Wapcos Electrical Engineer Interview Questions, Process, and Tips

It's ok the question are asked from the basis

Q1. What is the need of earth wiring
Ans. 
Earth wiring is needed to provide a path for fault currents to safely dissipate into the ground.
• Ensures safety by preventing electric shocks and fires

• Protects electrical equipment from damage

• Meets regulatory requirements for grounding systems

• Provides a reference point for voltage levels

• Examples: grounding rods, grounding conductors
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Q2. To eliminate and drop the sudden fault current in the system
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Q1. He just asked about the basis questions
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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. 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. What is the process of battery sizing calculation
Ans. 
Battery sizing calculation involves determining the capacity and voltage required for a specific application.
• Determine the power requirements of the application

• Calculate the energy required by multiplying power and time

• Select a battery with sufficient capacity and voltage to meet energy requirements

• Consider factors such as temperature, discharge rate, and cycle life

• Perform testing and validation to ensure the selected
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Q2. Busbar tripping chemes
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Q1. Regarding your previous work experience
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Q2. What are the internal testing of transformers
Ans. 
Internal testing of transformers involves various tests to ensure proper functioning and safety.
• Insulation resistance test to check for any insulation breakdown

• Polarity test to verify correct connections

• Turns ratio test to ensure proper voltage transformation

• Winding resistance test to check for any short circuits or open circuits

• Impedance test to determine the impedance of the transformer

• Dielectric tests to assess the
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Q1. Am handling all electrical equipment l2d boomer concrete pump bantching plan Dewatering cff2 cff3 shot creat machin
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Q2. Am handling all electrical equipment l2d boomer concrete pump bantching plan Dewatering cff2 cff3 shot creat machin &Dewarting air pipe line
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Q1. What is moter and it capacity
Ans. 
A motor is a device that converts electrical energy into mechanical energy to perform work.
• Motors are commonly used in various applications such as electric vehicles, industrial machinery, and household appliances.

• They come in different types such as AC motors, DC motors, and stepper motors.

• Motor capacity refers to its power rating, typically measured in horsepower (HP) or kilowatts (kW).

• Higher capacity motors can gene...read more
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Q2. Moter is a mechanical part which convert electrical energy in to mechanical energy
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