NLMK India QA Executive Interview Questions and Answers

Q1. Depending upon job profile
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Q2. What about you JSW ? Some basic principles and procedures
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Q1. Only experience discussion
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Q1. Lubrication department in merchant mill
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The lubrication department in a merchant mill is responsible for ensuring proper lubrication of machinery to prevent wear and tear.
• The lubrication department is crucial for maintaining the efficiency and longevity of machinery in the merchant mill.

• They are responsible for regularly inspecting and lubricating equipment to prevent breakdowns.

• Proper lubrication helps reduce friction, heat, and wear on moving parts.

• Example...read more
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Number or alfabet in English

Aptitude test from physics

Q1. Your self P2P cycle About last Organization Do you know about Rio Tinto
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Q1. Your self AP cycle How to invoicing Vender reconciliation SAP coding GRN report
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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
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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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