Welspun Enterprises Electrical Engineer Interview Questions and Answers

General knowlegde, Basic Aptitude, Domain Technical MCQ

Genx vs Genz, Altitude and comparsion

Q1. Components of Transformer
Ans. 
Components of a transformer include core, windings, and insulation.
• Core: Provides a path for magnetic flux

• Windings: Primary and secondary coils for inducing voltage

• Insulation: Prevents short circuits and ensures safety
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Q2. Question based on series and parallel resistance
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Q1. Why do you want to do job?
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Q2. Why have you joined Electronics?
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Q3. What is Ohm's law?
Ans. 
Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.
• Ohm's law is represented by the equation I = V/R, where I is the current, V is the voltage, and R is the resistance.

• It is named after Georg Simon Ohm, a German physicist who first formulated this law.

• This law is applicable to all types of circuits, including DC and AC circuits.

• It is use...read more
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Q1. About youself? Role and responsibilities? why are you interested?
Ans. 
I am an experienced Electrical Engineer with a passion for designing and implementing innovative solutions.
• I have a strong background in electrical engineering, with a focus on power systems and control systems.

• I have successfully designed and implemented electrical systems for various projects, including commercial buildings and industrial plants.

• I am skilled in using CAD software for electrical design and have experi...read more
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Q1. About yourself? Role and responsibilities? day to day site work? what do u know about bechtel? Electrical safety? Drawing details?shop drawing? LOTO system? NC for quality and safety? Earthing system? powe...read more
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Q1. Documents? Current base salary? Expected base salary? Tentative date of joining?
Ans. 
I can provide the required documents and discuss salary and joining details.
• I can provide all necessary documents such as resume, certifications, and transcripts.

• My current base salary is $X per year.

• I expect a base salary in the range of $Y to $Z per year.

• I am available to join within X weeks/months.

• I can discuss further details during the interview.
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Q1. What is process for a project (from scratch to commission)
Ans. 
The process for a project involves planning, design, implementation, testing, and commissioning.
• Define project scope and objectives

• Create a project plan with timelines and milestones

• Design the system or product

• Procure necessary materials and equipment

• Implement the design and build the system or product

• Test the system or product to ensure it meets requirements

• Commission the system or product for use

• Provide ongoing suppo...read more
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Q2. Electrical calculations
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Q1. Case studies and different scenarios
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Q1. All about your experience and expectations
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Q1. What is ATS, transformer maintenance procedure, protection of transformer, maintenance procedure of motor, protection of motor, knowledge about SAP
Ans. 
ATS stands for Automatic Transfer Switch. It is used to transfer power supply between two sources. Transformer and motor maintenance procedures and protection methods are essential for their efficient operation. SAP is a software used for enterprise resource planning.
• ATS is used to automatically switch power supply between two sources, ensuring uninterrupted power supply.

• Transformer maintenance involves regular inspect...read more
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Q2. Knowledge about DG set, and spare material
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Q3. Rating of HT motor and FLC of HT motor
Ans. 
HT motor rating is the maximum power it can handle and FLC is the current it draws at full load.
• HT motor rating is expressed in kilowatts (kW) or megawatts (MW).

• FLC of HT motor is the full load current it draws at rated voltage and frequency.

• FLC is expressed in amperes (A) and varies depending on the motor's power rating and efficiency.

• For example, a 1 MW HT motor may have a FLC of 1000 A at 11 kV.

• The rating and FLC of...read more
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Q4. Plant EHT system and single line diagram of plants.
Ans. 
Plant EHT system and single line diagram of plants.
• EHT system refers to Extra High Tension system used in power plants

• Single line diagram shows the electrical connections between different components

• It is important to have a clear and accurate diagram for safety and maintenance purposes
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Q5. Knowledge about HT and LT breaker.
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