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Mechanical Operations

Mechanical Operations
The distribution given by microscopic analysis of powder is

Volume
Area
Number
Length

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Mechanical Operations
__________ mills are termed as impactors.

Rolling-compression
None of these
Hammer
Cage

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Mechanical Operations
Energy requirement (per unit mass of material crushed/ground) is highest for

Ball mill
Fluid energy mill
Jaw crusher
Rod mill

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Mechanical Operations
Ball mill is used for

Coarse grinding
Fine grinding
Crushing
Attrition

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Mechanical Operations
The speed of a rotary drum vacuum filter may be about __________ rpm.

50
500
1
100

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Mechanical Operations
Flow of filtrate through the cake in a plate and frame filter press is best described by the __________ equation.

Hagen-Poiseulle's
Kozney-Karman
Kremser
Fanning's

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