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Chemical Engineering - Mechanical Operations

Exercise : Mechanical Operations - Section 7
16.
The filter medium resistance is controlled by
pressure drop alone
flow rate alone
both pressure drop and flow rate
cake thickness
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The unit of filter medium resistance is
cm-1
gm/cm-1
cm/gm-1
gm-1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
During size reduction by a jaw crusher, the energy consumed decreases with the
decreasing size of product at constant size of feed.
decreasing machine capacity.
increasing size of feed at constant reduction ratio.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Which of the following can be most effectively used for clarification of lube oil and printing ink?
Sparkler filter
Precoat filter
Disc-bowl centrifuge
Sharpies supercentrifuge
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Ultracentrifuges running at speeds upto 100000 rpm is normally used for the
separation of isotopes based on their density or molecular weights difference.
concentration of rubber latex.
separation of cream from milk.
dewaxing of lubricating oil.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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