JSW Energy Assistant Manager HSE Interview Questions and Answers

Q1. Solar operation and maintenance
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Q2. Solar project electrical engineer
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Q1. Capability curve of Generator
Ans. 
Capability curve of a generator shows the relationship between the electrical output and mechanical input of the generator.
• The capability curve is a graph that shows the maximum electrical output a generator can produce at different mechanical input levels.

• It helps in determining the operating limits of the generator and ensures it is not overloaded.

• The curve typically shows the maximum power output, rated power output...read more
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Q2. All Protection of Generator
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All protection of a generator is essential to ensure its safe and efficient operation.
• Overcurrent protection to prevent damage from excessive current flow

• Overvoltage protection to safeguard against voltage spikes

• Underfrequency protection to prevent damage during frequency deviations

• Reverse power protection to prevent generator from acting as a motor

• Earth fault protection to detect ground faults and protect equipment

• Tem...read more
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Q3. Transformers testing
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Q1. About plc & automation
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Q2. About vfd working & how it works
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Q3. About type of sensors
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Q4. About star delta power & control wiring
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Q5. About how to measure parameter of your plantequipment performance
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Q1. Technical stuff
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Q1. Technical stuff related to current job
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Q1. Background and about your self
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Q2. Why looking for change
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Q1. Like what is your work experience. Are you willing to climb twice in a day .
Ans. According to your experience needs to give answers Second question- yes
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Q2. Are you willing to work if require to support near by site .
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Q1. As per your experience as previous company they asked questions, but more focos on safety .
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Q2. What is LOTO , Types of LOTO
Ans. 
LOTO stands for Lockout/Tagout, a safety procedure used to ensure that dangerous machines are properly shut off and not started up again prior to the completion of maintenance or servicing work.
• LOTO involves locking the energy isolating devices with an assigned individual lock and tag to prevent the machine from being turned on.

• Types of LOTO include electrical LOTO, mechanical LOTO, and pneumatic LOTO.

• Examples of LOTO ...read more
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Q1. Previous experiences questions, like DFIG , Converter system, power factor , transformer , lighting system, Earthing system .
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Normal discussion with seniors

Q1. Salary discussion and joining details
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Q1. Types of insulator and their requirements
Ans. 
Insulators are materials used to prevent the flow of electricity. They must have high resistivity, mechanical strength, and thermal stability.
• Types of insulators include porcelain, glass, polymer, and ceramic.

• Requirements for insulators include high resistivity to prevent leakage current, mechanical strength to withstand mechanical stress, and thermal stability to withstand temperature variations.

• Examples of insulators...read more
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Q2. How the wind turbine works?
Ans. 
Wind turbines convert the kinetic energy of the wind into mechanical power, which is then converted into electricity.
• Wind turns the blades of the turbine

• Blades are connected to a rotor

• Rotor spins a generator to produce electricity

• Electricity is then sent to the grid for distribution
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Q3. Types of generator, types of cb,
Ans. 
Types of generators include diesel, gas, and wind generators. Types of circuit breakers include air, oil, and vacuum circuit breakers.
• Types of generators: diesel, gas, wind

• Types of circuit breakers: air, oil, vacuum
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Q4. Diffrenece betwween isolator and cb
Ans. 
Isolator is used for isolating a circuit whereas circuit breaker is used for breaking a circuit during fault conditions.
• Isolator is a mechanical switch used for isolating a circuit from the power source.

• Circuit breaker is an electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit.

• Isolators do not have any interrupting capacity, while circuit breakers can interrupt the...read more
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It was very easy ,duration 45 min for 30 questions

Q1. It was of moderate level 2-3 questions
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Q2. What is your name
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Q1. All electrical panel HT <
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