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Chemical Engineering - Mechanical Operations

Exercise : Mechanical Operations - Section 8
16.
Velocity of a small particle of diameter 'Dp' at a distance 'r' from the rotational axis of a cyclone rotating at an angular speed 'ω' is given by (the other symbols are as per standard notation)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
In froth floatation, chemical agent added to cause air adherence is called
collector
frother
modifier
activator
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The sphericity of a solid particle of cubical shape is
π
(π/6)1/3
(π/6)1/2
π/3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Vertical transportation of materials can be done by a/an
apron conveyor
pneumatic conveyor
bucket elevator
both(b)&(c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
In a roll crusher, the specific power consumption and the production rate is affected by the
reduction ratio.
differential roll speed.
both (a) and (b).
neither (a) nor (b).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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