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Mass Transfer

Mass Transfer
Tea percolation employs

Absorption
None of these
Leaching
Liquid-liquid extraction

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Mass Transfer
Dorr thickener is an equipment used for

Clarification
Leaching
Sedimentation
Classification

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Mass Transfer
The binary diffusivity in gases does not depend upon the

Temperature
Nature of the components
Pressure
None of the listed here

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Mass Transfer
Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as

K ∝ D2
K ∝ D1.5
K ∝ √D
K ∝ D

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Mass Transfer
The film penetration model of mass transfer was enunciated by

Fick
Gilliland
Toor and Marchello
Stefan

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Mass Transfer
Which of the following employs an accessory known as 'drift eliminator' ?

Rotating disc contactor
Multiple effect evaporator
Rotary dryer
Mechanical draft cooling tower

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