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Chemical Engineering - Mechanical Operations

Exercise : Mechanical Operations - Section 6
31.
Soft & non-abrasive materials can be made into fines by
attrition
compression
cutting
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
In constant pressure filtration,
resistance decreases with time
rate of filtration is constant
rate of filtration increases with time
rate of filtration decreases with time
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
The critical speed of a trommel (N) is related to its dia (D) as
N ∝
N ∝ D
N ∝ D
N ∝
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
Which of the following minerals is not subjected to magnetic separation method?
Rutile
Galena
Chromite
Siderite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Which of the following is not a revolving/tumbling mill used for size reduction?
Compartment mill
Pebble mill
Cage mill
Rod mill
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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