McDermott International Electrical Engineer Interview Questions and Answers

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 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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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. 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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