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Mechanical Operations

Mechanical Operations
For the transportation of ultrafine particles, the equipment used is a........conveyor.

Screw
None of these
Belt
Pneumatic

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Mechanical Operations
The filter medium resistance is controlled by

Both pressure drop and flow rate
Pressure drop alone
Cake thickness
Flow rate alone

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Mechanical Operations
The porosity of a compressible cake is

Same throughout the thickness of cake
Maximum at the filter medium
Minimum at the upstream face
Minimum at the filter medium

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Mechanical Operations
200 mesh screen means 200 openings per

Cm
Inch²
Inch
Cm²

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Mechanical Operations
For laminar flow of filtrate through the cake deposited on septum, which of the following will be valid?

Kozney-Karman equation
Leva
None of these
Blake-Plummer equation

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Mechanical Operations
Filter aid is used to

Act as a support base for the septum
Increase the porosity of the cake
Decrease the pressure drop
Increase the rate of filtration

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