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Mass Transfer

Mass Transfer
Free flowing granular materials can be best dried in a __________ drier.

Rotary
Cylinder
Freeze
Drun

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Mass Transfer
In extractive distillation, solvent is

Of high viscosity to give high tray efficiency
Of high volatility
Present in overhead stream
Added to alter the relative volatility of the mixture

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Mass Transfer
Under conditions of flooding in packed tower, the gas pressure drop

Decreases rapidly
Remains constant
Is maximum
Increases rapidly

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Mass Transfer
With increase in the concentration of the adsorbate, the integral heat of adsorption

Remains unchanged
May increase or decrease ; depends on the type of adsorbate
Increases
Decreases

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Mass Transfer
Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the

Latent heat
Specific heat
Sensible heat
Humid heat

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Mass Transfer
In case of an ideal solution, the total vapor pressure varies __________ with the composition expressed as mole fraction,

Linearly
None of these
Inversely
Exponentially

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