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Mechanical Operations

Mechanical Operations
A __________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream.

Classifier
Strainer
Clarifier
Thickener

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Mechanical Operations
For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to

The size reduction ratio
The new surface created
None of these
The change in volume due to crushing

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Mechanical Operations
The unit of filter medium resistance is

Cm⁻¹
Cm/gm⁻¹
Gm/cm⁻¹
Gm⁻¹

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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 is a fine crusher?

Dodge jaw crusher
Toothed roll crusher
Gyratory crusher
Blake jaw crusher

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Mechanical Operations
Apron conveyors are used for

Heavy loads & short runs
Small loads & long runs
None of these
Heavy loads & long runs

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