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Mechanical Operations

Mechanical Operations
All resistances during washing of cake

Remain constant
None of these
Decreases
Increases

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Mechanical Operations
Which of the following is a fine crusher?

Blake jaw crusher
Toothed roll crusher
Dodge jaw crusher
Gyratory crusher

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Mechanical Operations
Trommels are revolving screens which normally operate in the range of __________ rpm.

60 - 75
40 - 50
43832
15 - 20

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Mechanical Operations
The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an

Bag filter
Wet scrubber
Cyclone separator
Electrostatic precipitator

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Mechanical Operations
For coarse reduction of hard solids, use

Cutting
Compression
Impact
Attrition

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Mechanical Operations
Gizzlies are used for separating __________ solids.

None of these
Fine
Any size
Coarse

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