faults and prevent damage to equipment.
• It is a type of directional overcurrent relay.

• It operates based on the principle of phase comparison.

• It is used to protect generators, transformers, and transmission lines.

• It is named after its inventor, W. H. Buckley.

• It is commonly used in high voltage power systems.
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Q3. What is the size of dog conductor?
Ans. 
The size of dog conductor depends on the current carrying capacity and the voltage rating of the electrical system.
• The size of the dog conductor is determined by the electrical load it needs to carry.

• The current carrying capacity of the conductor is directly proportional to its size.

• The voltage rating of the electrical system also plays a role in determining the size of the conductor.

• For example, a 20-ampere circuit re...read more
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Q1. What are various Types of earthing?
Ans. 
Earthing is the process of connecting the metallic parts of an electrical appliance to the earth plate.
• Plate Earthing

• Pipe Earthing

• Rod Earthing

• Strip Earthing

• Earthing through Water Mains

• Earthing through Earth Electrodes

• Earthing through Foundation

• Plate Earthing with Pipe

• Chemical Earthing
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Q2. How do we do pipe earthing?
Ans. 
Pipe earthing is done by connecting the pipe to a copper electrode buried in the ground.
• Select a suitable location for the copper electrode

• Dig a hole and insert the copper electrode into it

• Connect the pipe to the copper electrode using a copper wire

• Ensure that the connection is tight and secure

• Cover the hole with soil and water it to ensure good contact between the electrode and the soil
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Q1. Why do you want to this organisation?
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General aptitude test

Q1. Electrical related questions
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Q2. Core electrical subject
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100 marks test and no negative marking.

Q1. Basic technical questions asked
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Q1. What is your long term goal?
Ans. 
My long term goal is to become a respected leader in the field of engineering, leading innovative projects and making a positive impact on society.
• Continuously improve my technical skills and knowledge through advanced education and training

• Take on increasing levels of responsibility and leadership roles within the engineering industry

• Contribute to the development of groundbreaking technologies and solutions that addre...read more
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Q1. Previous experience and education
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Q2. Salary discussions
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Q1. Related to distribution
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Q2. Metering knowledge
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Q1. General discussion and communication skills
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Q2. Family background
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