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JSW Steel Graduate Engineer Interview Questions and Answers

Updated 3 Jan 2025

Q1. What is the complete overview of the process of making steel?

Ans.

The process of making steel involves converting iron ore into steel through various stages of heating, melting, and refining.

  • 1. Iron ore is mined and transported to a steel mill.

  • 2. The iron ore is then processed in a blast furnace to remove impurities and create pig iron.

  • 3. The pig iron is further refined in a basic oxygen furnace or an electric arc furnace to produce steel.

  • 4. The steel is then cast into various shapes or forms, depending on the desired end product.

  • 5. The fin...read more

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Q2. 1. What Is preventive maintenance and break down maintenance 2.types of break types of coupling and it's function

Ans.

Preventive maintenance involves regular inspections and maintenance to prevent breakdowns, while breakdown maintenance is performed after a breakdown occurs.

  • Preventive maintenance is planned maintenance performed on a regular basis to prevent equipment failure.

  • Breakdown maintenance is reactive maintenance performed after a breakdown has occurred to restore equipment to working condition.

  • Types of couplings include rigid, flexible, and fluid couplings.

  • Rigid couplings do not all...read more

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Q3. What is the appropriate temperature for hot metal, and what are the reasons for this specification?

Ans.

The appropriate temperature for hot metal is typically between 2000-2300 degrees Fahrenheit to ensure proper forging and shaping.

  • Hot metal is usually heated to a temperature range of 2000-2300 degrees Fahrenheit for forging and shaping processes.

  • This temperature range allows the metal to be malleable enough for shaping without being too hot to cause excessive oxidation or burning.

  • Different types of metals may have specific temperature requirements for optimal forging and shap...read more

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Q4. What is shaft , what is tolerance,it's type

Ans.

A shaft is a rotating machine element used to transmit power. Tolerance is the allowable deviation from a specified dimension.

  • Shaft is a mechanical component used to transmit power from one part of a machine to another.

  • Tolerance is the permissible limit or limits of variation in a physical dimension.

  • Types of tolerance include bilateral tolerance, unilateral tolerance, and limit tolerance.

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Q5. What is Types of pumps

Ans.

Types of pumps include centrifugal pumps, positive displacement pumps, and axial flow pumps.

  • Centrifugal pumps use a rotating impeller to create a flow of fluid.

  • Positive displacement pumps move fluid by trapping a fixed amount and forcing it through the discharge.

  • Axial flow pumps move fluid parallel to the pump shaft.

  • Examples: Centrifugal pump - water pump, Positive displacement pump - gear pump, Axial flow pump - propeller pump

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Q6. What Is Types of gears

Ans.

Types of gears include spur gears, helical gears, bevel gears, worm gears, rack and pinion gears, and planetary gears.

  • Spur gears have straight teeth and are used for parallel shafts.

  • Helical gears have angled teeth for smoother operation.

  • Bevel gears are used for intersecting shafts.

  • Worm gears have a screw-like appearance and are used for high torque applications.

  • Rack and pinion gears convert rotational motion into linear motion.

  • Planetary gears have multiple 'planet' gears that...read more

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