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Mechanical Operations

Mechanical Operations
Pick out the material having minimum Rittinger's number.

Quartz
Galena
Calcite
Pyrite

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Mechanical Operations
Diatomaceous earth is a/an

Catalyst
Explosive
Filter aid
Filter medium

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Mechanical Operations
Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm)

L.S
0.01 L.S
0.087 L.S
L.S/0.087

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Mechanical Operations
Filtration should be stopped in a filter press, if the

Liquor stops flowing out to the discharge
Filtration pressure rises suddenly
Both A & B
Cake becomes very dense

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Mechanical Operations
The term 'angle of nip' is concerned with the operation of the __________ crushers.

None of these
Gyratory
Jaw
Roll

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Mechanical Operations
Which of the following crushing laws is most accurately applicable to the fine grinding of materials ?

None of these
Kick's law
Rittinger's law
Bond's crushing law

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