Lupin Electrical Engineer Interview Questions and Answers for Experienced

Basic appti ques were asked

Q1. Basic knowledge about electrical engineering is must to clear it
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Q2. What is transformer types
Ans. 
Transformer types include step-up, step-down, isolation, autotransformer, and instrument transformer.
• Step-up transformer increases voltage while decreasing current

• Step-down transformer decreases voltage while increasing current

• Isolation transformer separates primary and secondary windings

• Autotransformer has a single winding with multiple taps for voltage adjustment

• Instrument transformer is used for measuring current or
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Q3. Motors & it's types
Ans. 
Motors are devices that convert electrical energy into mechanical energy. There are various types of motors.
• DC motors: used in appliances, toys, and automobiles

• AC motors: used in industrial machinery and household appliances

• Stepper motors: used in robotics and automation

• Servo motors: used in precision control applications

• Brushless motors: used in drones and electric vehicles
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Q1. What is the SI unit Force
Ans. 
The SI unit of force is the newton (N).
• The SI unit of force is named after Sir Isaac Newton, a renowned physicist and mathematician.

• The newton is defined as the force required to accelerate a one-kilogram mass by one meter per second squared.

• Force can be measured using various instruments such as spring scales, strain gauges, or load cells.

• Examples of forces include gravity, friction, tension, and compression.

• Other com...read more
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Q2. What is the SI unit Power
Ans. 
The SI unit for power is the watt (W).
• Power is the rate at which work is done or energy is transferred.

• The watt is defined as one joule per second.

• Power can be calculated by multiplying voltage and current.

• Examples of power units include kilowatts (kW) and megawatts (MW).
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Q1. All technical questions in a walkin interview.
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Q1. All detailed questions & HR round together.
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Q1. Final technical round with DGM & Head level.
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Q1. With Site Head.
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Q1. About the power system and equipment maintenance
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Q2. Operational excellence initiatives.
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Q1. Introduction, communication skill, current ctc, expected ctc
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Q1. Guidelines, sops, cGxP, skill
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