NHPC Interview Questions

Excerpts from Interview #1:

(A B.Engg ECE student from Panjab University with 7.34 CGPA and having 87.5 % in 12th and 90 % in 10th standard.)

Technical Interview:

Why we generate 11 KV power supply in generating station?
If single phase is having 220 volts supply then why three phase is having 440 volts instead of 660 volts?
What's the difference between voltage & current & emf?
Why can not you store AC power in battery like DC power?
Why doesnt a transformer have a starter?

HR Interview:

Tell something about yourself.
Why do you want to work for NHPC?
What do you know about NHPC?

Excerpts from Interview #2:

(A B.Engg. EEE student from Panjab University with profile as 6.18 CGPA and having 71.4 % in 12th and 89.7 % in 10th.)

Technical interview:

How we calculate the spacing between the conductors in 11,33KV lines?
What is the basic difference between synchronous motor, synchronous generator and induction motor?
Why capacitor bank always connected in delta, why not in star to a system?
What is rise time and half time?

HR Interview:

Are you good at working in a team?
What is the most difficult thing about working with you?
How do you think you can make a contribution to NHPC?

NHPC Preparation Links

Excerpts from Interview #3:

(A B.Engg. ECE student from Panjab University with profile as 7.3 CGPA and having 89.4 % in 12th and 86 % in 10th.)

Technical interview:

What is capacitor voltage transformer? How it is different from potential transformer?
In 400 KV system why should we trip both side CB when we give hand trip?
How do we calculate the spacing between the conductors in 11,33KV lines?
What is AVR? Explain the function AVR?

HR Interview:

Introduce yourself.
How do you establish good communication and information flow with others?
Give an example of how you worked on team.
Tell me about your proudest achievement.

Excerpts from Interview #4:

(A B.Engg. ECE student from Panjab University with profile as 7.64 CGPA and having 71.4 % in 12th and 89.7 % in 10th.)

Technical interview:

State sampling theorem.
What is cut off frequency?
What is pass band?
What is modulation and demodulation?
What is a repeater?

HR Interview:

What are your plan for the next 5 years?
Will you go for higher studies?
If you are given option for MBA or job what will you choose?

Excerpts from Interview #5:

(A B.Engg. ECE student from Panjab University with profile as 7.25 CGPA and having 78.5 % in 12th and 85 % in 10th.)

Technical interview:

What is function of an op amp?
What is the difference between CDMA, TDMA, and FDMA?
Give an example of a closed loop automatic system?
What is the difference between JFET and MOSFET?

HR Interview:

Introduce yourself.
Why didn't you join a private company?
Are you a team player?
Any queries?

Excerpts from Interview #6:

(A B.E. ECE student having 10th grade - 92.4%, 12th grade - 86%, Graduation score - 65.4%)

Technical interview:

What do you mean by operator overloading?
State three differences between Dbms and Rdbms?
What is the difference between ddl,dml and dcl commands?
State what is encapsulation and friend function?
What is the difference between function overloading and over riding?

HR Interview:

Introduce yourself?
Can strength be a weakness?
Why NHPC?
What are your expectations from the company?
Do you have any questions for us?

Excerpts from Interview #1:

Excerpts from Interview #2:

Excerpts from Interview #3:

Excerpts from Interview #4:

Excerpts from Interview #5:

Excerpts from Interview #6:

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