Jawaharlal Nehru Technological University Hyderabad 2003 B.Tech Metallurgy and Material Technology I Supplementary s, ember- METALLURGICAL ANALYSIS - Question Paper

No:NR-11801

I B.Tech. Supplementary Examinations, November-2003

METALLURGICAL ANALYSIS
(Metallurgy and Material Technology)
Time: three hours Max. Marks: 80
ans any 5 ques.
All ques. carry equal marks
- - -

1. a) What is a sample and discuss briefly how a sample is prepared.
b) Explain, giving examples, how complexometric titrations are useful in metallurgical analysis.

2. a) Discuss basic principles of chemical analysis of Slags.
b) Explain the analysis of Brass for Copper and Zinc.

3. a) Discuss in detail the method of estimation of Sulphur and phosphorous in Steels.
b) What are the requisites of redox indicators?

4. a) What are the methods used for fire-arraying? discuss.
b) Give a detailed procedure for the analysis of Lime Stone.

5. a) Discuss how moisture and total iron in iron ores are determined for blast furnace use.
b) Describe completely the process of determination of manganese in manganese ore.

6. a) Explain the principles and applications of polarographic techniques.
b) Discuss briefly Spectorscopic analysis.

7. a) Critically explain the principles and applications of Calorimetric analysis.
b) Describe the procedure involved in the calorimetric determination of ferrous and ferric ions in solution.

8. Write short notes on any 4 of the subsequent.
a) Lambert’s and Beer’s legal regulations.
b) Proximate analysis of Coke.
c) Copriciptation and post precipitation
d) Electrolysis method of analysis
e) Calorific value of Coal.

Earning:   Approval pending.