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Mechanical Operations

Mechanical Operations
The unit of specific cake resistance is

Gm/cm²
Cm/gm
Cm/gm²
Gm/gm

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Mechanical Operations
In the cyclone separator used for separation of dust from dust laden gas, the gas

Is admitted tangentially at high velocity
Enters the cyclone from the top
Develops a helical motion inside the chamber
Both B and C

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Mechanical Operations
Pine oil and cresylic acid are used as __________ in the froth floatation process.

Collector
Conditioner
Frother
Depressor

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Mechanical Operations
Cement clinker is reduced to fine size by a

Roll crusher
Tube mill
Hammer mill
Ball mill

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Mechanical Operations
To remove very small amount of tiny solid impurities from liquid, we use a

Pressure filter
Coagulant
Centrifugal filter
Vacuum filter

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Mechanical Operations
With increase in drum speed, in a rotary drum filter, the filtration rate

Is not affected
Increases
Increases linearly
Decreases

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