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Mechanical Operations

Mechanical Operations
Which of the following is not a revolving/tumbling mill used for size reduction?

Compartment mill
Pebble mill
Cage mill
Rod mill

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Mechanical Operations
As per Taggart's formula, the capacity (kg/hr) of Jaw & Gyratory crushers (for gapes of 10 to 60 cms) is equal to (where, L = Length of feed opening, cms S = Maximum width of discharge opening, cms )

250 LS
√LS
93 LS
LS

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Mechanical Operations
For spheres, the specific surface shape factor is given by

D/V
A/V
AD/V
√(AD/V)

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

Gyratory
Jaw
Roll
None of these

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Mechanical Operations
Feed size of ≥ 25 cms can be accepted by

Fluid energy mill
Ball mill
Rod mill
Jaw crusher

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Mechanical Operations
Which of the following is the most suitable for handling fibrous and dense slurries?

Propeller agitator
Radial propeller agitator
Turbine agitator
Cone type agitator

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