Download GTU B.Pharma 2018 Summer 1st Sem 2210001 Unit Operation I Question Paper

Download GTU (Gujarat Technological University) B.Pharma (Bachelor of Pharmacy) 2018 Summer 1st Sem 2210001 Unit Operation I Previous Question Paper

Seat No.: _____ Enrolment No. _____________
GUJARAT TECHNOLOGICAL UNIVERSITY
B. Pharm. - SEMESTER?1 ? EXAMINATION ? SUMMER -2018
Subject Code: 2210001 Date: 01/05/2018
Subject Name: Unit Operation-I
Time: 02:30 PM TO 05:30 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) Discuss the objectives and importance of size reduction with examples.
06

(b) Describe theories for energy requirement in size reduction.
05

(c) Explain the construction, working, advantages, disadvantages and uses of fluid
05
energy mill.



Q.2 (a) Describe pharmacopoeial standards for sieves. How powders are classified
06
according to size as per Indian Pharmacopoeia.

(b) Explain particle size determination by sedimentation.
05

(c) Describe cyclone separator.
05



Q.3 (a) Classify mixing equipments based on scale of mixing.
06

(b) Discuss planetary motion mixer for mixing.
05

(c) Classify liquid mixers and explain propeller mixer in detail.
05



Q.4 (a) Describe Mier's theory for supersaturation with limitations.
06

(b) What is polymorphism and give its significance and explain the importance of
05
crystallization in pharmaceutical industries.

(c) Describe Swenson-Walker crystallizer with diagram.
05



Q.5 (a) Enumerate solvent employed for extraction. Describe the properties of water
06
and ethanol as solvents for extraction.

(b) Write a note on supercritical fluid extraction.
05

(c) Applications of extraction and leaching in pharmacy.
05



Q. 6 (a) Explain in detail flow level measurement in automated process control system.
06

(b) Write a note on automated process control system for temperature control.
05

(c) Describe percolation method for extraction.
05



Q.7 (a) Write in brief about waste water treatment in pharmaceutical industry.
06

(b) Explain various industrial hazards and the measures to combat them.
05

(c) Discuss caking in crystals and How to prevent it.
05
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