Steel Plants Services: Foundry Role

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What is the main activity of the Electrical Repair Shop (ERS)?

Testing slip rings

Repairing load lifting magnets

Manufacturing welding machines

Overhauling motors (correct)

Which of the following is not repaired/manufactured in the Electrical Repair Shop?

Gas turbines (correct)

Load Lifting Magnets

Reactor vessels

Brake Coils

How are Oxygen, Nitrogen, and Argon gases separated from air in the Oxygen Plants?

By distillation using heat

Through Cryogenic Distillation Process (correct)

Through chemical reactions

By filtration

What is the typical impurity level maintained in Liquid Argon produced by Oxygen Plants?

Below 2 ppm Signup and view all the answers

What is done to the compressed air before selective distillation in the Air Separation Units (ASUs)?

Pre-cooling Signup and view all the answers

What is the primary role of balancing mass in rotating equipment?

To maintain balance Signup and view all the answers

What does ERS do to burnt motors (Stator and Rotor) that require repair?

Replace/repair winding Signup and view all the answers

What is the main product produced by Oxygen Plants for steelmaking?

Oxygen Signup and view all the answers

What type of welding process uses an A.C. or D.C. source to produce union of work pieces?

Arc welding Signup and view all the answers

What process produces union of metals with heat obtained from resistance offered by the work?

Resistance welding Signup and view all the answers

What is the general definition of a machining operation?

Removing extra material in the form of chips from a work body Signup and view all the answers

Which machining operation is specifically used for shaping metal parts?

Machining operation Signup and view all the answers

What type of machine shop is equipped with lathes, planers, and grinders?

General machining machine shop Signup and view all the answers

What is the purpose of a balancing machine?

Determining the unbalance of rotating parts Signup and view all the answers

What type of welding process uses heat energy obtained from an A.C. or D.C. source?

Arc welding Signup and view all the answers

Which machining operation is specifically used for finishing metal parts to close dimensions?

Machining operation Signup and view all the answers

What is the primary function of a foundry in a steel plant?

Melting metal and pouring it into moulds to create castings Signup and view all the answers

Which of the following is NOT a product typically produced in a steel plant foundry?

Rolling mill Signup and view all the answers

What are the two main activities carried out by the repair shops in SAIL Plants?

Production of spares and repair of components Signup and view all the answers

Why do SAIL Plants have centralized workshops?

To facilitate repairs and reconditioning of components Signup and view all the answers

Which of the following is NOT a common foundry product in a steel plant?

Finished steel beams Signup and view all the answers

What is the purpose of the 'charging box' in a steel plant?

To hold and transport materials during the steel production process Signup and view all the answers

What is the role of the 'bottom plate' in a steel plant?

To support the mould during the casting process Signup and view all the answers

What is the main role of 'slipper pads' in a steel plant?

To reduce friction and wear in machinery Signup and view all the answers

What is the primary responsibility of the Water Management Department regarding storm water?

Disposal of storm water during heavy rains to prevent flooding of underground tunnels and cellars Signup and view all the answers

What are the two main functions of a Research and Control Laboratory (RCL) in maintaining and improving product quality?

Controlling the production process and monitoring material usage Signup and view all the answers

Which of the following is NOT a wing of the Research and Control Laboratory (RCL)?

Waste Water Management Signup and view all the answers

Which production shops are covered by the Metallurgical wing of the Research and Control Laboratory (RCL)?

Coke ovens, blast furnace, steel melting shops, rolling mills, and foundry Signup and view all the answers

What is the purpose of the settling tanks in the water management system?

To allow suspended solids to settle out of waste water Signup and view all the answers

Which department is responsible for handling different types of water and preventing flooding during heavy rains?

Water Management Department Signup and view all the answers

What is the role of the Inspection wing in the Research and Control Laboratory (RCL)?

Ensuring quality through inspection of materials and products Signup and view all the answers

Which of the following is a responsibility of the Metallurgical Testing wing of the Research and Control Laboratory (RCL)?

Chemical analysis of materials Signup and view all the answers

What is the primary function of the Refractory Engineering Department in a steel plant?

To look after the refractories maintenance and plan capital repairs Signup and view all the answers

Which department in the steel plant handles lime stone and produces lime for use as a flux?

Refractory Material Plant (RMP) Signup and view all the answers

What is the primary purpose of the electrostatic precipitators installed in the Refractory Material Plant?

To prevent pollution and control the environment Signup and view all the answers

Which department is responsible for executing routine repair of all major shops in a steel plant?

Capital Repair Group Signup and view all the answers

What is the main objective of the department responsible for capital repair in a steel plant?

To reduce the cost of steel production by bringing down the consumption of spares and refractories Signup and view all the answers

How much of the refractory produced is used by the steel industry?

60-70% Signup and view all the answers

What is the purpose of burning lime stone under high temperature in the steel plant?

To produce lime which is used as a flux in Steel Melting Signup and view all the answers

Which department in the steel plant is responsible for planning and supervising capital repair of all major shops?