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Chemical Engineering - Mechanical Operations

Exercise : Mechanical Operations - Section 1
41.
The value of 'angle of nip' is generally about
16°
32°
52°
64°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills.
metalliferrous ores
non-metallic ores
basic slags
asbestos & mica
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Sulphuric acid mist is arrested by using a __________ scrubber.
packed wet
hollow wet
venturi
co-current
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
The main size reduction operation in ultrafine grinders is
cutting
attrition
compression
impact
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
In case of a hammer crusher,
crushing takes place by impact breaking.
maximum acceptable feed size is 30 cms.
reduction ratio can be varied by adjusting the distance from cage to hammers.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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