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Mechanical Operations

Mechanical Operations
Which of the following comes in the category of primary crusher for hard and tough stone?

None of these
Gyratory crusher
Jaw crusher
Cone crusher

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Mechanical Operations
Which of the following conveyors cannot be recommended for transportation of abrasive materials?

Apron conveyor
Flight conveyor
Belt conveyor
Chain conveyor

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Mechanical Operations
Basic slag is not ground in

Tube mills
Ball mills
Jaw crushers
Compartment mills

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Mechanical Operations
Which is a secondary crusher for a hard & tough stone?

Cone crusher
Jaw crusher
Impact crusher
Toothed roll crusher

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Mechanical Operations
Range of compressibility co-efficient of the commercial compressible cake obtained in filtration operation is

0.1 to 0.3
0.2 to 0.4
0.2 to 0.8
0.01 to 0.1

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Mechanical Operations
Angle of nip of the crushing rolls does not depend upon the

Speed of the rolls
Feed size
Diameter of the rolls
Product size

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