Jawaharlal Nehru Technological University Kakinada 2010-1st Sem B.Pharm II BPharmacyRegular , ember- Pharmaceutical Unit Operation-I - Question Paper

B. Pharm (JNTU-K)
II B. Pharmacy 1st Semester Regular Examination, November- 2010
Pharmaceutical Unit Operation-I

Time: three Hours Max. Marks: 80

Note: 1) ans any 5 ques. from the subsequent.
2) All ques. carry equal marks.

Ques one a) What is Reynolds' number and discuss its use in the classification of fluid flow.
Ques one b) provide the classification of techniques for fluid flow measurement. elaborate the advantage and disadvantages of orifice meter and venturimeter?
Ques one c) Water if flowing through a pipe of 2" I.D. in which a 1" orifice is located. The pressure drop across the orifice is 5" of mercury. compute the flow in lb/hr. (C0 = 0.61, Density of water = 0.0360127lb/in2).

Ques two a) provide the classification of materials of pharmaceutical plant construction. elaborate the various grades of stainless steel that are used and elaborate their advantages and disadvantages?
Ques two b) elaborate the possible causes for industrial hazards in the pharmaceutical industry? discuss the control of fire and dust hazards in relation to pharmaceutical industry.

Ques three a) Write about the classification of pumps used for the transportation of liquids. discuss the working and application of a double acting piston pump.
Ques three b) Write about the working of gate valve, globe valve and diaphragm valve.

Ques four a) discuss the applications of humidity chart with the help of a neat sketch.
Ques four b) describe the subsequent and mention their significance:
i) Relative humidity
ii) Humid heat
iii) Dew point
iv) Humid quantity

Ques 5) a) discuss the working of a plate and frame filter. elaborate its advantages and disadvantages?
Ques five b) Write about filtration theories and their limitations.

Ques 6) Write short notes on:
a) Determination of humidity
Ques six b) Screw conveyer
Ques six c) Caking of crystals

Ques seven a) explain Mier's theory and its limitations.
Ques seven b) define Swenson-Walker crystallizer and vacuum crystallizer.

Ques eight a) define the construction and working of perforated basket centrifuge with its merits and demerits.
Ques eight b) provide the classification of corrosion and enumerate the factors influencing corrosion.

Earning:   Approval pending.