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Mechanical Operations

Mechanical Operations
__________ conveyor is the most suitable for long distance transportation of cold, non-abrasive granular/irregular shape/fine materials.

Belt
Screw
Apron
Bucket

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Mechanical Operations
Rittinger number which designates the new surface prduced per unit of mechanical energy absorbed by the material being crushed, depends on the

Ultimate strength of the material
All of these
State or manner of application of the crushing force
Elastic constant of the material

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Mechanical Operations
For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume.

75
25
10
50

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Mechanical Operations
Which of the following is not a revolving/tumbling mill used for size reduction?

Rod mill
Cage mill
Compartment mill
Pebble mill

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Mechanical Operations
The material is crushed in a gyratory crusher by the action of

Cutting
Compression
Attrition
Impact

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Mechanical Operations
Supporting legs of a plate and frame filter is normally made of

Cast iron
Wooden plank
Stainless steel
High speed steel

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