This download link is referred from the post: RTMNU B-Pharm Last 10 Years 2010-2020 Previous Question Papers || Rashtrasant Tukadoji Maharaj Nagpur University
NTK/KW/15 – 6987
Fourth Semester Examination for the Degree of Bachelor of Pharmacy
PHARMACEUTICS – IV (Unit Operations)
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Time: Three Hours ] [Max. Marks: 80
N. B. : (1) Question No. 1 is Compulsory.
(2) Solve any four questions from the remaining.
(3) Draw neat labeled diagram wherever necessary.
(4) Use of electronic calculator is permitted.
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- Solve any five :—
- What is lyophilization ? Explain principle and pharmaceutical applications.
- Define distillation. Explain how distilled water and water for injection are prepared by distillation.
- Explain the term crystal lattice, crystal habit and cryrtal forms.
- Define evaporation. Explain any four factors affecting evaporation.
- Define the terms relative humidity, dew point, dry bulb and wet bulb temperature.
- Explain the principle and working of spray dryer.
- Explain the mechanism of heat flow. What is black body and grey body ? 5x4=20
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- What is functional distillation ? Explain fractionating columns and general method for fractional distillation. 8
- Discuss principle, construction and working of fluidized bed dryer with suitable diagram. 7
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- Classify evaporators. Describe principle, construction and working of forced circulation evaporator. 8
- Explain principle, construction and working of Swenson Walker crystallizer. 7
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- What are heat exchangers and inter-changers. Discuss tubular heater in detail. 8
- Discuss the Fourier's law for conduction of heat through a metal wall. 7
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- Define corrosion. Explain factors affecting corrosion. State any four methods for its prevention. 8
- Give the classification of dryer with suitable examples. Add a note on critical and equilibrium moisture content (CMC and EMC). 7
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- Explain Roult's law and Dalton's law and molecular distillation process. 8
- Describe principle, construction and working of climbing film evaporator. 7
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- Explain the terms-humidification and dehumidification. Give its principle and applications. 8
- Explain principle construction and working of crystal crystallizer. 7
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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