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Mechanical Operations

Mechanical Operations
Which of the following is not a part of the Blake jaw crusher?

Hanger
Toggles
Pitman
Check plates

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Mechanical Operations
Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about

5 to 10°
2 to 5°
10 to 15°
1 to 2°

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Mechanical Operations
The value of 'angle of nip' is generally about

64°
52°
32°
16°

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Mechanical Operations
Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill )

D
1/D2.5
1/D
D2.5

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Mechanical Operations
Ball mills and tube mills with flint or porcelain balls are used for size reduction of

Asbestos
Limestone
Non-metallic ores
Rubber

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Mechanical Operations
The constants (Kb, Kr and Kk) used in the laws of crushing (i.e., Bond's law, Rittinger's law and Kick's law) depend upon the

Neither A nor B
Type of crushing machine
Feed material
Both A & B

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