GTU BE 5th Semester 150505 Fundamentals of Chemical Engineering Unit Operations(Institute Elective – II ) Summer 2018 Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE – SEMESTER ?V (OLD) – EXAMINATION ? SUMMER 2018
Subject Code:150505 Date:07/05/2018
Subject Name:Fundamentals of Chemical Engineering Unit
Operations(Institute Elective – II )
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.
Q.1 (a) Explain about the different modes of heat transfer. 07
(b) Discuss about the various types of valve and their criteria for selection. 07

Q.2 (a) Define Unit Operation and list out the types of unit operations? Explain in brief
any three of them.
07
(b) Discuss the crushing laws and work index. 07
OR
(b) Explain the McCabe & Thiele method for calculation of number of trays and feed
tray location.
07

Q.3 (a) Write a short note on Cooling Towers. 07
(b) Explain with a neat sketch construction of tray drier. 07
OR
Q.3 (a) Explain construction and working principle of Rotameter with a neat sketch. 07
(b) Write a brief note on Steam distillation. 07

Q.4 (a) Explain construction and working of Filter press with a neat sketch. 07
(b) Define liquid-liquid extraction and the criteria for choice of solvent for
extraction.
07
OR
Q.4 (a) Explain working of cyclone separator with a neat sketch. 07
(b) Explain with a neat sketch construction and working of shell and tube heat
exchanger
07

Q.5 (a) Define fluid and discuss their types. Discuss in detail about Newtonian and
Non-Newtonian fluids.
07
(b) List out the various types of pumps and explain working principle of Centrifugal
pump.
07
OR
Q.5 (a) Explain construction and working of ball mill. 07
(b) With a neat figure explain the construction and working of fluid energy mill. 07
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