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Saturday, January 9, 2016

VTU B.E Surface Mining 2015 Question Paper

VTU Question Paper
Department of Mining
B.E. Degree Examination
Sixth Semester
Surface Mining
June / July 2015 Question Paper
Max. Marks:100
Time: 3 Hours

Question Paper Code : 10M61
Sixth Semester B.E. Degree Examination, June/July 2015
Surface Mining
Time: 3 hrs. Max. Marks: 100
Note: Answer any FIVE full questions, selecting atleast TWO questions from each part.
PART-A
1 a. Explain the general consideration for the application, limitation of open cast mining with
advantages and disadvantages. (14 Marks)
b. Write a short note on selection of site for box cut. (06 Marks)
2 a. Explain the dimension of open cast bench. (08 Marks)
b. Explain the various types of slope failures. (12 Marks)
3 a. Explain the mechanics of rotary drilling. (10 Marks)
b. Explain the mechanics of blasting with explosive. (10 Marks)
4 Write short notes on: i) Air blast; blasting.
ii) Ground vibration; iii) Heavy blasting; iv) Smooth (20 Marks)
PART-B
5 Explain the application, Iimitation, advantages and disadvantages of placer mining. (20 Marks)
6 Explain the dragline with a neat sketch with its application, limitations, advantages and disadvantages. (20 Marks)
7 Explain the bucket wheel excavators with its application, limitation, advantages and disadvantages. (20 Marks)
8 a. Explain the factors influencing the selection of equipments. (10 Marks)
b. Write a short note on in pit crusher. (10 Marks)

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