Seat No.:
Subject Code: 2210001
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Enrolment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
B. Pharm. - SEMESTER-1 EXAMINATION - SUMMER -2018
Subject Name: Unit Operation-I
Time: 02:30 PM TO 05:30 PM
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Instructions:
- Attempt any five questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| Q.1 | (a) Discuss the objectives and importance of size reduction with examples. --- Content provided by FirstRanker.com --- (b) Describe theories for energy requirement in size reduction.(c) Explain the construction, working, advantages, disadvantages and uses of fluid energy mill. | 06 05 05 |
| Q.2 | (a) Describe pharmacopoeial standards for sieves. How powders are classified according to size as per Indian Pharmacopoeia. (b) Explain particle size determination by sedimentation. --- Content provided by FirstRanker.com --- (c) Describe cyclone separator. | 06 05 05 |
| Q.3 | (a) Classify mixing equipments based on scale of mixing. (b) Discuss planetary motion mixer for mixing. (c) Classify liquid mixers and explain propeller mixer in detail. | 06 --- Content provided by FirstRanker.com --- 0505 |
| Q.4 | (a) Describe Mier’s theory for supersaturation with limitations. (b) What is polymorphism and give its significance and explain the importance of crystallization in pharmaceutical industries. (c) Describe Swenson-Walker crystallizer with diagram. | 06 05 --- Content provided by FirstRanker.com --- 05 |
| Q.5 | (a) Enumerate solvent employed for extraction. Describe the properties of water and ethanol as solvents-for extraction. (b) Write a note on supercritical fluid extraction. (c) Applications of extraction and leaching in pharmacy. | 06 05 05 |
| Q.6 | (a) Explain in detail flow level measurement in automated process control system. --- Content provided by FirstRanker.com --- (b) Write a note on automated process control system for temperature control.(c) Describe percolation method for extraction. | 06 05 05 |
| Q.7 | (a) Write in brief about waste water treatment in pharmaceutical industry. (b) Explain various industrial hazards and the measures to combat them. --- Content provided by FirstRanker.com --- (c) Discuss caking in crystals and How to prevent it. | 06 05 05 |
Total Marks: 80
Date: 01/05/2018
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This download link is referred from the post: GTU B.Pharma 2018 Summer Question Papers || Gujarat Technological University
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