Chemical Engineering - Mechanical Operations

41.
A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is
0.1
0.4
0.6
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
__________ conveyor is the most suitable for long distance transportation of cold, non-abrasive granular/irregular shape/fine materials.
Bucket
Belt
Screw
Apron
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.
The specific cake resistance for compressible sludges is a function of the pressure drop
over cake
over medium
overall
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
Moisture can be removed from lubricating oil using
tubular centrifuge
clarifier
sparkler filter
vacuum leaf filter
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.
Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about
1 to 2°
2 to 5°
5 to 10°
10 to 15°
Answer: Option
Explanation:
No answer description is available. Let's discuss.