ArcelorMittal Nippon Steel Operator Interview Questions and Answers

An arc furnace is a type of furnace that uses high-voltage electric arcs to melt metal and other materials.

• Uses high-voltage electric arcs to generate heat

• Commonly used for melting metal and other materials

• Can be used for recycling scrap metal

The production department is responsible for manufacturing goods or providing services in a company.

• Responsible for overseeing the production process

• Coordinates with other departments such as procurement and quality control

• Ensures efficient use of resources to meet production targets

• May involve managing a team of workers and implementing production schedules

• Examples: manufacturing plants, service providers like restaur

Heat treatment is a process used to alter the physical and sometimes chemical properties of a material through heating and cooling.

• Heat treatment involves heating a material to a specific temperature, holding it at that temperature for a certain amount of time, and then cooling it at a controlled rate.

• The purpose of heat treatment is to improve the material's hardness, strength, toughness, ductility, and other properti...read more

Foundry technology is the process of creating metal castings by pouring molten metal into a mold and allowing it to solidify.

• Involves creating molds for casting metal

• Involves melting metal to pour into molds

• Includes processes like sand casting, investment casting, and die casting

Fuel is a substance that is burned to provide heat or power. It can be classified as solid, liquid, or gas based on its physical state.

• Fuel is a substance that undergoes combustion to release energy in the form of heat or light.

• Solid fuels include coal, wood, and charcoal.

• Liquid fuels include gasoline, diesel, and kerosene.

• Gaseous fuels include natural gas, propane, and hydrogen.

• Fuels can also be classified as renewabl...read more