GTU BE 2019 Summer Question Papers || Gujarat Technological University
Subject Name: Mining Machinery - I1
Time: 02:30 PM TO 05:00 PM
Date: 20/06/2019
Total Marks: 70
Subject Code: 2152201
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-V (NEW) EXAMINATION - SUMMER 2019Subject Name: Mining Machinery - I1
Time: 02:30 PM TO 05:00 PM
Date: 20/06/2019
Total Marks: 70
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Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
- (a) Compare the rigid guides with flexible guides. (03 Marks)
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(b) Compare cage winding with skip winding. (04 Marks)
(c) What are the different safety detaching hooks? Describe in detail one of it with sketch. (07 Marks) - (a) Explain: shaft fittings. (03 Marks)
(b) Write a short note on cage attachment to winding rope. (04 Marks)
(c) Explain head gear design with neat sketch. (07 Marks)--- Content provided by FirstRanker.com ---
OR
(c) Explain keps in detail with sketch, advantages and disadvantages. (07 Marks) - (a) Write advantages of multi rope winders. (03 Marks)
(b) Compare drum winding with friction winding (04 Marks)
(c) List of safety devices on winders. (07 Marks)--- Content provided by FirstRanker.com ---
OR
(a) Explain: Multirope system of winding (03 Marks)
(b) Write down the disadvantages of koepe winding. (04 Marks)
(c) Explain with neat sketch: Mechanical breaks on winders. (07 Marks) - (a) Write an applicability of coal cutting machine. (03 Marks)
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(b) Explain in brief list of screening equipment used in mines. (04 Marks)
(c) Explain and draw pit-top layout with run-round arrangement. (07 Marks)
OR
(a) Explain: Maintenance of face loaders for coal mines. (03 Marks)
(b) Explain signaling system in mines. (04 Marks)--- Content provided by FirstRanker.com ---
(c) Explain and draw pit-top layout/arrangement for a skip. (07 Marks) - (a) Explain: Coal plough (03 Marks)
(b) Describe the principle and operation of coal cutting machine. (04 Marks)
(c) Describe in-detail any one continuous coal face machine which is used in longwall mining? (07 Marks)
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(a) Explain: Rocker shovel (03 Marks)
(b) Describe the continuous miner (04 Marks)
(c) Which are the different mechanical loaders used in underground coal mines? Describe gathering arm loader with sketch. (07 Marks)
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