GHCL Limited Electrical Engineer Interview Questions and Answers

Q1. Your Previous plant System
Ans. 
I previously worked on a power plant system that utilized renewable energy sources.
• Designed and implemented a solar panel system to supplement the plant's energy needs

• Installed wind turbines to generate additional power

• Implemented a battery storage system to store excess energy for later use
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Q2. Questions Related your CV and Job profile
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Q1. What is your family background?
Ans. 
My family background is diverse and includes professionals from various fields.
• My father is a mechanical engineer and my mother is a teacher.

• My uncle is a software engineer and my aunt is a doctor.

• My grandfather was an electrical engineer and my grandmother was a pharmacist.

• My cousin is studying to become a civil engineer.
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Q2. What are your salary expectations?
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I expect a competitive salary that reflects my skills, experience, and the responsibilities of the position.
• I am looking for a salary that is in line with industry standards and the average salary for an electrical engineer in this location.

• I would like to discuss the salary range for this position and negotiate based on my qualifications and the value I can bring to the company.

• I am open to considering other benefits ...read more
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Q1. What kind of test to be conducted for transformer oil and what is significant out gases
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Transformer oil should be tested for dielectric strength, acidity, water content, and dissolved gas analysis. Significant out gases include methane, ethylene, and acetylene.
• Dielectric strength test measures the ability of the oil to withstand electric stress without breaking down.

• Acidity test determines the level of acidic compounds present in the oil, which can degrade insulation.

• Water content test checks for moisture...read more
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Q2. Explain signal line diagram of substation
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A signal line diagram of a substation is a schematic representation of the electrical connections and components within the substation.
• It shows the interconnection between various devices such as transformers, circuit breakers, relays, and meters.

• The diagram includes details of control circuits, protection systems, and communication networks within the substation.

• Signal line diagrams help in understanding the flow of s...read more
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Q1. Star delta panel digram
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Q2. Star delta pannel digram etc
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Q3. Fan winding work etc
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Q4. House wiring etc
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Q5. Motor connects & sensor connects
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Q1. Motor specifications, VFDs types and programming
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Q2. Single line diagram, load pattern,
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Q1. Previous salary structure, expectations
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Q1. What is difference between dry type and oil type
Ans. 
Dry type and oil type are two types of transformers based on the insulation used.
• Dry type transformers use air as insulation while oil type transformers use oil as insulation.

• Dry type transformers are safer and more environmentally friendly than oil type transformers.

• Oil type transformers are more efficient and can handle higher loads than dry type transformers.

• Dry type transformers are typically used in indoor applica...read more
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Q2. What is the power factor and how it will maintain
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Power factor is the ratio of real power to apparent power in an AC circuit. It can be maintained by using capacitors or inductors.
• Power factor is a measure of how efficiently electrical power is being used

• It is expressed as a decimal or a percentage

• A power factor of 1 means all the power is being used efficiently

• A power factor less than 1 means some power is being wasted

• Capacitors or inductors can be used to correct po...read more
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Q3. Diesel Generator synchronisation
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Test is basically check your problem solving ability and check verbal ability
And also check technical and
Logical knowledge

Q1. What is the elwctrical energy?
Ans. 
Electrical energy is the energy carried by moving electrons in an electric conductor.
• Electrical energy is a form of energy that results from the movement of charged particles.

• It is measured in joules (J) or kilowatt-hours (kWh).

• Examples of electrical energy include lightning, batteries, and power plants.

• It can be converted into other forms of energy, such as mechanical energy or heat energy.

• Electrical energy is essenti...read more
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Q2. Transformer losses and other questions related to transform
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Q1. What is your family background?
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Q2. What are your strengths and weaknesses?
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Q3. Tell me about yourself.
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Q4. What do you do yo improve your self (Work on Weakness)
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It is from the indiabix website

Q1. Introduction about ur self
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Q2. Resume based questions
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