Universal Transformers Interview Questions and Answers

Aptitiude, Reasoning , EEE basic Questions

Q1. Electrical Transformer
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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.
• Consists of two coils of wire, known as primary and secondary coils

• Primary coil receives electrical energy and creates a magnetic field

• Magnetic field induces a voltage in the secondary coil, transferring energy

• Used in power distribution, voltage regulation, and electrical isolation

• Exampl...read more
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Q3. What is mutual Induction
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Mutual induction is the process where a changing current in one coil induces a voltage in another coil.
• Mutual induction occurs when two coils are placed close to each other and the magnetic field produced by one coil induces a voltage in the other coil.

• The induced voltage in the second coil is directly proportional to the rate of change of current in the first coil.

• This phenomenon is the basis for the operation of tran...read more
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Q4. What is flux, Current
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Flux is the flow of electric or magnetic field lines through a surface, while current is the flow of electric charge.
• Flux is a measure of the flow of a physical property through a given area.

• In electromagnetism, flux refers to the flow of electric or magnetic field lines through a surface.

• Current is the flow of electric charge through a conductor.

• Flux and current are related through Faraday's law of electromagnetic ind
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Q1. Basic questions
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Q1. Describe about the DTR. What are the material used in constrction of DTR Structure
Ans. 
DTR stands for Dead Time Recovery. It is a structure used in the oil and gas industry to separate gas and liquid phases.
• DTR is typically made of steel or other corrosion-resistant materials.

• The structure is designed to handle high pressure and temperature conditions.

• Common materials used in the construction of DTR include carbon steel, stainless steel, and duplex stainless steel.

• The choice of material depends on factor...read more
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Q2. Descibe about Bucoz relay & Its function.
Ans. 
A Bucoz relay is a type of protective relay used in power systems to detect faults and isolate them to prevent damage.
• Bucoz relay is a type of protective relay used in power systems.

• It functions by detecting faults in the system and isolating them to prevent damage.

• It helps in maintaining the stability and reliability of the power system.

• Bucoz relay operates based on the principle of electromagnetic induction.

• Examples ...read more
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Q3. Describe about Pipe earthing of DTR
Ans. 
Pipe earthing of DTR involves using a metal pipe buried in the ground to provide a low-resistance path for fault currents.
• Metal pipe is buried vertically in the ground near the DTR

• The pipe is filled with alternate layers of charcoal and salt to improve conductivity

• A copper wire is connected to the pipe and then to the DTR for grounding purposes
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Q1. What are your salary requirements.
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Q2. Why you want join my organization
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Q1. What are your 3 strengths and weaknesses
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Q2. Why Enercon and why are you leaving your current company
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Q1. Technical understanding
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Q1. Remuneration package
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Q1. Attitude, personal behavior
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Q1. Knowledge about composite blade manufacturing
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Q2. Knowledge about cost saving initiatives
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Q1. Power bi, sap, automation, dashboard development
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Q1. Hr questions...general information related to project. Tools and skills etc
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Q1. Wind turbines commissioning process and PLC software knowledge,wind turbines termination work
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Q2. Converter test and DFIG working
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Converter test involves testing the performance and efficiency of a converter, while DFIG (Doubly Fed Induction Generator) is a type of generator used in wind turbines.
• Converter test evaluates the performance of a power converter by analyzing its efficiency, power factor, and voltage regulation.

• DFIG is a type of generator commonly used in wind turbines to convert mechanical energy into electrical energy.

• Testing DFIG in...read more
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Q3. PLC and other wind software
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Q4. Power cable termination
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Q5. Grid charging process
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