Download GTU BE/B.Tech 2019 Winter 6th Sem New 2162202 Underground Metal Mining Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 6th Sem New 2162202 Underground Metal Mining Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? VI (New) EXAMINATION ? WINTER 2019
Subject Code: 2162202 Date: 04/12/2019

Subject Name: Underground Metal Mining

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.


MARKS

Q.1 (a) Write a short note on lead-zinc deposit of India. 03
(b) Describe the different working methods adopted in Khetri Copper
Complex.
04
(c) Write the application and preparation of top slicing method. 07

Q.2 (a) Write a short note on Burn cut drilling pattern with cross-sectional
diagram.
03
(b) Describe the classification of stoping methods. 04
(c) Write a note on Zawar group of mines.(Name of mines with their
specification and their methodology of working)
07
OR
(c) Draw a general layout of underground metal mining and explain its
terminology.
07
Q.3 (a) Name different conventional secondary breaking methods. Explain any
one.
03
(b) Write a note on material of backfill and their procurement. 04
(c) Describe the sub-level open stoping with neat sketch. 07
OR
Q.3 (a) Write the application of sub level open stoping. 03
(b) Name the different tertiary crusher. Explain any one. 04
(c) Describe the mechanical method of secondary breaking. 07
Q.4 (a) Write the advantages and disadvantages of shrinkage mining method. 03
(b) Describe the application of room and pillar mining. 04
(c) Explain the VCR method with figure. 07
OR
Q.4 (a) Explain the preparation of hydraulic backfill material. 03
(b) Write a note on Jaw crusher. 04
(c) Explain the shrinkage stoping with pillars. 07
Q.5 (a) Describe the pneumatic method of back filling. 03
(b) Write the advantages and disadvantages of square set mining method. 04
(c) Write a note on cut & fill method. 07
OR

Q.5 (a) Explain the mechanical method of back filling. 03
(b) Write a note on Cone crusher. 04
(c) Name the different caving method. Explain any one. 07

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