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Chemical Engineering - Mechanical Operations

Exercise : Mechanical Operations - Section 9
31.
Size reduction of ice and gypsum can be accomplished suitably by a __________ crusher.
Blake jaw
toothed roll
gyratory
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
A filter press is
a batch filter.
not suitable, if the liquid is the main product.
having prohibitively high maintenance cost.
not suitable for wide range of materials under varying operating conditions of cake thickness and pressure.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Xanthates are used in the froth floatation process as a/an
conditioner
frother
collector
activator
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is
2
2
1.5
3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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