Steag Energy Services Deputy Manager Maintenance Interview Questions and Answers

Q1. About transformer protection and shut down process ....Etc
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Q2. How Buchholz relay works?
Ans. 
Buchholz relay is a protective device used in oil-filled transformers to detect and prevent faults.
• It is installed between the transformer tank and conservator tank.

• It detects the presence of gas or oil flow in the transformer oil.

• It operates on the principle of gas collection and oil surge.

• It sends an alarm signal to the control room in case of any fault.

• It helps in preventing major faults and damage to the transforme
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About relationship,Problems on age

GD on Line operation , Shutdown of ICT

Q1. Boiler Operation
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Q2. Coal Mill Boiler Pressure Parts APH
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Q1. Hydraulic. Pneumatic
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Q2. Pump. gearbox . Bearings
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Q1. Can not disclose interview question as per company norms
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Q1. Interview on Previous experience
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Q1. Asking about yourself your past experience knowledge
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Question related to electrical and mental ability

Q1. Tell me about your self, what is transformer, Tell me about your BE Project, What is resistance, capacitor, Generator And so on
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Q2. What is transformer
Ans. 
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Transformers are used to increase or decrease voltage levels in electrical circuits.

• They consist of two coils of wire, known as the primary and secondary coils, wrapped around a core.

• Step-up transformers increase voltage levels, while step-down transformers decrease voltage levels.

• Transf...read more
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Q3. What is resistance
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Resistance is the opposition to the flow of electric current.
• Resistance is measured in ohms (Ω).

• It is caused by the collisions of electrons with atoms in a conductor.

• Higher resistance leads to lower current flow.

• Resistance can be affected by factors like material, length, and temperature.

• Examples of high resistance materials include rubber and glass.

• Examples of low resistance materials include copper and silver.
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Q4. What is generator
Ans. 
A generator is a device that converts mechanical energy into electrical energy.
• Generators are commonly used in power plants to generate electricity

• They can also be used as backup power sources in case of power outages

• Generators can be powered by various sources such as gasoline, diesel, natural gas, or renewable energy sources like wind or solar

• They work on the principle of electromagnetic induction
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Q5. What is capacitor
Ans. 
A capacitor is an electronic component that stores and releases electrical energy in a circuit.
• Capacitors are used to filter out noise in electronic circuits.

• They can also be used to store energy in flash cameras.

• Capacitors are measured in farads, with smaller values denoted in microfarads or picofarads.
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Always give examples related to work profile

Q1. Always prepare well in advance before interview
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