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Mechanical Operations

Mechanical Operations
The reduction ratio for fine grinders is

As high as 100
43961
44124
20-40

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Mechanical Operations
In a roll crusher, both the rolls

Are rotated towards each other
Run either at the same or different speeds
All of these
Have the same diameter

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Mechanical Operations
Size reduction of ice and gypsum can be accomplished suitably by a __________ crusher.

Toothed roll
None of these
Blake jaw
Gyratory

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Mechanical Operations
Which of the following is a coarse crusher?

Toothed roll crusher
Gyratory crusher
Smooth roll crusher
Tube mill

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Mechanical Operations
Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface.

Either A or B
Curved
Plane
Ribbed

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Mechanical Operations
The unit of filter medium resistance is

Gm⁻¹
Cm/gm⁻¹
Cm⁻¹
Gm/cm⁻¹

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