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Mechanical Operations

Mechanical Operations
Gizzlies are used for separating __________ solids.

Fine
Any size
Coarse
None of these

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Mechanical Operations
Tabular bowl centrifuges as compared to disk bowl centrifuges

Can't be used for separation of fine suspended solids from a liquid
Can not be operated under pressure/vacuum
Employ bowl of larger diameter
Operate at higher speed

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

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

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Mechanical Operations
Tank filter (e.g., Nutsch filter) is

Used for small scale filtration work
A high pressure filter
A leaf filter
A continuous filter

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Mechanical Operations
Which of the following is a continuous filter?

None of these
Shell and leaf filter
Plate and frame filter
Cartridge filter

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Mechanical Operations
In case of a hammer crusher, the

Maximum feed size may be 50 mm
Minimum product size is 3 mm
Feed may be highly abrasive (Moh's scale >5)
Rotor shaft carrying hammers can be vertical or horizontal

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