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Mechanical Operations

Mechanical Operations
Which is the most suitable conveyor for transportation of sticky material?

Pneumatic conveyor
Belt conveyor
Screw conveyor
Apron conveyor

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Mechanical Operations
Dry powdery solid materials are transported by a __________ conveyor.

Bucket
None of these
Belt
Screw

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Mechanical Operations
Size reduction does not occur due to compression in case of

Rod mills
Jaw crushers
Gyratory crushers
Smooth roll crushers

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Mechanical Operations
The specific surface of sherical particles is proportional to (where, Dp = diameter of particle).

Dp
D²p
1/D²p
1/Dp

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Mechanical Operations
In classification, particles are said to be equal settling, if they have the same terminal velocities in the

Both B and C
Same fluid
Same field of force
Different fluids

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Mechanical Operations
Separation of materials into products based on the difference of their sizes is called

Flocculation
Sorting
Classification
Sizing

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