Osmania University (OU) 2006-1st Year B.Pharm 2nd st sem Engineering Main, - exam paper

2nd year first sem Engineering Main, Jan 2006

1. (a) Write a note on factors affecting selection of materials for pharmaceutical plant construction.

(b) Classify various kinds of corrosion and discuss briefly about methods of preventing it

OR

(c) Write a note on Dimensional analysis and Dimensionless formula.

(d) Write a note on the subsequent as materials of plant construction:
(i) Alloys of steel (ii) Glass


2. (a) Derive the formula relating the total mechanical energy of a flowing fluid and mention its applications.

(b) discuss about the following:
(i) Nucleate boiling
(ii) Parallel current and counter current flow

OR

(c) Derive the expression for the flow of heat through a thick-walled cylinder.

(d) discuss about the various kinds of losses of a fluid that may encounter while flowing through pipes.


3. (a) Classify the equipment used for transportation of solids. discuss about the pneumatic conveyer with a neat diagram.

(b) With a neat sketch, discuss the construction, working, principle and theory behind the working of reciprocating pump.

OR

(c) Write a note various kinds of compressors.

(d) discuss the principle behind the working of (i) Peristaltic pumps (ii) Air lift pumps


4. (a) discuss the concept of wet bulb temperature with equations.

(b) provide any two methods every for increasing and decreasing humidity.

(c) describe (i) Humid quantity (ii) Dew point

OR

(d) Mention various kinds of refrigeration cycles. discuss about the compression kind.

(e) Write a note on the following:
(i) Brine systems
(ii) Coefficients of performance of refrigerants.


5. (a) discuss the construction and working of a filter used for separation of mycelium from penicillin broth.

(b) Write a brief note on continuous centrifuge.

OR

(c) discuss the construction, working, principle and limitations of centrifuge used for separation of 2 immiscible phases of an emulsion.

(d) discuss the factors that affect the rate of filtration. Write about Kozney formula and its limitations.

Earning:   Approval pending.