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Chemical Engineering - Mechanical Operations

Exercise : Mechanical Operations - Section 9
16.
The inlet pressure in a constant rate filtration
increases continuously
decreases gradually
remains constant
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill.
cage
hammer
both (a) & (b)
id) neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Particle size range in which dust catcher (gravity settling chamber) works most effectively and efficiently is __________ microns.
< 5
10 to 25
< 74
> 1000
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
__________ centrifuge is the most suitable for separation of non-friable crystals.
Tubular bowl
Disc-bowl
Perforated horizontal basket continuous
Suspended batch basket
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
For benefication of iron ore, the most commonly used method is
flocculation.
froth floatation.
jigging & tabling.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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