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Download RTMNU B.Pharma 3rd Semester 2017 Summer Pharmaceutics 3 (Unit Operations) Question Paper

Download RTMNU (Rashtrasant Tukadoji Maharaj Nagpur University) B.Pharma (Bachelor of Pharmacy) 3rd Semester 2017 Summer Pharmaceutics 3 (Unit Operations) Question Paper

This post was last modified on 19 January 2020

This download link is referred from the post: RTMNU B-Pharm Last 10 Years 2010-2020 Previous Question Papers || Rashtrasant Tukadoji Maharaj Nagpur University


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B.Pharm. Semester—III (C.B.S.) Examination

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PHARMACEUTICS–III (Unit Operations)

Paper-1

Time: Three Hours]

[Maximum Marks : 80

Note :-(1) Question No. 1 is compulsory.

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(2) Solve any four questions from the remaining.

(3) Draw neat labelled diagrams wherever necessary.

(4) Discuss the reaction, mechanism wherever necessary.

(5) Use of electronic calculator is permitted.

(6) Assume suitable data wherever necessary,

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1. Solve any five of the following :-

(a) Define (i) Sieve number

(ii) Sieve size.

(b) Explain effect of speed of rotation on ball mill efficiency.

(c) What are filter aids ? Comment on their influence on rate of filtration.

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(d) What is vortex formation ? Give the methods of prevention of vortex formation.

(e) Explain Centrifugal effect. Give significance of centrifugation process.

(f) What do you understand by Reynold's number ? What is its importance ?

(g) Compare surface filtration and depth filtration.

2. Explain :

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(a) Principle of cyclone separator with well labelled diagram.

(b) Official grades of powder as per IP.

(c) Sieve analysis.

4×5=20

15

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3. Discuss factors affecting size reduction. Give principle, construction, working and applications of fluid energy mill.

15

4. (a) Enlist flow meters. Compare Orifice meter and Venturimeter.

8

(b) Write a note on energy losses.

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7

5. (a) Write in detail about belt conveyors and pneumatic conveyor.

8

(b) Discuss various theories of filtration. Write detailed account on Rotary Drum filter.

7

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6. (a) Explain the mechanisms of solid mixing. Describe principle, construction, working and uses of planetary mixer.

7

8

(b) Classify centrifugation equipments. Elaborate on supercentrifuge in detail.

7. Write short notes (any three) :

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(a) Molecular diffusion in liquids.

(b) Silverson mixer homogenizer.

(c) Bernoulli's theorem.

(d) Ball mill.

5×3=15

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This download link is referred from the post: RTMNU B-Pharm Last 10 Years 2010-2020 Previous Question Papers || Rashtrasant Tukadoji Maharaj Nagpur University

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