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pig iron can be easily obtained by processing of iron ore in a cupola b bessemer converter c open hearth furnace d blast furnace

US3188197A US244003A US24400362A US3188197A US 3188197 A US3188197 A US 3188197A US 244003 A US244003 A US 244003A US 24400362 A US24400362 A US 24400362A US 3188197 A US3188197 A US 3188197A Authority US United States Prior art keywordsore furnacehot metal bathironPrior art date 1962-12-12 Legal status (The legal status is an assumption and is not a legal …

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www.mcq4exam.com mechanical engineering

b) Bessemer converter c)Pudding furnace d) Blast furnace Answer: c Explanation: Iron from its pig iron form is converted to wrought iron in pudding furnace. As pig iron is very weak in strength hence it can not be used for practical purpose. 38.Steelcan be easily obtained in: a) Cupola b) Blast furnace c)Pudding furnace d) Bessemer converter Answer: d Explanation: Iron from its pig iron form is converted to steel …

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iron processing britannica

Iron processing, use of a smelting process to turn theoreinto a form from which productscanbe fashioned.Included in this article also is a discussion of the miningof ironand of its preparation for smelting.Iron(Fe) is a relatively dense metal with a silvery white appearance and distinctive magnetic properties. It constitutes 5 percent by weight of the Earth’s crust, and it is the

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engineering materials 2 objective questions and answer

b) Less than.c) More than.d) None of these . Q5. The fuel used in ablast furnaceis. a) Coal.b) Coke.c) Wood.d) Producer gas . Q6. The coke in the charge ofblast furnace. a) Controls the grade ofpig iron.b) Acts asiron-bearing mineral.c) Supplies heat to reduceoreand melt theiron.d) Forms a slag by combining with impurities . Q7

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www.mcq4exam.com mechanical engineering

37. Wroughtiron can be easily obtained by processing iron ore in: a) Cupola b)Bessemer converter c) Puddingfurnace d)Blast furnaceAnswer:cExplanation:Ironfrom itspig ironform is converted to wroughtironin puddingfurnace. Aspig ironis very weak in strength hence itcannot be used for practical purpose. 38. Steelcan be easily

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trace pollutant emissions from the processingof metallic ores

2.4.4Pig IronProduction 12}Blast furnace- Theblast furnacereduces theiron oreto producepig iron.Iron-bearing materials (iron ore, sinter pellets, mill scale,open hearthor basic-oxygen-process slag,ironor steel scrap), coke, and fluxes are charged into 2-20

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iron processing article aboutiron processingby the

Ironores are refined in theblast furnace blast furnace, structure used chiefly in smelting. The principle involved in this means of extracting metals is that of the reduction of the ores by the action of carbon monoxide, i.e., the removal of oxygen from the metal oxide in order to obtain the metal

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9 steel industry raw materials and wastes sciencedirect

Jan 01, 1993· Photograph 9.1:Blastfurnaces in Spain (source: Richards, Moorehead and Laing Ltd) 260STEEL INDUSTRY RAW MATERIALS AND WASTES9.1.4Ironcasting To produce castiron,pig ironis remeltedin a cupola, afurnacesimilar to theblast furnace, though …

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engineering materials 2 objective questions and answer

b) Less than.c) More than.d) None of these . Q5. The fuel used in ablast furnaceis. a) Coal.b) Coke.c) Wood.d) Producer gas . Q6. The coke in the charge ofblast furnace. a) Controls the grade ofpig iron.b) Acts asiron-bearing mineral.c) Supplies heat to reduceoreand melt theiron.d) Forms a slag by combining with impurities . Q7

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us3336132a stainless steel manufacturing process and

US3336132A US350297A US35029764A US3336132A US 3336132 A US3336132 A US 3336132A US 350297 A US350297 A US 350297A US 35029764 A US35029764 A US 35029764A US 3336132 A US3336132 A US 3336132A Authority US United States Prior art keywords chromium carbon oxygen silicon metal Prior art date 1964-03-09 Legal status (The legal status is an assumption and is not a …

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test 4flashcards quizlet

11. Today, the two most important processes in steelmaking are which of the following (two correct answers): (a) basic oxygenfurnace, (b)Bessemer converter, (c) electric arcfurnace, (d) inductionfurnace, and (e)open hearth furnace?

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how tomanufacture steel 8 processes metallurgy

Thefurnaceused in this process resembles a reverberatoryfurnace. Herepig ironis melted in thefurnaceand large quantity of scrapironor steel is dissolved in the liquid bath. The source of heat is heated air and coal gas. Inopen hearth furnacea great economy in fuel isobtainedby the utilisation of heat of the hot gases of combustion

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guide to steel and stainless steel descriptions, types

500B.C.: Wootz steel is produced in India using a clap potblast furnaceThe 1300’s: low-quality steel produced by the Egyptians called blister steel The 1400’s: Metallurgists removed impurities from castironthrough remelting through a process called “refining” which produced a malleable steel

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steelglossary glossary of terms platts

Hot end refers to stages in which metal is either molten, or is solid butcanonly be worked at elevated temperatures. So it includes theblast furnaceandconverter(iron orebased steelworks), and electric arcfurnace(scrap based steelmaking), along with any secondary metallurgy stages, casting and hot rolling

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manufacturing processes [1 nbsp;ed.] 0026649403

Additive Manufacturing Processes [1st ed.] 9783030450885, 9783030450892. This book provides a single-source reference to additive manufacturing, accessible to anyone with a basic background in

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trace pollutant emissions from the processingof metallic ores

2.4.4Pig IronProduction 12}Blast furnace- Theblast furnacereduces theiron oreto producepig iron.Iron-bearing materials (iron ore, sinter pellets, mill scale,open hearthor basic-oxygen-process slag,ironor steel scrap), coke, and fluxes are charged into 2-20

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the metallurgy ofsteel sciencedirect

Pig ironis then ru~ in, coming by a channd from acupolaor reverber- atoryfurnace, or in some places brought in ladles direct'from theblast furnace. The apparatus being constructed for produc- ing five tons of metal, the charge will occupy only a tenth part of the cubical contents of theconverter

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iron processing academic dictionaries and encyclopedias

The main product, moltenpig iron(also called hot metal orblast-furnace iron), is tapped from the bottom of thefurnaceat regular intervals. Productivity is measured by dividing the output by the internal working volume of thefurnace; 2 to 2.5 tons per cubic metre (125 to 150 pounds per cubic foot)canbeobtainedevery 24 hours from

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oxygen processes in the steel industry sciencedirect

COlllllUSTION OF FUEL GASES In theOpen Hearth furnacesteel is made from varying proportions of hotironstraight from theblast furnace, coldpig iron, scrap,iron oreand limestone, and the proportion of these materials varies with their supply, their availability and the extent to whichiron…

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us2523475a method of reducing the carbon contentof

US2523475A US149492A US14949250A US2523475A US 2523475 A US2523475 A US 2523475A US 149492 A US149492 A US 149492A US 14949250 A US14949250 A US 14949250A US 2523475 A US2523475 A US 2523475A Authority US United States Prior art keywords metal carbonfurnaceair melt Prior art date 1950-03-14 Legal status (The legal status is an assumption and is not a legal conclusion

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get science help may 2013

CastIron Pig ironalong with scrapiron, coke and limestone is melted in a verticalfurnacecalledcupola. Here also the carbon and other impurities present oxidise in presence of a little amount of air, to form slag. The molteniron obtainedfromcupola furnace canbe cast into moulds. It is, therefore, known as castiron

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