KEPCO Plant Service & Engineering Electrical Maintenance Engineer Interview Questions and Answers

Q1. Transformer protection and testing
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Q2. Alternator, vcb, acb, protection system
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Q3. Synchronisation of generator, motor protection and maintenance.
Ans. 
Synchronisation of generator involves aligning the speed and phase of the generator with the grid before connecting them. Motor protection and maintenance are crucial for ensuring the longevity and efficiency of the motor.
• Synchronisation of generator involves matching the frequency, voltage, and phase angle of the generator with the grid before connecting them.

• Motor protection includes measures such as overload protect...read more
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Electrical Technical/ reasoning/numbering

3 tests are conducted

Q1. In which are u have sound knowledge ? Field or system
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Q2. Difference between DCS and plc
Ans. 
DCS is used for continuous processes while PLC is used for discrete processes.
• DCS stands for Distributed Control System and is used for continuous processes like oil refining, power generation, etc.

• PLC stands for Programmable Logic Controller and is used for discrete processes like assembly lines, packaging machines, etc.

• DCS is designed to handle large amounts of data from multiple sources and control multiple processe...read more
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Q3. How control valve works
Ans. 
Control valves regulate fluid flow by adjusting the size of the valve opening.
• Control valves are used in various industries such as oil and gas, chemical, and power generation.

• They work by adjusting the size of the valve opening to regulate the flow of fluid.

• The valve opening is controlled by a signal from a controller, which can be manual or automated.

• Control valves can be classified into different types such as globe...read more
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Q4. How pressure switch works
Ans. 
A pressure switch is a device that monitors pressure levels and triggers an action when a certain pressure is reached.
• Pressure switch consists of a sensing element, switch mechanism, and a pressure port.

• When the pressure reaches a certain level, the sensing element triggers the switch mechanism to open or close an electrical circuit.

• Pressure switches are used in various applications such as HVAC systems, water pumps, a
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Q1. Excavation safety, EHS management, Lifting & Erection safety
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My personal Profile, working knowledge,

My nature, behavior, honesty, simplicity, connecting people, positive attitude, relationship with other, communications, adjustment, negotiation, working Exposure,time management.

Q1. What's your qualifications?
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Q2. What's your work experience
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Q3. What is your current address
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Q4. What is your current CTC
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Q1. Are you interest to work with our company?
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