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Chemical Engineering - Mechanical Operations

Exercise : Mechanical Operations - Section 8
26.
Mixing of plastic solids is generally facilitated by
dispersion
mastication
kneading
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
The mechanism of size reduction by a hammer mill is by impact and attrition between the
grinding element & the housing.
feed particles.
both (a) and (b).
neither (a) nor (b).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Which of the following is not an industrial screening equipment ?
Sharpies centrifuge
Vibrating screen
Grizzly
Trommel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Which of the following is not a wet classifier ?
Sharpies supercentrifuge
Hydrocyclones
Dorr Oliver rake classifier
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Helical screw agitator is used for
mixing highly viscous pastes.
blending immiscible liquids.
mixing liquids at very high temperature (> 250 °C).
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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