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

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

Seat No.: _____ Enrolment No. _____________
GUJARAT TECHNOLOGICAL UNIVERSITY
B.PHARM - SEMESTER? 1 EXAMINATION ? WINTER -2019
Subject Code: 2210001 Date: 27-12-2019
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 mechanism involved in size reduction process.
06

(b) Explain factors affecting selection of methods of size reduction process
05

(c) Write a note on Ball mill.
05



Q.2 (a) Draw neat labelled diagram of fluid energy mill and also write its advantages, 06
disadvantages applications.

(b) Write a note on cyclone separator.
05

(c) Write a note on sedimentation tank used in size separation.
05



Q.3 (a) Give standards of sieves as per pharmacopeia.
06

(b) Explain types of mixtures.
05

(c) Write a note on planetary mixer.
05



Q.4 (a) Explain theory of mixing process.
06

(b) Write a note on propeller mixer.
05

(c) Explain Mier's supersaturation curve theory in detail.
05



Q.5 (a) Explain various steps involved in crystallization process
06

(b) Discuss the factors affecting caking of crystal.
05

(c) Write applications of crystallization process.
05



Q. 6 (a) Explain theory of extraction process.
06

(b) Write a note on various solvents used in extraction process.
05

(c) Discuss Soxhlet extractor for continuous hot extraction.
05



Q.7 (a) Enlist the types of extraction process and explain any two in brief.
06

(b) Discuss prevention of fire hazards.
05

(c) Define (1) Hazard (2) Accident (3) Process (4) Control (5) Instrumentation
05
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