JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Pharmacy II Year PHARMACEUTICAL ENGINEERING Previous Question Paper (December-2019 - R17)
Note: This question paper contains two parts A and B. Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b as sub questions.
PART – A
Why Bernoulli's theorem is used for liquids.
Answer
Bernoulli's theorem is used for liquids to calculate the pressure, velocity, and elevation energy changes in a flowing fluid. It is essential in pharmaceutical engineering for determining flow rates, sizing pipes, and designing fluid transport systems like pumps and venturi meters.
Interpret merits and demerits of double cone blender.
Answer
Merits: It provides efficient mixing for free-flowing powders, is easy to clean, and prevents attrition due to low-shear action. Demerits: It is ineffective for cohesive or sticky powders and requires significant headroom for the rotating vessel.
Outline the objectives of crystallization.
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Tell about caking of crystals.
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What is rate of drying curve?
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Summarize the applications of distillation.
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Explain briefly on membrane filters and seitz filter.
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Outline applications of centrifugation.
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Show the plant layout to start production industry.
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Explain theories of corrosion.
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PART – B
Construct and explain principle of Hammer mill and ball mill.
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Analyze the working principle of sieve shaker along with its merits and demerits.
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Explain the importance of crystallization and evaporation.
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Discuss about the working of climbing film evaporator.
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Select the Krystal crystallizer working and uses, merits, demerits.
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List out the applications of drying.
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Compare the tray dryer and fluidized bed dryer.
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Assess the working and principle of steam distillation and molecular distillation.
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Adapt and explain the mechanism good drying process.
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Distinguish between centrifugation and filtration.
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Estimate the efficiency of HEPA filters.
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Explain the relationship between semi continuous centrifuge and super centrifuge.
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Compile merit and demerits of plate and frame filter.
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Distinguish mechanical and chemical hazards.
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Propose the objectives and applications of material handling systems.
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