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Mechanical Operations

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

√S
S²
S
1/S

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Mechanical Operations
Moore filter is a __________ filter.

Press
Sand
Rotary
Leaf

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Mechanical Operations
For classification of potable (drinking) water, we use a __________ filter.

Rotary vacuum
Gravity sand
Plate and frame
Vacuum leaf

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Mechanical Operations
Gizzlies are used for separating __________ solids.

None of these
Coarse
Any size
Fine

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Mechanical Operations
Horsepower required for a roll crusher is directly proportional to its

Reduction ratio
Both A & B
Neither A nor B
Capacity

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Mechanical Operations
Which of the following is used for primary crushing of very hard lumpy materials?

Toothed roll crusher
Ball mill
Gyratory crusher
Tube mill

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