Doosan Power Systems Site Supervisor Interview Questions and Answers

Q1. Why we would choose you
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Q1. Tell me about yourself.
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Q2. Tell me a time safety was important
Ans. 
Safety was crucial when overseeing a construction project with multiple contractors.
• Ensuring all workers followed safety protocols

• Conducting regular safety inspections

• Providing safety training to all employees
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Nothing much , rest is basically technical

We have to talk on a subject for log time thats all

Q1. How to speed control on motor and generator.
Ans. 
Speed control on motors and generators can be achieved through various methods.
• For motors, speed control can be achieved by adjusting the voltage, frequency, or the number of poles.

• For generators, speed control can be achieved by adjusting the mechanical input or the load connected to the generator.

• In motors, variable frequency drives (VFDs) can be used to control the speed by adjusting the frequency of the power suppl...read more
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Q2. What is IDFT controller ?
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IDFT controller stands for Inverse Discrete Fourier Transform controller.
• IDFT controller is used in signal processing to convert frequency domain signals to time domain signals.

• It is the inverse of the Discrete Fourier Transform (DFT) controller.

• IDFT controller is commonly used in audio and video processing applications.

• It is also used in communication systems to convert frequency domain signals to time domain signals ...read more
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Q1. Regarding basic ideas of core field. Like- what are the consequences of electric current failures?
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Q2. Discuss about two types of valves from any field.
Ans. 
Two types of valves commonly used are ball valves and gate valves.
• Ball valves have a spherical closure unit that allows for quick on/off control of flow.

• Gate valves have a flat closure unit that is raised and lowered to control flow.

• Ball valves are commonly used in plumbing systems, while gate valves are often used in industrial applications.

• Both types of valves can be manual or automated for remote operation.

• Examples ...read more
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Q1. Relates to personal questions like the motive to join Siemens?
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Q2. What makes you to resign at the latest or earlier organization's
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Q1. Basic all based on experience & there requirements
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Q2. Experience & basic technical work like- transformer testing & PM checklist etc
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Q1. Why we would choose you
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Q1. What is impedance ,reacance
Ans. 
Impedance is the total opposition to the flow of alternating current in a circuit, while reactance is the opposition to the flow of alternating current caused by capacitance or inductance.
• Impedance is a combination of resistance and reactance in a circuit.

• Reactance is the opposition to the flow of alternating current caused by capacitance or inductance.

• Capacitive reactance is the opposition to the flow of alternating c...read more
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Q2. How calculate plant load factors
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Plant load factor is calculated by dividing the actual energy generated by the maximum possible energy that could have been generated.
• Plant load factor = Actual energy generated / Maximum possible energy that could have been generated

• Maximum possible energy is calculated by multiplying the rated capacity of the plant with the number of hours in a given time period

• Plant load factor is expressed as a percentage

• It is used...read more
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