Download GTU B.Pharma 2019 Summer 1st Sem 2210001 Unit Operation I Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Pharma (Bachelor of Pharmacy) 2019 Summer 1st Sem 2210001 Unit Operation I Previous Question Paper

Seat No.: _____ Enrolment No. _____________
GUJARAT TECHNOLOGICAL UNIVERSITY
B.PHARM - SEMESTER? 1 EXAMINATION ? SUMMER -2019
Subject Code: 2210001 Date: 28-05-2019
Subject Name: Unit Operation-I
Time: 10:30 AM TO 01:30 PM
Total Marks: 80
Instructions:


1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Explain principle, construction, working, advantages and disadvantages of 06
Swenson Walker crystallizer with the help of a diagram.

(b) Explain Mier's Super saturation theory. Discuss its limitations and applications
05

(c) Write a note on spherical crystallization.
05



Q.2 (a) Write a note on construction, principle, working, advantages, disadvantages and 06
Applications of fluid energy mill.

(b) Explain factor affecting size reduction.
05

(c) Explain in detail Kick's theory, Bond's theory and Rittinger's theory for energy 05
requirements in size reduction.



Q.3 (a) Enumerate methods for determination of particle size. Write a note on Sieve 06
Shaker.

(b) Give the classification of powders based on size and list the specification and 05
standard for sieves

(c) Describe the construction, working, and uses of cyclone separator with the help 05
of a diagram



Q.4 (a) Write a note on mechanism and theory of mixing
06

(b) Give examples of high shear and low shear mixers. Explain degree of mixing.
05

(c) Explain in detail the Planetary mixer.
05



Q.5 (a) With a neat diagram explain the advantages and disadvantages of double cone 06
Mixer.

(b) Write a note on solvents used for extraction.
05

(c) Differentiate maceration and percolation along with examples
05



Q. 6 (a) Define extraction and explain theory of extraction
06

(b) Explain in detail flow level measurement in automated process control system
05

(c) What is caking of crystals? Explain methods for prevention of caking of 05
crystals



Q.7 (a) What are possible industrial hazards? How can they be controlled?
06

(b) Write a note on waste water treatment in pharmaceutical industry.
05

(c) Write a note on temperature measurement in automated process control system
05
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