CH10-ICA-Maintenance Systems in Integrated Steel Plants
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Questions and Answers

What is essential for the efficient operation of an Integrated Steel Plant?

  • Proper upkeep of installed equipments (correct)
  • External supplier for spares
  • Continuous production without maintenance
  • Regular shutdowns

Which factor can result in the postponement of shut downs and preventive maintenance in a steel plant?

  • Low demand on engineering shops
  • Nonavailability of the right spares (correct)
  • Availability of spares and assemblies
  • High quality of repairs

What is the purpose of modular replacement of assemblies and subassemblies in a steel plant?

  • To increase downtime
  • To decrease quality of repairs
  • To reduce demand on engineering shops
  • To minimize downtime and ensure better quality of repairs (correct)

What are the main components of repair shops in a steel plant?

<p>Forge, fabrication, machine, tool room, fitting, and dismantling shops (A)</p> Signup and view all the answers

Which welding process uses the heat produced by a gas flame for melting the base metal?

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

What is the primary function of a Fabrication shop in a steel plant?

<p>Construction and assembly of metal structures (D)</p> Signup and view all the answers

Why is the proper quantity of spares important in maintaining equipment in a steel plant?

<p>To avoid postponement of preventive maintenance (A)</p> Signup and view all the answers

What equipment is commonly installed in forge shops for plastic deformation of work material?

<p>Forging hammer and press (B)</p> Signup and view all the answers

What type of materials are usually worked on in fabrication shops?

<p>Plates, sheets, angles, channels, and joists (A)</p> Signup and view all the answers

What is the typical process that follows marking and cutting of materials in a fabrication shop?

<p>Bending or pressing (B)</p> Signup and view all the answers

What equipment is commonly used in fabrication shops for cutting materials?

<p>Gas cutting torches (D)</p> Signup and view all the answers

Which process is described as using gas flame heat to melt the base metal and filler metal if needed?

<p>Oxyfuel Gas welding (D)</p> Signup and view all the answers

What is the main purpose of E.O.T crane in a fabrication shop?

<p>Material lifting and transportation (D)</p> Signup and view all the answers

After fabrication by bending or pressing, how are structural materials usually joined together?

<p>'Riveting or welding' (A)</p> Signup and view all the answers

'Submerged arc welding machines' are typically used for which of the following processes?

<p>'Submerged arc welding' (C)</p> Signup and view all the answers

What is the main purpose of using argon gas in RHOB?

<p>To provide an inert atmosphere (D)</p> Signup and view all the answers

Where is acetylene gas primarily used in the plant?

<p>Continuous Casting Shop (D)</p> Signup and view all the answers

What is the composition of Protective Gas used in Annealing and Galvanizing furnaces?

<p>95% nitrogen and 5% hydrogen (A)</p> Signup and view all the answers

Which system involves the treatment and distribution of water to consumers like boilers and furnace cooling?

<p>Soft Water and DM water system (B)</p> Signup and view all the answers

How is acetylene gas produced in the plant?

<p>From calcium carbide (A)</p> Signup and view all the answers

What is the function of acetylene gas in the Continuous Casting Shop?

<p>To cut slabs using torches (C)</p> Signup and view all the answers

Which gas is NOT part of the Protective Gas mixture used in the Annealing and Galvanizing furnaces?

<p>Oxygen (B)</p> Signup and view all the answers

What is the primary use of acetylene gas in the plant's operations?

<p>Cutting materials like slabs (A)</p> Signup and view all the answers

Which welding process uses heat energy from an A.C. or D.C. source?

<p>Arc Welding (B)</p> Signup and view all the answers

What is the primary purpose of a machine shop machining operation?

<p>Removing extra material in the form of 'chips' (A)</p> Signup and view all the answers

Which of the following is NOT a conventional machining operation?

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

What type of machines are used to manufacture and repair equipment spares such as shafts, liners, and gears?

<p>Lathes, planers, and grinders (D)</p> Signup and view all the answers

What is the primary source of heat in resistance welding process?

<p>Heat obtained from resistance offered by the work (C)</p> Signup and view all the answers

Which of the following is a group welding process?

<p>Resistance Welding (B)</p> Signup and view all the answers

Which machining operation involves rotating a workpiece along its axis while a cutting tool is applied to it?

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

What is the purpose of a balancing machine?

<p>To determine the unbalance of rotating parts (D)</p> Signup and view all the answers

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

<p>Disposal during heavy rains (C)</p> Signup and view all the answers

What is the primary role of the Research and Control Laboratory (RCL)?

<p>Improving and maintaining product quality (A)</p> Signup and view all the answers

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

<p>Insulation (B)</p> Signup and view all the answers

What is the main function of the Metallurgical Testing wing of the RCL?

<p>Quality control of production units (B)</p> Signup and view all the answers

Which of the following is NOT part of the Water Management Department's infrastructure?

<p>Research labs (B)</p> Signup and view all the answers

What is the purpose of imposing control measures on metallurgical processes and materials?

<p>To ensure economic production of quality materials (A)</p> Signup and view all the answers

Which of the following is NOT a type of water handled by the Water Management Department?

<p>Treated water (C)</p> Signup and view all the answers

What does RCL stand for?

<p>Research and Control Laboratory (B)</p> Signup and view all the answers

Which of the following is NOT a responsibility of the Water Management Department?

<p>Treatment of storm water (A)</p> Signup and view all the answers

What is the role of the Inspection wing of the RCL?

<p>Quality control of production processes (A)</p> Signup and view all the answers

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