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Mechanical Operations

Mechanical Operations
For the preliminary breaking of hard rock, we use a

Gyratory crusher
Squirrel-cage disintegrator
Tube mill
Ball mill

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Mechanical Operations
Sphericity of pulverised coal is

∞
>1
1

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Mechanical Operations
Out of the following size reduction equipments, the maximum feed size can be accepted by the

Ball mill
Jaw crusher
Jet pulveriser
Tube mill

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Mechanical Operations
Which of the following is a batch sedimentation equipment?

Filter thickener
Dust catcher
Dry cyclone separator
Rotary sprayer scrubber

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Mechanical Operations
Metallic wire mesh is used as a filtering medium for the separation of dust from dust laden gas in case of a/an

Hydrocyclones
Air filter
Bag filter
Venturi scrubber

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Mechanical Operations
Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation.

Clarification
Classification
Sedimentation
Flocculation

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