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Chemical Engineering - Mechanical Operations

Exercise : Mechanical Operations - Section 2
46.
The operating speed of a ball mill should be __________ the critical speed.
less than
much more than
at least equal to
slightly more than
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Use of baffles in agitators help in minimising the __________ tendency.
swirling
vortexing
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
__________ are used for the separation of coarse particles from a slurry of fine particles.
Thickeners
Classifiers
Hydrocyclones
Decanters
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Fibrous material is broken by a
rollcrusher
squirrel-cage disintegrator
ball mill
tube mill
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
__________ is the most suitable for compounding rubber and plastic solids.
Banbery mixer
Pan mixer
Pug mill
Charge can mixer
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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