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Mechanical Operations

Mechanical Operations
Which of the following comes in the category of primary crusher for hard and tough stone?

Cone crusher
Gyratory crusher
None of these
Jaw crusher

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Mechanical Operations
__________ conveyors are also called scrapers.

Apron
Screw
Helical flight
Both B & C

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Mechanical Operations
The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the __________ filter.

Vacuum
Plate & frame
Rotary
Sand

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

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

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

1/S
√S
S
S²

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Mechanical Operations
Separation of isotopes is generally done using a/an __________ centrifuge.

Neither A nor B
Both A & B
Disk-bowl
Ultra

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