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Chemical Engineering - Mechanical Operations

Exercise : Mechanical Operations - Section 7
41.
Cartridge filters are termed as 'edge' filters, because of the fact that the
disks have very sharp edge.
solids are not deposited at the edge of the disk.
bulk of the solids are removed at the periphery of the disks.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Vibrating screens have capacity in the range of __________ tons/ft2 .mm mesh size.
0.2 to 0.8
5 to 25
50 to 100
100 to 250
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Cumulative analysis for determining surface is more precise than differential analysis, because of the
assumption that all particles in a single fraction are equal in size.
fact that screening is more effective.
assumption that all particles in a single fraction are equal in size, is not needed.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
To remove very small amount of tiny solid impurities from liquid, we use a
pressure filter
vacuum filter
centrifugal filter
coagulant
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Screw conveyors are
run at very high rpm.
suitable for sticky materials.
suitable for highly abrasive materials.
all (a), (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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