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NTPC Electrical Technician Interview Questions and Answers
NTPC Electrical Technician Interview Experiences
1 interview found
I applied via Approached by Company and was interviewed before May 2021. There were 2 interview rounds.
(4 Questions)
- Q1. What is isolator ? Answer:- आइसोलेटर एक स्विचिंग डिवाइस है जो एक सर्किट में विद्युत प्रवाह को बनाने और तोड़ने की पेशकश करता है।
- Q2. What is circuit breaker?
- Ans.
A circuit breaker is an electrical switch that automatically interrupts the flow of current in a circuit.
It is designed to protect electrical circuits from damage caused by excessive current or short circuits.
When the current exceeds a certain limit, the circuit breaker trips and interrupts the flow of electricity.
It can be manually reset after tripping or may automatically reset once the fault is cleared.
Circuit break...
- Q3. What is transformer? Answer:- ट्रांसफार्मर एक ऐसा विद्युत यंत्र है जो कि AC सप्लाई की फ्रीक्वेंसी को बिना बदले उसे कम या ज्यादा करने के लिए इस्तेमाल किया जाता है.
- Q4. What is the step up and step down transformer?
- Ans.
Step up and step down transformers are used to increase or decrease the voltage in electrical systems.
Step up transformers increase the voltage from the input to the output.
Step down transformers decrease the voltage from the input to the output.
Step up transformers have more turns in the secondary coil than in the primary coil.
Step down transformers have fewer turns in the secondary coil than in the primary coil.
Step ...
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Interview Questionnaire
1 Question
- Q1. What is multimeter
- Ans.
A multimeter is an electronic device used to measure voltage, current, and resistance in electrical circuits.
It can measure AC and DC voltage
It can measure AC and DC current
It can measure resistance
It can also measure other electrical parameters such as capacitance and frequency
It typically has a digital display for easy reading
Examples of multimeter brands include Fluke, Klein Tools, and Extech
Electrical Engineer Interview Questions & Answers
Power Grid Corporation of India
Anonymous
posted on 4 Feb 2025
Selected
I was interviewed before Feb 2024.
(1 Question)
- Q1. About electrical engineering questions related to power system and machine mostly
Related to a recent issue.
Interview Preparation Tips
Electrical Engineer Interview Questions & Answers
Power Grid Corporation of India
Anonymous
posted on 31 Dec 2022
Selected
I was interviewed in Jul 2022.
(2 Questions)
- Q1. 400 kv hardware detected
- Ans.
400 kv hardware detected - need more context to provide answer
What type of hardware is being referred to?
What is the context of the detection?
What are the potential implications of the detection?
What steps need to be taken next?
- Q2. All 400 kv 220 kv line Hardware knowledge
Interview Preparation Tips
(2 Questions)
- Q1. Solar operation and maintenance
- Q2. Solar project electrical engineer
Interview Preparation Tips
I applied via Approached by Company and was interviewed in Apr 2022. There were 2 interview rounds.
He asked me technical questions
Interview Preparation Tips
I applied via LinkedIn and was interviewed in Mar 2022. There were 2 interview rounds.
(3 Questions)
- Q1. Brief introduction with Experience
- Q2. About you parent experience
- Q3. Transformer Test, BDB value, type of relay, types of pole use in 33kv, High, conductor ground clearance,
- Ans.
Answering questions related to transformer tests, BDB value, relay types, pole types, and conductor ground clearance in 33kv.
Transformer tests include insulation resistance, turns ratio, and polarity tests.
BDB value refers to the breakdown voltage of insulating oil.
Types of relays include overcurrent, differential, and distance relays.
Types of poles used in 33kv include wooden, steel, and concrete poles.
Conductor groun...
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- Transmission and distribution
- Switch gear and protection
Interview Questionnaire
1 Question
- Q1. Power system
I applied via Walk-in and was interviewed in Jan 2023. There were 3 interview rounds.
(1 Question)
- Q1. About safety and electrical engineering
(1 Question)
- Q1. Technical questions regarding electrical
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Jan 2021. There was 1 interview round.
Interview Questionnaire
4 Questions
- Q1. TRANSMISSION AND DISTRIBUTION OF ELECTRICITY (HT AND LT)
- Q2. POWER SYSTEM
- Q3. TRANSMISSION LINE
- Q4. LT LINE
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