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Chemical Engineering - Mechanical Operations

Exercise : Mechanical Operations - Section 5
26.
Solid particles of different densities are separated by
filters
thickness
cyclones
sorting classifier
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
During agitation of liquids, power consumption during laminar flow is not proportional to the
density of the liquid
viscosity of the liquid
cube of impeller diameters
square of rotational speed.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Trommels are revolving screens which normally operate in the range of __________ rpm.
1 - 2
15 - 20
40 - 50
60 - 75
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be
0.5 Wi
Wi
1.34 Wi
3.34 Wi
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Maximum size reduction in a fluid energy mill is achieved by
compression
interparticle attrition
cutting
impact
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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