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 (Fourth Semester) (C.B.S.) Examination
PHARMACEUTICS-IV
(Unit Operations)
Paper-1
Time: Three Hours] [Maximum Marks : 80
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N.B. :— (1) Question No. 1 is compulsory.
(2) Solve any four questions from the remaining.
(3) Draw neat labeled diagram wherever necessary.
1. Solve any five of the following : 5×4=20
(a) Mention various factors influencing corrosion.
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(b) Draw a well labelled diagram of a Spray Dryer. Mention advantages of it.
(c) Enlist various refrigerants. Draw a refrigeration cycle.
(d) Differentiate between Swenson Walker crystallizer and vacuum crystallizer.
(e) Give classification of dryers.
(f) Draw a well labelled diagram of multiple effect evaporator.
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(g) State and explain Raoult's law and Henry's law.
2. (a) Define : 8
(i) Humidity
(ii) Dew point
(iii) Wet bulb temp.
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Give principle, working and construction of a Humidifier.
(b) Explain various stages of crystallization and Mier's super saturation theory. 7
3. (a) Define the terms : 8
(i) Equilibrium moisture content
(ii) Critical Moisture content.
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Give construction, working and well labelled diagram of a Fluidized Bed Dryer.
(b) Give various mechanisms of Heat transfer. Derive the equation for rate of Heat transfer. 7
4. (a) Explain the term Fractional Distillation, giving example. Give various types of fractionating columns. 7
(b) Discuss factors affecting evaporation. Draw a well labelled diagram of Forced circulation evaporator. 8
5. (a) What do you know about Heat exchangers and Heat interchangers ? Draw a well labelled diagram of Shell and Tube evaporator. 8
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(b) Explain behaviour of solids on drying. Give principle of working and applications of Freeze Drying. 7
6. (a) Give mechanism of corrosion. Explain various ways to prevent corrosion. 8
(b) Explain psychrometric charts. Give various methods of determination of Humidity. 7
7. (a) Explain various methods of feeding of multiple effect evaporator. Give an account on economy and capacity of multiple effect evaporators. 7
(b) Define : 8
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(i) Volatility
(ii) Relative volatility.
Give an account of Molecular Distillation.
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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