Download GTU B.Tech 2020 Winter 5th Sem 3152201 Mine Machinery Ii Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 5th Sem 3152201 Mine Machinery Ii Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?V (NEW) EXAMINATION ? WINTER 2020
Subject Code:3152201 Date:27/01/2021
Subject Name:Mine Machinery II
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) Define:
03
i.
Head
ii.
Air vessel
iii.
Snoring

(b) Classify different types of mine pumps.
04

(c) Using a neat labeled diagram explain the construction features and working
07
of a centrifugal pump.


Q.2 (a) Classify mine winders in detail.
03

(b) Draw torque-time diagram of:
04
i.
Balanced cylindrical drum winder with tail rope
ii.
Balanced cylindrical drum winder without tail rope

(c) Name the types of electric braking used on winders. Explain regenerative
07
braking.
Q.3 (a) Draw and explain the construction features of headgear.
03

(b) Give the advantages of multirope winding.
04

(c) Explain drum winding in detail.
07




Q.4 (a) Classify mechanical loaders.
03

(b) Write a note on safety arrangements used in winding.
04

(c) Compare drum winding and Koepe winding.
07
Q.5 (a) Explain creepers and tipplers.
03

(b) Write a note on tensioning arrangement of belt conveyor.
04

(c) Explain the working of continuous miner.
07



Q.6 (a) Classify pit top and pit bottom layouts.
03

(b) Explain types of guides.
04

(c) Explain run round arrangement using a neat diagram. Also give its
07
advantages and disadvantages.
Q.7 (a) Briefly explain types of cages used in underground mines.
03

(b) Classify conveyors.
04

(c) Using a neat diagram explain the construction of belt conveyor.
07



Q.8 (a) Write a note on gathering arm loader.
03
(b) Write a note on stage loaders.
04
(c) Explain types, construction and working of shearer using labeled diagram.
07
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