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NTPC Diploma Trainee Engineer Interview Questions and Answers
NTPC Diploma Trainee Engineer Interview Experiences
1 interview found
Selected
I applied via LinkedIn
My aptitude test should be taken from Math Science.
(4 Questions)
- Q1. Electrical engineering
- Q2. What is a transformer?
- Q3. How does a thermal power plant work ?
- Q4. What is the difference between high voltage transmission line and low voltage transmission line?
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Interview questions from similar companies
Selected
I applied via LinkedIn and was interviewed in Oct 2024. There was 1 interview round.
(2 Questions)
- Q1. What is transformer?
- Ans.
A transformer is a static electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
Consists of two or more coils of insulated wire wound around a core
Primary coil receives electrical energy and induces a magnetic field in the core
Secondary coil receives the magnetic field and converts it back into electrical energy
Used in power distribution, voltage regulation, a...
- Q2. What is transformer principle?
- Ans.
Transformer principle is based on the phenomenon of electromagnetic induction, where changing magnetic field induces voltage in a coil.
Transformers work on the principle of electromagnetic induction
They consist of two coils, primary and secondary, linked by a magnetic core
When alternating current flows through the primary coil, it creates a changing magnetic field
This changing magnetic field induces a voltage in the se...
Interview Preparation Tips
- Related to electrical
Selected
I applied via Company Website and was interviewed in Jul 2024. There was 1 interview round.
(1 Question)
- Q1. Power plants supply working
- Ans.
Power plants supply electricity to meet the demand of consumers and industries.
Power plants generate electricity through various methods such as burning fossil fuels, nuclear reactions, or renewable sources like wind or solar power.
The electricity generated is transmitted through power lines to homes, businesses, and industries.
Power plants play a crucial role in ensuring a reliable supply of electricity to meet the ne...
Diploma Trainee Engineer Interview Questions & Answers
Siemens Energy
Raj Santosh Dhande
posted on 28 Nov 2023
Selected
I applied via campus placement at Government Polytechnic, Jalna and was interviewed in May 2023. There were 3 interview rounds.
About substation details, Components working
Preparation of interview with best regards
Interview Preparation Tips
- Substation
Diploma Mechanical Engineer Interview Questions & Answers
Adani Group
Anonymous
posted on 29 Feb 2024
Selected
I applied via Company Website
(5 Questions)
- Q1. Rotary and static equipment
- Q2. Pump and vessel experience
- Ans.
I have experience working with pumps and vessels in various projects during my diploma in Mechanical Engineering.
I have hands-on experience in designing, installing, and maintaining pumps and vessels for different industrial applications.
I am familiar with different types of pumps such as centrifugal pumps, reciprocating pumps, and gear pumps.
I have worked on sizing and selecting pumps based on the flow rate, head, and...
- Q3. Rotary and static equipment pump gearbox
- Q4. Exchanger and colme
- Q5. Vesale experience
Diploma Mechanical Engineer Interview Questions & Answers
Nuclear Power Corporation of India
Anonymous
posted on 7 Dec 2021
I applied via LinkedIn and was interviewed in Nov 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. What is fuel injection?
- Ans.
Fuel injection is a system that delivers fuel into an internal combustion engine in a controlled manner.
Fuel injection replaces carburetors in modern engines.
It improves fuel efficiency, power output, and emissions.
There are different types of fuel injection systems, such as direct injection and port injection.
Fuel injectors spray fuel into the combustion chamber or intake manifold.
The amount of fuel injected is contro...
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Oct 2021. There were 2 interview rounds.
Technical + general aptitude questions , , ,Control system based questions, degree level questions were few
(5 Questions)
- Q1. Related to basics of Transformer
- Q2. Switchgear questions
- Q3. Why electrical engineering
- Ans.
I chose electrical engineering because of my fascination with electricity and its applications in modern technology.
I have always been interested in how electricity works and how it powers our daily lives.
I enjoy learning about the latest advancements in electrical technology and how they can be applied to solve real-world problems.
Electrical engineering offers a wide range of career opportunities, from designing and b...
- Q4. Internship / work experience related questions
- Q5. Different types of protection schemes
- Ans.
Protection schemes are used to safeguard electrical equipment from damage due to faults or abnormal conditions.
Overcurrent protection
Earth fault protection
Differential protection
Distance protection
Under/overvoltage protection
Reverse power protection
Frequency protection
Generator protection
Transformer protection
Interview Preparation Tips
Selected
I applied via Company Website and was interviewed in Jul 2024. There was 1 interview round.
(1 Question)
- Q1. Power plants supply working
- Ans.
Power plants supply electricity to meet the demand of consumers and industries.
Power plants generate electricity through various methods such as burning fossil fuels, nuclear reactions, or renewable sources like wind or solar power.
The electricity generated is transmitted through power lines to homes, businesses, and industries.
Power plants play a crucial role in ensuring a reliable supply of electricity to meet the ne...
Diploma Trainee Engineer Interview Questions & Answers
Siemens Energy
Raj Santosh Dhande
posted on 28 Nov 2023
Selected
I applied via campus placement at Government Polytechnic, Jalna and was interviewed in May 2023. There were 3 interview rounds.
About substation details, Components working
Preparation of interview with best regards
Interview Preparation Tips
- Substation
Diploma Mechanical Engineer Interview Questions & Answers
Adani Group
Anonymous
posted on 5 Feb 2022
(3 Questions)
- Q1. Bio-data and technical questions
- Q2. Heat engineering and thermodynamics
- Q3. Engine gear and any
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NTPC Diploma Trainee Engineer Interview Process
based on 2 interviews
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