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Power Grid Corporation of India Field Engineer Interview Questions, Process, and Tips

Updated 14 May 2024

Top Power Grid Corporation of India Field Engineer Interview Questions and Answers

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Power Grid Corporation of India Field Engineer Interview Experiences

5 interviews found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Selected Selected

I applied via Approached by Company

Round 1 - Technical 

(1 Question)

  • Q1. Transformer working Principal
  • Ans. 

    Transformer works on the principle of electromagnetic induction to transfer electrical energy between two or more circuits.

    • Transformers have two coils of wire, known as primary and secondary coils.

    • When an alternating current flows through the primary coil, it creates a changing magnetic field.

    • This changing magnetic field induces a voltage in the secondary coil, transferring electrical energy.

    • Transformers are used to st...

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Transmission and distribution realted question

Field Engineer Interview Questions Asked at Other Companies

asked in Jio
Q1. What is insulator and conductors and semiconductors
Q2. What should be the tan Delta value of electrical equipment (for e ... read more
Q3. What is the ground clearance of 400KV transmission line.
Q4. Why transformer are rated in KVA.
asked in Jio
Q5. What is telecommunication
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Aptitude Test 

CBT at designated venue as fixed by PGCIL and will be mentioned in the admit card.

Round 3 - Technical 

(2 Questions)

  • Q1. Basic Electrical Engineering, Power Transmission and Distribution Networks, various equipments used in Power Systems, HR Question etc.
  • Q2. What are the various types of conductors and details?
  • Ans. 

    Various types of conductors include copper, aluminum, and steel.

    • Copper: highly conductive, commonly used in electrical wiring

    • Aluminum: lighter and cheaper than copper, used in power lines

    • Steel: used in overhead transmission lines for strength and durability

  • Answered by AI

I applied via Recruitment Consultant and was interviewed in Dec 2021. There was 1 interview round.

Interview Questionnaire 

10 Questions

  • Q1. Why transformer are rated in KVA.
  • Ans. 

    Transformers are rated in KVA because it represents the apparent power they can handle.

    • KVA stands for kilovolt-ampere, which is a unit of apparent power.

    • Transformers are designed to handle a certain amount of power, and the KVA rating indicates their capacity.

    • The KVA rating takes into account both the voltage and current that the transformer can handle.

    • It helps in determining the appropriate size and capacity of the tr...

  • Answered by AI
  • Q2. What is the ground clearance of 400KV transmission line.
  • Ans. 

    The ground clearance of a 400KV transmission line varies depending on various factors.

    • The ground clearance of a transmission line is the vertical distance between the lowest point of the conductor and the ground.

    • The ground clearance is determined based on safety regulations and requirements.

    • Factors that influence the ground clearance include terrain, vegetation, and proximity to buildings or roads.

    • In hilly areas, the g...

  • Answered by AI
  • Q3. What should be the tan Delta value of electrical equipment (for example T/F).
  • Ans. 

    The tan Delta value of electrical equipment should be as low as possible.

    • Tan Delta is a measure of the dielectric losses in electrical equipment.

    • A low tan Delta value indicates that the equipment has good insulation properties.

    • The tan Delta value can be affected by factors such as temperature, moisture, and aging of the equipment.

    • For transformers, a typical tan Delta value is around 0.001 or lower.

  • Answered by AI
  • Q4. Why ACSRinvar conductor are widely used in metro principal city.
  • Ans. 

    ACSRinvar conductors are widely used in metro principal cities due to their high strength and low thermal expansion.

    • ACSRinvar conductors have a high tensile strength, making them suitable for long-distance transmission lines in metro cities.

    • They have a low coefficient of thermal expansion, which helps in reducing sagging of the conductors and maintaining power transmission efficiency.

    • The use of ACSRinvar conductors in ...

  • Answered by AI
  • Q5. The Basis setting of REF protectionfor transformer should be how much.
  • Ans. 

    The Basis setting of REF protection for a transformer should be determined based on the transformer's characteristics and the system requirements.

    • The basis setting of REF (Restricted Earth Fault) protection for a transformer is typically determined by considering the transformer's winding configuration, impedance, and the system's fault level.

