07a1ec08-metallurgical-analysis

Set No. 1

Code No: 07A1EC08

I B.Tech Supplimentary Examinations, Aug/Sep 2008 METALLURGICAL ANALYSIS (Metallurgy & Material Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. Explain qualitative and quantitative analysis in detail.

[16]

2. Explain the borax bead test and flame test.

[16]

3. Discuss the procedure in determining silicon in plain carbon steels.

[16]

4. (a) List out various methods to determine molybdenum in iron and steel. Briefly explain any one. (b) List out various methods to determine tungsten in iron and steel. Briefly explain any one. [8+8] 5. Explain Assay of Copper bullion by crucible and scorification method.

[16]

6. Mention the theories of absorptiometry and explain any two.

[16]

7. (a) Explain Potentiometric titration of a HCl-H3 PO4 mixture. (b) Discuss the DC Arc Emission Spectroscopy for metallic impurities.

[8+8]

8. (a) Describe inorganic polarography. (b) Describe organic polarography. ⋆⋆⋆⋆⋆

1 of 1

[8+8]

Set No. 2

Code No: 07A1EC08

I B.Tech Supplimentary Examinations, Aug/Sep 2008 METALLURGICAL ANALYSIS (Metallurgy & Material Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. Explain the terms: (a) Molarity (b) Normality (c) Molality.

[16]

2. Explain the analysis of neutral flux fluorspar.

[16]

3. Discuss the procedure in determining silicon in plain carbon steels.

[16]

4. (a) Discuss the procedure to determine nickel in steel by dimethylglyoxime method. (b) Explain in detail estimation of nickel in iron and steel by cyanide method. [8+8] 5. Explain the following: (a) Assay of Cyanide mill slimes (b) Assay of Cyanide solutions.

[16]

6. Mention the theories of absorptiometry and explain any two.

[16]

7. (a) Explain Potentiometric titration of a HCl-H3 PO4 mixture. (b) Discuss the DC Arc Emission Spectroscopy for metallic impurities.

[8+8]

8. (a) Describe inorganic polarography. (b) Describe organic polarography. ⋆⋆⋆⋆⋆

1 of 1

[8+8]

Set No. 3

Code No: 07A1EC08

I B.Tech Supplimentary Examinations, Aug/Sep 2008 METALLURGICAL ANALYSIS (Metallurgy & Material Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. Explain the terms: (a) Molarity (b) Normality (c) Molality.

[16]

2. Elaborately explain the analysis of lime stone, dolomite and magnesite.

[16]

3. (a) Draw a neat sketch and explain the apparatus for the determination of carbon by combustion method. (b) Explain a method to determine combined carbon.

[8+8]

4. (a) What are the main reactions which are involved while determining tungsten in steel? (b) Explain the process of determining nickel and iron by electrolysis.

[4+12]

5. (a) With neat sketch explain the principle and working of a Muffle furnace. (b) Explain the methods of Cupel manufacturing.

[6+10]

6. Explain in detail the carbon and hydrogen determination assembly with neat sketch. [16] 7. (a) Draw and explain the working principle of Cambridge potentiometer. (b) Explain the nature of mass spectra and fragmentation pattern.

[8+8]

8. (a) Describe inorganic polarography. (b) Describe organic polarography. ⋆⋆⋆⋆⋆

1 of 1

[8+8]

Set No. 4

Code No: 07A1EC08

I B.Tech Supplimentary Examinations, Aug/Sep 2008 METALLURGICAL ANALYSIS (Metallurgy & Material Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. Explain in detail the four steps of metallurgical analysis with an example.

[16]

2. Explain the borax bead test and flame test.

[16]

3. Explain the methods used in determination of copper in brass,manganese and aluminium bronzes. [16] 4. (a) List out various methods to determine molybdenum in iron and steel. Briefly explain any one. (b) List out various methods to determine tungsten in iron and steel. Briefly explain any one. [8+8] 5. (a) Explain the different methods of assaying ores having reducing power. (b) Give the method of assay of ores containing nickel and cobalt.

[8+8]

6. Explain in detail the carbon and hydrogen determination assembly with neat sketch. [16] 7. (a) Draw and explain the working principle of Cambridge potentiometer. (b) Explain the nature of mass spectra and fragmentation pattern.

[8+8]

8. (a) Describe inorganic polarography. (b) Describe organic polarography. ⋆⋆⋆⋆⋆

1 of 1

[8+8]