Download GTU BE/B.Tech 2018 Winter 4th Sem New 2142206 Surface Mine Production Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 4th Sem New 2142206 Surface Mine Production Previous Question Paper

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1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?IV (NEW) EXAMINATION ? WINTER 2018
Subject Code:2142206 Date:12/12/2018

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 Bench Height & Width. 03
(b) Draw a flow diagram of mineral extraction & mineral transportation in open cast
mining
04
(c) Define Explosive. Explain Multi Row Blasting. 07
Q.2 (a) What do you mean by O.M.S? 03
(b) How is over burden removes in open cast mining? 04
(c) Explain Bucket Wheel Excavator in brief. 07
OR
(c) Explain Secondary Blasting and Coyote Blasting 07
Q.3 (a) Write the DGMS?s guideline for calculating the width of the haul road. 03
(b) Write a short note on the application of reclaimers. 04
(c) Write down various factors influencing Stability of Slopes 07
OR
Q.3 (a) What do you mean by secondary blasting? 03
(b) Enlist the types of haul road. Explain any one with neat sketch. 04
(c) Write a short note on Grading and Ripping. 07
Q.4 (a) Write use of Front End Loader. 03
(b) Write a short note on belt conveyor system of transportation. 04
(c) Write a short note on choice of mining methods. 07
OR
Q.4 (a)
What do you mean by Bulldozing?
03
(b) Write note on Coyote Blasting 04
(c) Write a short note on system of disposal of overburden 07
Q.5 (a) Give any four examples of High explosive. 03
(b) Write note on Scraping and Grading 04
(c) Write down factors influencing selection and characteristics of opencast work. 07
OR

Q.5 (a) Why slope failure in opencast mine? Give reason. 03
(b) Describe the various factors influencing choice of excavating and loading
machine.
04
(c) Write advantage and disadvantage of Surface Mining. 07
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