ArcelorMittal Nippon Steel Mill Wright Fitter Interview Questions, Process, and Tips

Q1. What is DC and AC motors
Ans. 
DC motors use direct current to generate rotational motion, while AC motors use alternating current.
• DC motors have a commutator and brushes to switch the current direction

• AC motors have a stator and rotor to create a rotating magnetic field

• DC motors are commonly used in household appliances and electric vehicles

• AC motors are commonly used in industrial machinery and HVAC systems
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Q1. Electrical technical
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Q2. Motor maintance, pull card ,zss,all light connection etc
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Q1. Power factor What is vfd Difference between ac and dc motor
Ans. 
Power factor is the ratio of real power to apparent power in an AC circuit. VFD stands for Variable Frequency Drive. AC motors run on alternating current while DC motors run on direct current.
• Power factor is a measure of how effectively electrical power is being used in a circuit.

• It is calculated by dividing the real power (in watts) by the apparent power (in volt-amperes).

• A power factor of 1 indicates that all the pow...read more
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Q2. Types of load cell
Ans. 
Types of load cells include strain gauge load cells, hydraulic load cells, and capacitive load cells.
• Strain gauge load cells measure the strain or deformation of a material.

• Hydraulic load cells use hydraulic fluid to measure force.

• Capacitive load cells measure changes in capacitance to determine force.

• Other types of load cells include piezoelectric load cells and pneumatic load cells.
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MCQ Question of total 10 question

Q1. What do you mean by Reverse Arc Flashing on ACB Breaker
Ans. 
Reverse arc flashing on ACB breaker refers to the phenomenon where the arc flash occurs on the opposite side of the contacts during the opening operation.
• Reverse arc flashing happens when the arc flash occurs on the side of the contacts opposite to the normal direction during the opening operation of the ACB breaker.

• This phenomenon can be caused by factors such as high fault currents, improper maintenance, or inadequat...read more
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Q1. Why you want to leave your present company
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Q1. What is capacity your furnace
Ans. 
The capacity of a furnace refers to its heating output, typically measured in BTUs or tons.
• Furnace capacity is determined by the amount of heat it can produce.

• It is usually measured in BTUs (British Thermal Units) or tons.

• Higher capacity furnaces can produce more heat and are suitable for larger spaces.

• For example, a furnace with a capacity of 80,000 BTUs can heat a larger area compared to one with a capacity of 40,000
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Q2. What is drive components in CCM department
Ans. 
Drive components in CCM department are the parts that enable the motor to function properly.
• Drive components include motors, gears, belts, and pulleys.

• They work together to transfer power from the motor to the machine.

• The components must be properly sized and aligned to ensure efficient operation.

• Examples of machines that use drive components include conveyor belts, pumps, and fans.
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Q1. Electrical materials
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Q2. Power system protection
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Q3. Electrical energy system
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Q4. High voltage direct current
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Q5. Electrical control system
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Q1. Electrical management
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Q1. Introduction about you
Ans. 
I am a dedicated and experienced Electrical Engineer with a passion for problem-solving and innovation.
• Graduated with a degree in Electrical Engineering from XYZ University

• Completed internships at ABC Company and DEF Corporation

• Proficient in CAD software and circuit design

• Led a team in developing a new power distribution system for a commercial building
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Q2. Discussion about roles
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Q1. Plc,drive,basic knowledge
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Q2. Motor related questions
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Q1. Transformer me dub-11 ka matalab kya hota hai
Ans. Maine btaya “d” ka matalab Maine btaya transformer ka primary winding delta connect and “y” ka matalab Maine btaya transformer ka secondary winding star me connect hoti hai and “11” ka matalab hota hai transformer ka phase angle
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Q2. What is thyrestor
Ans. 
A thyristor is a semiconductor device that acts as a switch and can handle high voltages and currents.
• It has three terminals: anode, cathode, and gate

• It can be turned on by applying a small current to the gate terminal

• It can handle high power and is commonly used in power control applications

• Examples include AC motor speed control, lighting dimming, and power supplies
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