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

Code 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
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1.a) Discuss sampling of different metals and alloys. provide a brief description of sampling of ores.
b) Define the terms : Normality, Molality, Molarity and Mole fraction.

2.a) Discuss the importance of chemical analysis in Metallurgical Industries.
b) Give a detailed note on classification of different methods used in metallurgical analysis.

3.a) Explain how copper is estimated in Brass.
b) Describe how sulphur in steels estimated.
c) Discuss estimation of carbon in cast irons.

4.a) Give a brief account of the steps involved in the estimation of iron in iron ore.
b) Describe briefly the procedure for the analysis of Lime stone.

5. Discuss briefly any 2 of the subsequent :
(a) Physico-chemical methods of analysis.
(b) Principles of fire assay methods.
(c) Analysis of coal.

6.a) Discuss briefly principle and applications of calorimetric analysis.
b) Describe how nickel is determined calorimetrically.

7.a) Describe a method for single beam di rect revolving photometer.
b) What is the principle involved in absorptiometry ?
c) What is a polarograph ? And indicate the important applications of polarographic technique.

8. Write short notes on any 4 of the subsequent :
(a) Estimation of Mo in alloy steels.
(b) Spectroscopy
(c) Potentiometric titration
(d) Beer-Lambert’s legal regulations.

Earning:   Approval pending.