Download GTU B.Tech 2020 Winter 7th Sem 2172204 Mineral Processing Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 7th Sem 2172204 Mineral Processing Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?VII (NEW) EXAMINATION ? WINTER 2020
Subject Code:2172204 Date:30/01/2021
Subject Name:Mineral Processing
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.



MARKS
Q.1 (a) Write a note on industrial screens.
03

(b) Write down the principal steps of mineral processing.
04

(c) Explain different methods of sampling.
07
Q.2 (a) What is the purpose of collectors?
03

(b) Explain: mobile crushing unit.
04

(c) Briefly explain gravity concentration.
07




Q.3 (a) Define: (i) Collectors (ii) jigging.
03

(b) Write down on Advantage and disadvantage of jigs.
04

(c) Write short note on heavy media separation.
07




Q.4 (a) Explain vibrating tables in brief.
03

(b) Write the objectives of grinding.
04

(c) Explain: Methods used in ore dressing.
07



Q.5 (a) Write a note on laboratory sieve analysis.
03

(b) Define the following term: (1) Ore (2) Mineral.
04

(c) Explain the electrostatic separator.
07



Q.6 (a) Explain: crushing, sizing and cleaning of coal.
03

(b) Which mineral properties are being helpful during separation?
04

(c) What is mineral processing? How is it useful to mining industry?
07



Q.7 (a) Write note on Flowing.
03

(b) Explain the differentiate between Crushing and Grinding.
04

(c) Draw a flow sheet for bituminous coal.
07



Q.8 (a) Write a note on Thickening.
03
(b) Write merits and demerits of mineral processing.
04
(c) Explain Communition and Liberation in detail.
07

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