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

1.a) What is the purpose of sampling? For a sample derive the relationship ranging from the maximum size of the particle and the weight.
b) Describe how a sample is prepared.

2.a) Explain the importance of chemical analysis in Metallurgical Industries.
b) Differentiate ranging from qualitative and quantitative analysis.
c) Write briefly an analysis of slag.

3. Give experimental procedure for the estimation of:
(a) Phosphorous in steels. (b) Graphite in Cast Irons.

4.a) What are the principles of fire assaying? List the advantages and disadvantages of fire assaying.
b) Explain briefly how vanadium in alloy steels estimated.

5.a) State Lambert’s and Beer’s laws.
b) Discuss the procedure of estimation of manganese in manganese ore.
c) Give a brief account of the steps involved in the estimation of iron in iron ore.

6.a) What are the principles involved in Calorimetric method of analysis?
b) Discuss in detail the procedure involved in the calorimetric determination of Ferrous and Ferric ion in solution.

7.a) What is a polarograph? discuss it with the help of a circuit diagram.
b) Discuss briefly the importance of spectroscopic analysis.

8. Write briefly on any 4 of the following:
(a) Estimation of Lime in Limestone.
(b) Analysis of Coke.
(c) Absorptiometry.
(d) Sampling of fuel gases.
(e) Analysis of Brasses.

Earning:   Approval pending.