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Mechanical Operations

Mechanical Operations
Which of the following may prove unsuitable for filtering volatile liquids?

Pressure filter
Vacuum filter
Gravity filter
Centrifugal filter

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Mechanical Operations
The energy consumed by a ball mill depends on

All of these
Its speed
Its ball load
The density of the material being ground

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Mechanical Operations
Shell and leaf filter as compared to plate and frame filter

Entails less labor cost
Facilitates filtration under higher pressure
Provides more effective washing
All of these

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Mechanical Operations
Additives used for promoting the floccula-tion of particles is a/an

Electrolyte
Surface active agent
Neither A nor B
Both A & B

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Mechanical Operations
__________ baffles are provided in ball mills.

Only two
No
None of these
Horizontal

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Mechanical Operations
Shape factor for a cylinder whose length equals its diameter is

2.0
1.5
0.5
1.0

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