Master of Science II (Industrial Chemistry)
Examination: Oct Nov 2016 Semester III (New CBCS)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SD
199
Wednesday
16/11/2016
02:30 P.M
to
05:30 P.M
Unit Operation in
Chemical engineering
C
XIII
Instructions: Answer any five questions.
All questions carry equal marks.
Section-I is compulsory.
Attempt any two questions from Section II.
Attempt any two questions from Section III.
Figure to the right indicate full marks.
Total Marks:70
SECTION I
Q.1 Answer the following: 14
What are the factors that affect the rate of leaching?
What is Constant pressure filtration?
On what principle does the Hammer mill achieve size reduction of a solid?
Which qualities do a filter aids should possess?
What are the disadvantages of vertical tube evaporator?
What are the properties of evaporating liquid that influence the process of
evaporation?
What is meant by deliquescence?
What is azeotropic breaker?
What is Extractive distillation?
What is meant by entertainment?
What are the advantages of Rotary drum filter?
What is crystal growth?
What are the advantages of tray drier?
What is Reboiler?
SECTION II
Q.2 Discuss in detail Multiple effect Evaporator. 07
Describe in detail the working of Rotocel oil seed extractor. 07
Q.3 Describe in detail the working of Valve plate and sieve plate column used in
Distillation.
07
Explain in detail construction and working of continuous vacuum crystallizer. 07
Q.4 What are the different types of screening equipments used in industry? Explain
in detail the construction and working of Grizzlies.
07
Explain the principle, construction and working of Ball mill. 07
SECTION III
Q.5 Explain in detail the U-tube heat exchanger. 05
Discuss vapor liquid Equilibria. 05
How forced circulation evaporator is better than other types of evaporator?
Discuss.
04
Q.6 Explain in details spray dryer. 05
What are the different Propellers used in Agitated vessel? 05
How does Rotating disc contactor used in extraction? 04
Q.7 Write a note on any three of the following: 14
Centrifugal filter
Methods of Supersaturation
Continuous counter current extraction
Fixed tube sheet 1-2 heat exchanger