SAS 3

Question 1

preparation of emulsion: It has number of blades that may be straight or curved, with or without pitch, mounted on a shaft.

Answer 1

turbine mixer

Question 2

preparation of emulsion: comprises an adjustable valve stem (core) and a fixed outer valve wall

Answer 2

Homogenizers

Question 3

semi-solid mixing: the powders are lifted by a centrally located vertical screw and allowed to cascade to the bottom of the tank.

Answer 3

Helical flight mixer

Question 4

semi-solid milling: it is used to mill dry materials, wet filter-press cakes, ointments and slurries

Answer 4

Hammer mill

Question 5

semi-solid milling: Its size reduction is done by combination of compression and shearing action

Answer 5

roller mill

Question 6

semi-solid drying: are moving-bed dryers that may operate under atmospheric pressure or vacuum

Answer 6

Pan dryers