Steel Plants Services: Foundry Role

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Questions and Answers

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?

<p>Below 2 ppm (D)</p> Signup and view all the answers

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

<p>Pre-cooling (A)</p> Signup and view all the answers

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

<p>To maintain balance (A)</p> Signup and view all the answers

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

<p>Replace/repair winding (D)</p> Signup and view all the answers

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

<p><em>Oxygen</em> (D)</p> 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?

<p>Arc welding (A)</p> Signup and view all the answers

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

<p>Resistance welding (A)</p> Signup and view all the answers

What is the general definition of a machining operation?

<p>Removing extra material in the form of chips from a work body (C)</p> Signup and view all the answers

Which machining operation is specifically used for shaping metal parts?

<p>Machining operation (A)</p> Signup and view all the answers

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

<p>General machining machine shop (B)</p> Signup and view all the answers

What is the purpose of a balancing machine?

<p>Determining the unbalance of rotating parts (A)</p> Signup and view all the answers

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

<p>Arc welding (C)</p> Signup and view all the answers

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

<p>Machining operation (D)</p> Signup and view all the answers

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

<p>Melting metal and pouring it into moulds to create castings (B)</p> Signup and view all the answers

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

<p>Rolling mill (A)</p> Signup and view all the answers

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

<p>Production of spares and repair of components (C)</p> Signup and view all the answers

Why do SAIL Plants have centralized workshops?

<p>To facilitate repairs and reconditioning of components (D)</p> Signup and view all the answers

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

<p>Finished steel beams (B)</p> Signup and view all the answers

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

<p>To hold and transport materials during the steel production process (B)</p> Signup and view all the answers

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

<p>To support the mould during the casting process (D)</p> Signup and view all the answers

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

<p>To reduce friction and wear in machinery (C)</p> Signup and view all the answers

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

<p>Disposal of storm water during heavy rains to prevent flooding of underground tunnels and cellars (A)</p> 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?

<p>Controlling the production process and monitoring material usage (B)</p> Signup and view all the answers

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

<p>Waste Water Management (B)</p> Signup and view all the answers

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

<p>Coke ovens, blast furnace, steel melting shops, rolling mills, and foundry (C)</p> Signup and view all the answers

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

<p>To allow suspended solids to settle out of waste water (A)</p> Signup and view all the answers

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

<p>Water Management Department (C)</p> Signup and view all the answers

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

<p>Ensuring quality through inspection of materials and products (C)</p> 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)?

<p>Chemical analysis of materials (D)</p> Signup and view all the answers

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

<p>To look after the refractories maintenance and plan capital repairs (C)</p> Signup and view all the answers

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

<p>Refractory Material Plant (RMP) (D)</p> Signup and view all the answers

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

<p>To prevent pollution and control the environment (A)</p> Signup and view all the answers

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

<p>Capital Repair Group (B)</p> Signup and view all the answers

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

<p>To reduce the cost of steel production by bringing down the consumption of spares and refractories (B)</p> Signup and view all the answers

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

<p>60-70% (A)</p> Signup and view all the answers

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

<p>To produce lime which is used as a flux in Steel Melting (B)</p> Signup and view all the answers

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

<p>Capital Repair Group (C)</p> Signup and view all the answers

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

<p>To maintain the temperature of the furnaces and vessels (A)</p> Signup and view all the answers

Which department in the steel plant is responsible for maintaining refractories and planning capital repairs?

<p>Refractory Engineering Department (C)</p> Signup and view all the answers

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