ArcelorMittal Nippon Steel Interview Questions, Process, and Tips

Barring checking and replacement work

Q1. Gear box replacement work and safety first and all ppes sure and paper work and try out and walked away clean and fresh and motor remove and gearbox remove and gearbox replace and bolts nut tightening sure...read more
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Q2. V-scraper replacement work and safety first and all ppes sure and paper work and try out and walked away clean and fresh and bolts nut open and new v-scraper replace and bolts nut tightening sure and paper...read more
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Q3. Roller changed and replacement work and safety first and all ppes sure and paper work and try out and walked away clean and fresh and new roller cut marking frem number and new roller replace and Roller s...read more
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Q4. Barring checking and replacement work and safety first and all ppes sure and paper work and try out and walked away clean and fresh and belt clamping take-up up and blumber block top cover open and Barring...read more
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Q5. Greasing work and safety first and all ppes sure and paper work and walked away clean and fresh and all Barring checking and savings greasing sure and paper work cancelled and conveyer belt running ok
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Basic electronics and electrical questions

Q1. What is transformer
Ans. 
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Transformers are used to increase or decrease voltage levels in electrical circuits.

• They consist of two coils of wire, known as the primary and secondary coils, wrapped around a core made of iron or other magnetic materials.

• Examples of transformers include power transformers used in elec...read more
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Q2. Explain Freaday law
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Freaday's law states that the induced electromotive force (emf) in any closed circuit is equal to the negative rate of change of the magnetic flux through the circuit.
• Freaday's law is a fundamental principle in electromagnetism.

• It explains how a changing magnetic field can induce an electric current in a circuit.

• The induced emf is proportional to the rate of change of the magnetic flux.

• Mathematically, the equation for ...read more
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Q3. Explain ohm law
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Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage across it and inversely proportional to the resistance.
• Ohm's Law is represented by the formula V = I * R, where V is voltage, I is current, and R is resistance.

• It helps in calculating the current flowing through a circuit when the voltage and resistance are known.

• It also helps in determining the resistance in a circuit...read more
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Q4. Resistance temperature
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Q5. Induction motor different between square cage vs slippers ring
Ans. 
Square cage induction motors have a squirrel cage rotor with bars and end rings made of copper or aluminum, while slip ring induction motors have a wound rotor with external resistors connected to slip rings.
• Square cage induction motors have a simpler and more rugged construction compared to slip ring motors.

• Slip ring induction motors allow for external resistance control, enabling speed control and high starting torqu...read more
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Q1. What is lpad and rpad?
Ans. 
lpad and rpad are functions used in SQL to add padding characters to the left or right of a string.
• lpad adds padding characters to the left of a string

• rpad adds padding characters to the right of a string

• Syntax: lpad(string, length, padding_character)

• Example: lpad('123', 5, '0') will result in '00123'

• Syntax: rpad(string, length, padding_character)

• Example: rpad('123', 5, '0') will result in '12300'
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Q1. How to enter the company payroll
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