Chemical Engineering - Mechanical Operations

31.
Cake resistance is
important in the beginning of filtration.
decreased with the time of filtration.
independent of pressure drop.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
In paint industries, blending of light paste is done by using a
masticator
charge can mixer
kneader
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

33.
A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is
0.50
0.58
0.68
0.62
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
__________ is used for producing a thick suspension from a thin slurry.
Cartridge filter
Rotary drum vacuum filter
Pressure filter thickener
Plate and frame filter press
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
Wet seiving is employed, when the product contains __________ materials.
abrasive
large quantity of very fine
coarse
non-sticky
Answer: Option
Explanation:
No answer description is available. Let's discuss.