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Chemical Engineering - Mechanical Operations

Exercise : Mechanical Operations - Section 5
41.
Screen capacity is expressed in terms of
tons/hr
tons/ft2
both (a) & (b)
tons/hr-ft2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
A screen is said to be blinded, when the
oversizes are present in undersize fraction.
undersizes are retained in oversize fraction.
screen is plugged with solid particles.
screen capacity is abruptly increased.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls ?
0.5
1.0
2.76
0.66
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Percentage of drum submerged in the slurry in case of rotary drum filter is
3
30
85
25
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Filter medium resistance is that offered by the
filter cloth.
embedded particles in the septum.
filter cloth and the embedded particle collectively.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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