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Mechanical Operations

Mechanical Operations
A fluid energy mill is used for

Cutting
Crushing
Grinding
Ultra grinding

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Mechanical Operations
In washing type plate and frame filter press, the ratio of washing rate to the final filtrate rate is

1/4
1
4
1/2

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Mechanical Operations
Which of the following terminology is not used for size reduction of materials to fine sizes or powders?

Compression
Pulverisation
Dispersion
Comminution

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Mechanical Operations
During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration

At the end of filtration, but decreases with time subsequently
When half the filtrate has been obtained
At the end of filtration
At time zero

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Mechanical Operations
Screen capacity is proportional to (where, S = screen aperture)

S²
√S
S
1/S

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Mechanical Operations
Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill.

Vibratory
None of these
Roll
Impact

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