    • The setting should be chosen to ensure that the protection operates reliably ...

  • Answered by AI
  • Q6. The SF6 gas used for Ckt breaker chamber should be how much bar.
  • Ans. 

    The SF6 gas used for Ckt breaker chamber should be maintained at a pressure of around 5-7 bar.

    • The SF6 gas in the circuit breaker chamber should be maintained at a specific pressure to ensure proper functioning.

    • The recommended pressure for SF6 gas in the circuit breaker chamber is typically between 5 and 7 bar.

    • Maintaining the correct pressure helps in extinguishing the arc during circuit interruption.

    • Too low or too high...

  • Answered by AI
  • Q7. Why star star zero phase shift transformer winding are used.
  • Ans. 

    Star-star zero phase shift transformer windings are used to provide a balanced three-phase output with zero phase shift between primary and secondary voltages.

    • Star-star zero phase shift transformer windings are commonly used in power distribution systems.

    • They are used to supply power to three-phase loads such as motors, generators, and transformers.

    • The windings are designed in such a way that the voltages in the primar...

  • Answered by AI
  • Q8. What are the main difference between AIS and GIS Substation.
  • Ans. 

    AIS and GIS substations differ in their construction and insulation methods.

    • AIS (Air Insulated Substation) uses air as the insulation medium, while GIS (Gas Insulated Substation) uses SF6 gas.

    • AIS substations require larger land areas compared to GIS substations.

    • GIS substations are more compact and can be installed in urban areas where space is limited.

    • AIS substations are more susceptible to environmental factors like p...

  • Answered by AI
  • Q9. Why vibration damper are used with Conductor.
  • Ans. 

    Vibration dampers are used with conductors to reduce the risk of fatigue failure and damage caused by wind-induced vibrations.

    • Vibration dampers absorb and dissipate the energy generated by wind-induced vibrations in conductors.

    • They help to reduce the risk of fatigue failure and damage to the conductor and associated hardware.

    • Vibration dampers are typically installed at regular intervals along the length of the conducto...

  • Answered by AI
  • Q10. What is main function of LA in Substion.
  • Ans. 

    The main function of LA in a substation is to protect electrical equipment from lightning strikes.

    • LA stands for Lightning Arrester.

    • It is installed in substations to divert lightning strikes away from sensitive equipment.

    • LA provides a low-impedance path for lightning current to flow to the ground.

    • It helps in preventing damage to transformers, circuit breakers, and other electrical devices.

    • LA operates by ionizing the air...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - As per my point of view the interview for Electrical Experience Engineer/Manager should be on behalf of Experience and technical topics.

Power Grid Corporation of India interview questions for designations

 Field Supervisor

 (3)

 Field Executive

 (1)

 Electrical Field Engineer

 (1)

 Engineer

 (4)

 Diploma Civil Engineer

 (1)

 Electrical Engineer

 (2)

 Assistant Engineer

 (2)

 Construction Engineer

 (1)

Round 1 - Technical 

(2 Questions)

  • Q1. What's your ambition
  • Q2. What's your goals why you want to go for it

Interview Preparation Tips

Interview preparation tips for other job seekers - Not bad. Better to go for other companies where the job is secure and had good leadership.
Not good for FTE

Get interview-ready with Top Power Grid Corporation of India Interview Questions

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(1 Question)

  • Q1. Smart meter installation process
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Aptitude Test 

Information of transformer , switchgear, electrical safety rules , Indian constitution rules of electricity.

Round 3 - Technical 

(2 Questions)

  • Q1. Types of switchgear and basic knowledge of sweet operation.
  • Ans. 

    Switchgear types include air-insulated, gas-insulated, and hybrid switchgear. Basic operation involves controlling electrical power flow.

    • Air-insulated switchgear uses air as the insulation medium

    • Gas-insulated switchgear uses sulfur hexafluoride (SF6) gas as the insulation medium

    • Hybrid switchgear combines air-insulated and gas-insulated switchgear

    • Switchgear operates by controlling the flow of electrical power

    • Switchgear ...

