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Chemical Engineering - Mechanical Operations

Exercise : Mechanical Operations - Section 8
41.
Pine oil and cresylic acid are used as __________ in the froth floatation process.
frother
collector
depressor
conditioner
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Grinding characteristic of a material is given by its
HGI
angle of repose
shatter index
abrasion index.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Which of the following is not a non-metalliferous mineral?
Calcite
Fluorspar
Quartz
Cassiterrite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Filter medium resistance is important during the __________ of filtration.
early stages.
final stages.
entire process.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Float and sink test determines the possibility of cleaning of coal by a process based on the
gravity separation
wettability
particle shape
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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