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Mechanical Operations

Mechanical Operations
The inlet pressure in a constant rate filtration

Remains constant
Increases continuously
Decreases gradually
None of these

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

S
1/S
√S
S²

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Mechanical Operations
Carbon black is pulverised in a

Roll crusher
Ball mill
Gyratory crusher
Hammer crusher

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Mechanical Operations
During filtration operation, the filtrate encounters the resistance of the

Filter medium
All of these
Cake
Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium

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Mechanical Operations
The study on washability of coal is done by using the __________ technique.

Heavy media separation
Tabling
None of these
Elutriation

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Mechanical Operations
Filtration of water in a paper mill is done by a/an __________ filter.

Sparkler
Vacuum leaf
Open sand
Plate and frame

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