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Mass Transfer

Mass Transfer
Molarity is defined as the number of gm moles of solute per __________ of solvent.

c
Gm
Litre
Kg

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

K ∝ D
K ∝ D1.5
K ∝ D2
K ∝ √D

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Mass Transfer
Dried finished product sampled from various parts of a __________ dryer exhibits non-uniformity in the moisture content.

Tray
None of these
Rotary
Freeze

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Mass Transfer
__________ diffusion is used for separating the isotopes of methane.

Concentration
Force
Thermal
Pressure

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Mass Transfer
(NSh/NRe.NSc) is termed in mass transfer operation as the

Thermal diffusivity
Stanton number
Peclet number
Momentum diffusivity

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Mass Transfer
At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent.

Between 0 and 100
50
100

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