Download GTU BE/B.Tech 2019 Summer 4th Sem New 2142206 Surface Mine Production Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 4th Sem New 2142206 Surface Mine Production Previous Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?IV(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2142206 Date:25/05/2019
Subject Name: Surface Mine Production
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) Define the following term: Bench Height, Bench Width and Slope Angle. 03
(b) Differentiate between the overall pit slope angle and ultimate pit slope
angle.
04
(c) Write the advantages and disadvantages of surface mining.

07

Q.2 (a) Enlist the different types of shovel. Explain any one. 03
(b) Explain the overcastting by dragline. 04
(c) Discuss factors influencing selection and characteristics of surface
mining methods.
07
OR
(c) Describe the stages of life of surface mine. 07
Q.3 (a) Write the application of pipe line transportation. 03
(b) Write a short note on the Ripper. 04
(c) Explain plaster shooting and pop shooting. 07
OR
Q.3 (a) Draw a table which describes the different shovel-dumper combinations
with respect to minimum production/day.
03
(b) Write a short note on the Grader. 04
(c) What is blasting? Explain secondary blasting in brief. 07
Q.4 (a) Write short note on different drainage patterns. 03
(b) Write a short note on the Bull dozer. 04
(c) What do you mean by overcastting? Explain the overcastting by blasting
with neat sketch.
07
OR
Q.4 (a) List the different types of slope failures. Explain any one. 03
(b) Write a short note on the Scraper. 04
(c) Explain different types of drilling patterns used in surface mining. 07
Q.5 (a) Write a short note on Power shovel. 03
(b) Draw a flow chart of different operations of open cast mining. 04
(c) Describe the criteria for selection and performance of different types of
drilling equipments.
07
OR
Q.5 (a) Write a short note on Front end loaders. 03
(b) Explain the multi row blasting with neat sketch. 04
(c) Explain the major operations that take place in surface mining. 07

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