Max. Marks: 70 Marks
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PHARMACEUTICAL ENGINEERING
(RS - 4)
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Q.P. CODE: 2638Your answers should be specific to the questions asked
Draw neat labeled diagrams wherever necessary.
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LONG ESSAYS (Answer any Two)
2 x 10 = 20 Marks
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1.Describe the importance of conveyors in pharmaceutical industry. Write the working principles
and advantages of basket conveyors and pneumatic conveyors.
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2.Explain the theory of drying. Explain principle and application of steam distillation.
3.
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List the equipments used for solid-solid mixing. Describe the construction, working and
applications of V- cone blender and planetary mixer.
SHORT ESSAYS (Answer any Six)
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6 x 5 = 30 Marks
4.
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Explain the different modes of heat flow.5.
Write the principle and construction of falling film evaporator.
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6.
Explain the theory of crystallization.
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7.With a neat labelled diagram, explain the functioning of freeze dryer with its applications.
8.
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Explain the theory of evaporation. Mention the factors affecting rate of evaporation.
9.
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Describe the construction, working and application of meta filter.10.
Explain the principle and working of hammer mill.
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11.
What are azeotropic mixtures? How are they separated?
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SHORT ANSWERS10 x 2 = 20 Marks
12.
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What are the reasons for caking of crystals?
13.
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Define centrifugation. List out the equipments used for centrifugation.14.
What are filter aids? Give examples.
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15.
Differentiate ideal and actual screens.
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16.Applications of stainless steel as a construction material.
17.
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How ion exchange resins are useful in water purification?
18.
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Name a suitable crystallizer to get a) large sized crystals b) large quantity of crystals19.
Write Kozeny-Carman's equation. Explain the terms.
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20.
Suggest the method to measure the relative humidity of the area?
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21.Define steady state and unsteady state with example.
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