Nuclear Power Corporation of India Mechanical Engineer Interview Questions and Answers

Q1. They will ask for your previous job profile and basic of electrical. Not much more theoretical, major part is practical
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Q1. Electrical Equipment testing , and relay testing.
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Q1. Type of Excitation system in generator.
Ans. 
The type of excitation system in a generator determines how the generator is powered and controlled.
• There are mainly two types of excitation systems: static excitation system and brushless excitation system.

• Static excitation systems use a separate DC power source to provide the field current to the generator.

• Brushless excitation systems use the generator's own output to power the field winding.

• Each type of excitation s...read more
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Q2. How Buchholz Relay operate.
Ans. 
Buchholz Relay is a protective device used in oil-filled transformers to detect faults such as internal arcing or overheating.
• Monitors oil flow in transformer

• Detects faults like internal arcing or overheating

• Triggers alarm or trips circuit if fault detected
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Q3. Boiler Trip Condition
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Q4. Transformer losses
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Simple Question in mathe
And all basic math problem

Q1. Electrical machine, power system, basis electrical And all basis consept in electrical
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Q2.  General knowledge and general science, and current affairs, And hindi relatore question Basic type
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Q3. All compitetive exam pattern question Basic knowledge like Reasoning, math, hindi, computer Basic knowledge
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Q1. Duoehk udopk jgduog ifdui ifdyi ghk Tddj lfvm
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Q1. Share details of your previous job.
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Q2. What are your salary expectations?
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Q3. What is your family background?
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Q4. Tell me about yourself.
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Q1. How to protect transformer and what is VFD???
Ans. 
To protect a transformer, measures such as overcurrent protection, temperature monitoring, and proper grounding should be implemented. VFD stands for Variable Frequency Drive, a device used to control the speed of an electric motor.
• Implement overcurrent protection to prevent excessive current flow through the transformer.

• Monitor the temperature of the transformer using temperature sensors to prevent overheating.

• Ensure ...read more
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Q1. Previous company related
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