NTPC Diploma Trainee Engineer Interview Questions and Answers

About substation details, Components working

Preparation of interview with best regards

Q1. Powertrain technical questions
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Q1. Compensation and benefits
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Q1. First your communication skill then your experience in your feild , and general questions, confidence level and your attitude
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Technical + general aptitude questions , , ,Control system based questions, degree level questions were few

Q1. Related to basics of Transformer
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Q2. Switchgear questions
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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...read more
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Q4. Internship / work experience related questions
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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
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Q1. Related to field.
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Q1. What is the market salery for civil engineer with 12 years experience?
Ans. 
The market salary for a civil engineer with 12 years of experience varies depending on location, company size, and specific skills.
• Market salary can range from $80,000 to $150,000 per year

• Factors such as location (urban vs rural), company size, and industry specialization can impact salary

• Additional certifications or advanced degrees can also increase salary potential
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One question paper of 10 questions.

Q1. Regarding your subject and work experience
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Q1. Your current package and further expectations.
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It was good as well as challenging

Q1. 1- cement testing 2- communication level 3- situation based question 4- awareness and confidence test 5- Techncial based question
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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...read more
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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...read more
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