Download GTU BE/B.Tech 2018 Winter 8th Sem New 2180508 Solid Fluid Operations Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 8th Sem New 2180508 Solid Fluid Operations Previous Question Paper

Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

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:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. 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
a. bound moisture
b. free moisture
c. percentage humidity
d. percentage relative humidity
04
(c) Explain the difference between fluidized bed reactor and fixed bed
reactor
07
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