HESCO and NTDC Interview Questions 2023

HESCO & NTDC Interview Questions 2023

Following questions could also be ask on different disco's i.e lesco, fesco, mepco, sepco etc..

Interview 1:


Can you please introduce yourself?

Can you tell me about the power sector?

What is an autotransformer, and what are its advantages and disadvantages?

How is a power transformer protected?

What is a tap changer in a power transformer, and what are the types?

What are lightning arrestors and surge arrestors, and where are they used in substations?

Can you tell me about the Hesco circles district related and subdivision?

What does the term "computer" stand for?

What is the last sura of the Quran, and is it Madni or Makki?

What is the difference between Fajr Azan and the remaining Azans?

Are you willing to join Hesco because you are from KPK?

Interview 2:


Can you introduce yourself?

What are control systems, and how do they work?

What is the difference between a relay and a circuit breaker?

Can you explain what a relay is and what the different types are?

What is a distance relay, and what are the different types of distance relays?

How do we use distance relays in Tx line?

What are the duties of an SDO?

What do you know about Hesco?

Can you answer a few job-related questions?

Why are 3-phase systems used instead of 5 or 7-phase systems?


Interview 3:


Can you please introduce yourself?

Who is the caretaker CM of KPK?

Who is the Chairman of NAB?

What is the difference between a fuse and a circuit breaker?

What is the difference between a capacitor and a battery?

What are the different types of batteries?

What is the difference between resistance and a transistor?

What is a bundled conductor?

Can you explain the Faraday effect and skin effect?

How is transformer protection achieved, and which oil is used for transformer protection?

What do you know about AEDB?

What do you know about Hesco?

What is the main difference between a motor and a generator?

Interview 4:


Can you introduce yourself?

What is demand factor?

What is diversity factor?

What are synchronization parameters?

Can you answer a few job-related questions?

What is an autotransformer, and what are its disadvantages?

Why are autotransformers preferred?

Can you explain the star delta connection and the differences between phase and line voltages and currents?

What is the Faraday effect?

What are shunt reactors, and how do they work?

Can you explain load factor, diversity factor, and demand factor?

Interview 5:


Can you please introduce yourself?

Can you tell me about your final year project?

Can you explain the Faraday effect?

What are the different power system components?

What are the differences between a motor and a generator?

Can you describe the cooling system of a transformer?

What is touch potential?

What does the term "computer" stand for?

Who is the Chairman of NAB?

What is the fifth kalma?

Interview 6:


Can you tell me about your interview experience?

Can you explain touch potential and step potential?

Can you describe Pythagoras' Theorem?

What are the objectives of a power system?

Can you calculate the area of a triangle?


NTDC Interviews:

Introduction:

  • What is your name?
  • What is your family background?
  • Where do you live?
  • What are your personality traits?
  • What is one strength and one weakness/fault?
  • What are some technical questions that were asked?

  • What is the meaning of "Alvi"?
  • Current job related questions
  • FYP related questions (Transmission lines)
  • What is meant by symmetrical components of unsymmetrical fault?
  • In a line to ground fault, does zero sequence fault flow occur?
  • If there is no neutral, does zero sequence fault flow occur?
  • If a fault occurs in one phase, what will be the components of fault current in the remaining phases?
  • Draw the symmetrical components of an L-G fault.
  • What does NTDC do?
  • How will you be beneficial for NTDC?
  • What is the role of NEPRA?
  • What is the role of CPPA?
  • What is the source of revenue generation?
  • What is circular debt?
  • Why is it called circular debt?
  • What is VAR?
  • Is VAR consumable or not?
  • What is switchgear?
  • What is the difference between GIS and AIS?
  • Which is more costly?
  • Does power transformer come under switchgear?
  • What is your name?
  • What is your city?
  • What is grid visit?
  • Tell me about Sakhi Sarwar (related to grid visit)
  • What is your family background?
  • What is a surge arrester?
  • What types of surges does it protect against?
  • What is the switching voltage required for it to operate?
  • What is a shunt reactor?
  • What is GIS?
  • What is an autotransformer?
  • In HVAC or HVDC, in which one do losses occur more?
  • What are spinning reserves?
  • What are VARs?
  • How do you absorb VARs?
  • What do you connect when you want to inject VARs?
  • If you get posted in Balochistan, will you go?
  • Tell me about your interview experience.

Interview Experience:

  • What are your test marks and CGPA?
  • Some questions related to previous experiences.
  • Tell us about instrument transformers.
  • What happens when we short the secondary of CT and PT?
  • What are the functioning of CT and PT?
  • What is parallel operation of transformers?
  • What are the types of transformers?
  • What are the types of circuit breakers?
  • Where was the Football World Cup held?
  • How much money did Pakistan receive in the World Cup?
  • Do you know about SAS?
  • What is ATS and how is it related to your job?
  • What is NEPRA and what are its functions?
  • What is fault level?
  • Where are you from?
  • Introduction:
  • What is your name?
  • What is your family background?
  • Which specialization courses did you take in your degree?
  • What is the max limit value for the material core?
  • How does a synchronous motor work and where does the magnetic field come from?
  • What is the process of electromagnetic induction?
  • What are symmetrical and unsymmetrical faults?
  • What are the symmetrical components of unsymmetrical faults?
  • What are the losses in transmission lines?
  • What is one use of corona?
  • What is the skin effect and how does it affect transmission lines?
  • Who is the head of the electrical department?
  • What is the abbreviation and responsibilities of NEPRA?
  • What does your father do?
  • What are your strengths and weaknesses?
  • What are your hobbies?
  • Tell me about your FYP.


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