GTU B.Tech 2020 Winter Question Papers || Gujarat Technological University
Subject Name: Mining Machinery - I
Time: 10:30 AM TO 12:30 PM
Total Marks: 56
Subject Code: 2152201
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE- SEMESTER-V (NEW) EXAMINATION - WINTER 2020Subject Name: Mining Machinery - I
Time: 10:30 AM TO 12:30 PM
Total Marks: 56
Instructions:
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- Attempt any FOUR questions out of EIGHT questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
- a) Discuss the role of signaling system in winding. (03)
b) Describe the principle and operation of coal cutting machine. (04)--- Content provided by FirstRanker.com ---
c) Explain head gear design with neat sketch. (07) - a) Explain multi rope winding system. (03)
b) Describe the selection of face loaders for coal mines. (04)
c) Explain coal plough with their principle, operation and maintenance. (07) - a) Compare the rigid guides with flexible guides. (03)
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b) Explain the pit-top layout with neat sketch. (04)
c) List out different types of winding drums. Explain any one with neat sketch. (07) - a) Differentiate between cage winding and skip winding. (03)
b) Explain the pit-bottom layout with neat sketch. (04)
c) Explain Ward Leonard control system with neat-sketch. (07) - a) List out various safety devices used in mines. (03)
b) Describe various shaft fittings provide in-underground mines. (04)
c) Explain the principle types, operation and maintenance of face loaders. (07) - a) Describe mineral handling and screening equipments. (03)
b) Explain in brief list of sereening equipment used in mines. (04)--- Content provided by FirstRanker.com ---
c) Explain the layout of faces for working with power loaders under varied conditions. (07) - a) Describe the various construction features of Face loaders. (03)
b) Discuss the selection of coal plough. (04)
c) Explain electrical braking system of winding with neat sketch. (07) - a) Discuss the efficiency of coal cutting machines and their selection. (03)
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b) Discuss the selection procedure for continuous miner. (04)
c) Explain mechanical braking system of winding with neat sketch. (07)
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Date: 01/02/2021
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