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Mechanical Operations

Mechanical Operations
The sphericity of a solid particle of cubical shape is

(π/6)1/2
(π/6)1/3
π
π/3

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Mechanical Operations
Which of the following is not a cutting machine?

Knife cutters
Slitters
Dicers
Tube mills

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Mechanical Operations
Helical screw agitator is used for

Blending immiscible liquids
Mixing highly viscous pastes
None of these
Mixing liquids at very high temperature (> 250 °C)

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

Toggles
Hanger
Pitman
Check plates

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Mechanical Operations
Screen capacity is proportional to (where, S = screen aperture)

1/S
√S
S
S²

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Mechanical Operations
Ball mill is used for

Fine grinding
Attrition
Crushing
Coarse grinding

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