JSW Energy Diploma Electrical Engineer Interview Questions and Answers

Q1. Solar energy related all safety equipment knowledge and pv o&m all activities high knowledge and 3 year O&M experience for solar
Ans. Havy knowledge solar pv side and 3 year experience solar energy o&m and best experience safety Rules
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Q2. Solar field related all questions asked for me
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There firstly was conducted aptitude test in this test we got 25 techanical question, 10 general English language questions and 10 general aptitude questions.

Q1. What is the use of star delta connection in electrical ?
Ans. 
Star delta connection is used to start high power motors with reduced starting current and torque.
• Reduces starting current and torque

• Used for high power motors

• Improves motor efficiency

• Reduces voltage drop during starting

• Reduces stress on motor windings

• Example: Starting a large induction motor in an industrial setting
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Q2. What Kinds of Cables Are Used for Power Transmissions?
Ans. 
Different types of cables are used for power transmission, including overhead lines, underground cables, and submarine cables.
• Overhead lines are commonly used for power transmission over long distances.

• Underground cables are used in urban areas where overhead lines are not feasible.

• Submarine cables are used for power transmission between islands or across bodies of water.

• Different types of cables, such as aluminum cabl...read more
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Q3. Mention what is the difference between generator and alternator ?
Ans. 
Generators and alternators are both electrical machines that convert mechanical energy into electrical energy, but they differ in their construction and working principles.
• Generators produce direct current (DC) while alternators produce alternating current (AC).

• Generators use a commutator and brushes to convert mechanical energy into electrical energy, while alternators use slip rings and brushes.

• Generators are typical...read more
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We got a topic for group discussion , " what is profit and loss to remove article 370 from kasmir " .

Q1. What is your interest
Ans. 
My interest lies in the field of electrical engineering, specifically in designing and implementing innovative solutions.
• Passionate about exploring new technologies and advancements in electrical engineering

• Enjoys problem-solving and finding efficient solutions to complex electrical engineering challenges

• Interested in designing and optimizing electrical systems for maximum efficiency and sustainability

• Fascinated by the...read more
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Q2. Why we will select you for our company
Ans. 
I have a strong educational background and relevant experience in the electrical engineering field.
• I have completed a diploma in electrical engineering, which has provided me with a solid foundation in the subject.

• I have gained practical experience through internships and projects, where I have successfully applied my knowledge to solve electrical engineering problems.

• I have a strong understanding of electrical systems...read more
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Q1. Tell me about yourself.
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Q1. Any questions in MPPTCL
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Q2. Any questions in madhya Pradesh power transmission company limited
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Q3. Madhya Pradesh power transmission company limited
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Q4. Anything in substation
Ans. 
A substation is a part of an electrical generation, transmission, and distribution system that transforms voltage levels.
• Substations are used to control and distribute electrical power.

• They contain transformers to change voltage levels.

• Substations may have circuit breakers to protect against faults.

• They can be indoor or outdoor installations.

• Substations play a crucial role in the power grid.

• Examples of substations incl...read more
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Q1. What is vfd principal working and protection in moter
Ans. 
VFD stands for Variable Frequency Drive which controls the speed of an AC motor by varying the frequency and voltage of the power supplied to the motor.
• VFD controls the speed of an AC motor by adjusting the frequency and voltage of the power supplied to the motor.

• It helps in saving energy by matching the motor speed to the actual load requirements.

• VFD provides protection to the motor by monitoring parameters like curre...read more
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Q1. Solar field and transformer and other solar
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Q2. Total solar field nollage
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This has two papers one technical and one non technical
Technical has only two subjects machines and power systems 100 ques 1 hour.
Non technical exam has 50 ques 1/2hour.

Q1. Share details of your previous job.
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Q2. Why should we hire you?
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Q3. What are your strengths and weaknesses?
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Q4. Tell me about yourself.
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Q1. Star delta connection Distribution transformer Colorcoding of conductor Earthing vs grounding Ques on machine efficiency and stability.
Ans. 
Questions related to electrical engineering concepts such as star delta connection, distribution transformer, color coding of conductor, earthing vs grounding, machine efficiency and stability.
• Star delta connection is a method of starting three-phase induction motors.

• Distribution transformer is used to step down high voltage to low voltage for distribution purposes.

• Color coding of conductor is used to identify the func...read more
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