  • Answered by AI
  • Q2. Different types of transformer and there rating in kv Difference between lv and hv side.
  • Ans. 

    Different types of transformers and their ratings in kV. Explanation of LV and HV sides.

    • Transformers: Power, Distribution, Auto, Isolation, Instrument, etc.

    • Ratings: 1 kV, 11 kV, 33 kV, 66 kV, 132 kV, 220 kV, 400 kV, etc.

    • LV side: Low Voltage side of transformer, typically below 1 kV.

    • HV side: High Voltage side of transformer, typically above 1 kV.

    • LV side is used for distribution while HV side is used for transmission.

    • LV ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - While going to interview be confident.....
Don't be nervous in interview time.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. What are your observations during taking round of your area.
Round 3 - One-on-one 

(1 Question)

  • Q1. What are the factors which affect Power plant efficiency.
  • Ans. 

    Factors affecting power plant efficiency include type of fuel, technology used, maintenance, and operating conditions.

    • Type of fuel used (coal, natural gas, nuclear, etc.)

    • Technology used in the power plant (combined cycle, cogeneration, etc.)

    • Maintenance practices (regular maintenance vs. neglect)

    • Operating conditions (temperature, pressure, load demand)

    • Efficiency of heat transfer processes

    • Size and age of the power plant

    • E...

  • Answered by AI
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Aug 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Boiler operation
  • Q2. MS safety valve working
  • Ans. 

    MS safety valve is a device used to prevent overpressure in a system.

    • MS safety valve is typically installed in pipelines, vessels, or equipment to protect against excessive pressure.

    • When the pressure exceeds the set limit, the valve opens to release the excess pressure and prevent damage to the system.

    • The valve is designed to automatically close once the pressure returns to a safe level.

    • MS safety valves are commonly us...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Operation department is good

I applied via Other and was interviewed before Jul 2017. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. What type of dampings are there in case of vibration.
  • Ans. 

    There are several types of dampings in case of vibration, including viscous damping, hysteretic damping, and structural damping.

    • Viscous damping: It occurs when a fluid or viscous material is used to dissipate energy and reduce vibration.

    • Hysteretic damping: It is caused by the internal friction within a material, which converts mechanical energy into heat.

    • Structural damping: It is inherent in the structure itself and is...

  • Answered by AI

Interview Preparation Tips

General Tips: It was held in Delhi at Nehru palace in year 1985 after an all India written test.I was recruited in ITI Ltd a month before and so was relaxed not to prepare much for the interview. I told the interviewers that I just finished my 2 ND semester of M.Tech. at Itbhu.one member was from IIT Delhi and I could not answer viscous damping, inertial damping etc for his question on types of damping and I was rejected.Selection was made of my 2 years junior of graduation college who too had joined ITI Ltd in 1985.
Skills: Analytical Skills
Duration: >3 Months
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Power Grid Corporation of India Interview FAQs

How many rounds are there in Power Grid Corporation of India Field Engineer interview?
Power Grid Corporation of India interview process usually has 1-2 rounds. The most common rounds in the Power Grid Corporation of India interview process are Technical, Aptitude Test and Resume Shortlist.
What are the top questions asked in Power Grid Corporation of India Field Engineer interview?

Some of the top questions asked at the Power Grid Corporation of India Field Engineer interview -

  1. What should be the tan Delta value of electrical equipment (for example T/...read more
  2. What is the ground clearance of 400KV transmission li...read more
  3. Why transformer are rated in K...read more

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Power Grid Corporation of India Field Engineer Interview Process

based on 8 interviews

1 Interview rounds

  • Technical Round
View more

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Power Grid Corporation of India Field Engineer Salary
based on 209 salaries
₹3.5 L/yr - ₹9 L/yr
87% more than the average Field Engineer Salary in India
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Power Grid Corporation of India Field Engineer Reviews and Ratings

based on 56 reviews

3.9/5

Rating in categories

3.6

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3.4

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3.8

Salary

2.9

Job security

3.5

Company culture

2.7

Promotions

3.4

Work satisfaction

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