NTPC Instrumentation Technician Interview Questions and Answers

Q1. What is the purpose of msedcl. Why you want to job in msedcl Tell me about 3 phase Where use breather
Ans. 
MSEDCL stands for Maharashtra State Electricity Distribution Company Limited. It is responsible for electricity distribution in Maharashtra.
• MSEDCL is a government-owned company that distributes electricity to various parts of Maharashtra.

• It was formed in 2005 after the restructuring of the Maharashtra State Electricity Board.

• MSEDCL is responsible for maintaining and upgrading the distribution network, billing, and coll...read more
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Q2. What is transforrmer. Type of transformer.
Ans. 
A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction.
• Transformers are used to increase or decrease the voltage of an alternating current (AC) power supply.

• There are two types of transformers: step-up transformers and step-down transformers.

• Step-up transformers increase the voltage of the input power supply, while step-down transformers decr...read more
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There were a total of 60 technical questions asked

Q1. Interview questions asked were related to both HR and Technical
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Q1. What is the purpose of an uninterruptible power supply (UPS)?
Ans. 
UPS is used to provide backup power in case of electrical outages or fluctuations.
• Provides continuous power supply during outages

• Protects sensitive electronic equipment from damage due to power surges or fluctuations

• Allows for safe shutdown of devices to prevent data loss

• Commonly used in data centers, hospitals, and critical infrastructure

• Types include offline, line-interactive, and online UPS
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Q2. What is a substation?
Ans. 
A substation is a facility used to transform voltage levels and distribute electricity to consumers.
• Substations receive high voltage electricity from power plants or transmission lines

• They transform the voltage to a lower level for distribution to homes and businesses

• Substations may also include equipment for switching, controlling, and protecting the power flow

• Examples of substations include step-down substations, dis
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Q1. What is a relay?
Ans. 
A relay is an electrically operated switch that uses an electromagnet to mechanically control the switching of a circuit.
• Relays are used to control high power circuits with low power signals.

• They consist of a coil, armature, and contacts.

• Common types include electromagnetic relays, solid-state relays, and reed relays.

• Examples of relay applications include automotive starter solenoids and industrial control systems.
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Q1. Your experience for ask me ? My answer 5 years experience
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Q2. Your 12month working no problem yes or no ask ? I am asking no problem I am working for full 1 year
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Q3. Wind power any experience asking?
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Q4. You torking and service work experience and Blade ripearing any experience
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Q1. Hydraulic. Pneumatic
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Q2. Pump. gearbox . Bearings
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Q1. Java based question .Average question , DS,DBMS OS
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Q1. Explain the Brayton cycle?
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Q2. Why should we maintain the gas turbine speed?
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