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Mass Transfer

Mass Transfer
NSc/NPr is called the

Psychrometric ratio
Stantan number
Sherwood number
Lewis number

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Mass Transfer
At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant

Decreases
Increases
Increases exponentially
Remains unchanged

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Mass Transfer
H₂S present in naphtha reformed gas is removed by absorbing with

HCl
K₂CO₃
Ethanolamine
Vacuum gas oil

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Mass Transfer
Ion exchange process is similar to

Leaching
Absorption
Extraction
Adsorption

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Mass Transfer
With increase in temperature, the leaching rate increases because of the

None of the listed here
Decreased viscosity of liquid
Increased diffusivity
Both Decreased viscosity of liquid & Increased diffusivity

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Mass Transfer
Use of packed towers for distillation is generally limited to the

Multicomponent distillation
Small sizes
Vacuum distillation
High pressure operation

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