JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Pharmacy II Year PHARMACEUTICAL ENGINEERING Previous Question Paper (September/October - 2023 - R17)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
What is Venturimeter?
Answer
A Venturimeter is a device used for measuring the rate of flow of a fluid flowing through a pipe. It operates on Bernoulli's principle, consisting of a converging section, a throat, and a diverging section to create a pressure difference proportional to the flow velocity.
Write the difference between Edge runner mill and end runner mill.
Answer
In an Edge runner mill, the heavy rollers rotate on their own axes while moving in a circular path over a stationary bed, crushing material by weight and shear. In an End runner mill, the mortar (bed) rotates while the pestle (roller) rotates on its own axis due to friction, providing a grinding action suitable for smaller quantities.
Define conduction, convection and radiation.
Answer
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Classify Evaporators.
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What Freeze dryer? Give its uses.
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Write the difference between drying and evaporation.
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What is super centrifuge?
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What are HEPA filters for controlled pollution?
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What are explosive hazards?
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Write the different types of conveyors.
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Part B
Explain in detail about the principle, construction and working of double cone blender with a neat labelled diagram.
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Define size reduction and explain its mechanism. Write in detail the fluid energy mill.
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Explain the objectives, applications and heat transfer mechanisms.
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Write short note on Heat interchanger and heat exchanger.
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Write note on Fourier’s Law.
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Classify the distillation methods. Explain in detail about the simple distillation.
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Explain in detail about the principles, construction, working, uses, merits and demerits of Tray dryer and spray dryer.
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Explain in detail about the objectives, applications theories involved in filtration.
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Explain in the principle, construction, working, uses, merits and demerits of Non-perforated basket centrifuge.
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Discuss about the factors affecting during materials selected for Pharmaceutical plant construction.
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Write detail about the theories of corrosion, types of corrosion and their prevention.
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