GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
Subject Name: Principles of Extractive Metallurgy
Time: 02:30 PM TO 05:00 PM Date: 05/12/2018 Total Marks: 70
Subject Code: 2142102
GUJARAT TECHNOLOGICAL UNIVERSITY
--- Content provided by FirstRanker.com ---
BE - SEMESTER-1V (NEW) EXAMINATION - WINTER 2018Subject Name: Principles of Extractive Metallurgy
Time: 02:30 PM TO 05:00 PM Date: 05/12/2018 Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
--- Content provided by FirstRanker.com ---
- (a) Draw basic flow diagram of Extractive metallurgy including all processes. [03]
(b) What are merits and demerits of Pyro metallurgical processes [04]
(c) List out Pyro metallurgical process. Explain roasting. [07] - (a) Draw flow sheet for production of Iron and Steel. [03]
(b) What is hydrometallurgy? Write merit and demerits of Hydro metallurgy. [04]
(c) Explain Ellingham diagram for oxide system. [07]
OR
(c) Describe the microbial leaching. [07] - (a) Explain in brief Fire Refining processes. [03]
(b) Explain in brief about Solvent Extraction process. [04]
(c) Explain smelting. Differentiate between Matte smelting and Reduction smelting processes [07]
OR
(a) Draw a simple flow sheet for extraction of Aluminum from bauxite ore. [03]--- Content provided by FirstRanker.com ---
(b) Write in detail about ion exchange process. [04]
(c) Define Leaching. Explain pressure leaching. [07] - (a) Draw flow sheet for production of Lead. [03]
(b) Draw a neat flow sheet for extraction of copper from its sulphide ore. [04]
(c) Differentiate between electro-winning and electro-refining. [07]--- Content provided by FirstRanker.com ---
OR
(a) What is heterogeneous and homogenous reaction? [03]
(b) Draw flow sheet of extraction of Zinc. [04]
(c) Explain Collision Theory of reaction kinetics [07] - (a) Derive equation for half life period of first order reaction [03]
--- Content provided by FirstRanker.com ---
(b) Derive Arrhenius Equation [04]
(c) Differentiate between Order of reactions and Molecularity. [07]
OR
(a) Write note on fuse salt electrolysis. [03]
(b) What is percolation leaching? List out advantage of it. [04]--- Content provided by FirstRanker.com ---
(c) Differentiate between palletizing and sintering. [07]
--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University