Code No: 321854 III-B.Tech. II-Semester Supplementary Examinations, May-2004 IRON PRODUCTION (Metallurgy and Material Technology) Max. Marks: 70 Answer any FIVE questions All questions carry equal marks ---
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Time: 3 Hours
Describe the historical evidence of iron making processes?
2.
What are the various refractories used in blast furnace from top to bottom? Give your reasons.
3.
What are the differences between hearth and Bosh coolers?
4.
Describe the reactions in Stack zone of blast furnace.
5.
What are the various constituents of blast furnace slags?
6.
What are the differences between ‘fanning’ and ‘back draughting’ in blast furnace?
7.
What are the latest developments in Bell construction and operation in the modern blast furnace?
8.
How many types of sponge Iron production are there? Explain any one.
IRON PRODUCTION · (Metallurgy and Material Technology) · Time: 3 Hours · Max. Marks: 70 · Answer any FIVE questions · All questions carry equal marks · - - - · 1. Describe the historical evidence of iron making processes? 2. What are the various refractories used in blast furnace from top to bottom? Give · your reasons.
IRON PRODUCTION · (Metallurgy & Material Technology) · Time: 3 hours · Max. Marks: 70 · Answer any FIVE questions · All questions carry equal marks · - - - · 1.a) What are the functions of coke and flux in the blast furnace burden? b) Discuss the imp
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