Download RTMNU B.Pharma 4th Semester 2016 Summer Pharmaceutics 4 (Unit Operations) Question Paper

Download RTMNU (Rashtrasant Tukadoji Maharaj Nagpur University) B.Pharma (Bachelor of Pharmacy) 4th Semester 2016 Summer Pharmaceutics 4 (Unit Operations) Question Paper

TKN/KS/16/6987
B. Pharm. Semester?IV (C.B.S.) Examination
PHARMACEUTICS?IV (Unit Operations)
Paper?I
Time?Three Hours] [Maximum Marks?80
N.B.:? (1) Question N0. 1 is compulsory.
(2) Solve any FOUR questions from the
remaining.
(3) Draw neat labelled diagram wherever
necessary.
(4) Use of electronic calculator is permitted.
1. Solve any FIVE :
(a) De?ne distillation. Write its applications.
(b) De?ne crystallization. Give different crystal forms or
systems.
(0) Explain principle and working of spray dryer with
diagram.
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(d)
(e)
(f)
(g)
(b)
(b)
Explain the principle of freeze drying. What are its
pharmaceutical applications.
What do you mean by air conditioning ? Write its
pharmaceutical applications.
Explain radiation and rate of radiation. What do
you mean by black body and grey body ?
Discuss Raoult's law and Dalton's law along with
deviations. 4X5=20
Explain the factors affecting evaporation in detail.
8
Discuss principle, construction and working of forced
circulation evaporator. 7
Discuss the Mier's supersaturation theory of
crystallization. What are its limitations. 8
Describe the principle, construction and working of
crystal crystallizer. Write its advantages. 7
What do you mean by equilibrium moisture content ?
How it is measured ? Give its applications. 8
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(b) Describe principle, construction and working of
?uidised bed dIyer. Give its advantages. 7
5. (a) Give the mechanisms of heat ?ow. Explain the FourieI?s
law along with its applications. 8
(b) What are heat exchangers and interchangers ? Explain
tubular heater in detail. 7
6. What is fractional distillation ? Write about fractionating
columns. Discuss azeotropic and fractional distillation with
suitable diagrams. 15
7. (a) What is corrosion ? Explain factors in?uencing
corrosion. State any four methods to prevent it. 8
(b) Explain refrigeration process. Give its applications.
Write refrigeration cycle with diagram. 7
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