GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
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GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-VIII (NEW) EXAMINATION — WINTER 2018
Subject Code: 2180508 Date: 19/11/2018
Subject Name: Solid-Fluid Operations
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
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- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| MARKS | ||
| Q.1 | (a) Explain any three solid fluid operations | 03 |
| (b) Describe sedimentation and elutriation methods | 04 | |
| (c) Explain about the characterization of size, shape and density plays role in solid fluid operations | 07 | |
| Q.2 | (a) What is the difference between mixing and agitation also write purpose for agitation | 03 |
| (b) Write a short note on static mixers | 04 | |
| (c) Give different types of agitators used with their applications | 07 | |
| OR | ||
| (c) Derive hindered settling velocity equation | 07 | |
| Q.3 | (a) Explain process of fluidization with its applications | 03 |
| (b) What is particulate fluidization | 04 | |
| (c) Explain with neat sketch bed design and bubbling behavior | 07 | |
| OR | ||
| Q.3 | (a) Write a short note on slurry transport | 03 |
| (b) Explain belt conveyor, screw conveyor; bucket elevator, vibrating conveyor | 04 | |
| (c) Explain working of cyclone separator with neat sketch | 07 | |
| Q.4 | (a) Write the important factors for rate of filtration | 03 |
| (b) Write advantages and disadvantages of plate filter press with neat sketch | 04 | |
| (c) What are filter aids, also give sink and float method | 07 | |
| OR | ||
| Q.4 | (a) Explain process of sedimentation with industrial example | 03 |
| (b) Write a short note on cyclone separator | 04 | |
| (c) Describe in detail about counter current multiple contact leaching | 07 | |
| Q.5 | (a) Write a short note on kennedy extractor | 03 |
| (b) What is nucleation in crystallization | 04 | |
| (c) Explain growth of crystals in detail | 07 | |
| OR | ||
| Q.5 | (a) Write short note on slurry bed reactor | 03 |
(b) Explain the terms
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| (c) Explain the difference between fluidized bed reactor and fixed bed reactor | 07 |
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