In case of non-ideal gases and liquids, the molal diffusivity

Mass Transfer
In case of non-ideal gases and liquids, the molal diffusivity

Varies directly as the pressure

Varies inversely as the pressure

Is equal to the volumetric diffusivity

Is independent of pressure

Varies directly as the pressure

Varies inversely as the pressure

Is equal to the volumetric diffusivity

Is independent of pressure

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Mass Transfer
When acetone is added in a two layer mixture of methyl isobutyl ketone and water at 30°C, the acetone distributes between the two layers and the composition of the layer follows two solubility curves. For this system,

Both the phases become identical at a particular common point on both the solubility curves called the plait point

All of these

The distribution curve which is a plot between x (acetone concentration in one phase) and y (acetone concentration in other phase) is analogous to x-y curve used in distillation and absorption termina

As the acetone concentration increases, the solubility curves approach each other

Both the phases become identical at a particular common point on both the solubility curves called the plait point

All of these

The distribution curve which is a plot between x (acetone concentration in one phase) and y (acetone concentration in other phase) is analogous to x-y curve used in distillation and absorption termina

As the acetone concentration increases, the solubility curves approach each other

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Mass Transfer
In the constant rate period of the rate of drying curve for batch drying,

None of these

Rate of drying decreases abruptly

Cracks develop on the surface of the solid

Surface evaporation of unbound moisture occurs

None of these

Rate of drying decreases abruptly

Cracks develop on the surface of the solid

Surface evaporation of unbound moisture occurs

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Mass Transfer
Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried in a/an __________ dryer.

Indirect tray

Freeze

Spray

None of these

Indirect tray

Freeze

Spray

None of these

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Mass Transfer
Dry bulb temperature of unsaturated air is more than its __________ temperature.

Both A & B

Dew point

Neither A nor B

Wet bulb

Both A & B

Dew point

Neither A nor B

Wet bulb

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Mass Transfer
The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid )

T³

√T

T²

T

T³

√T

T²

T

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Mass Transfer

Mass Transfer In case of non-ideal gases and liquids, the molal diffusivity

Mass Transfer When acetone is added in a two layer mixture of methyl isobutyl ketone and water at 30°C, the acetone distributes between the two layers and the composition of the layer follows two solubility curves. For this system,

Mass Transfer In the constant rate period of the rate of drying curve for batch drying,

Mass Transfer Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried in a/an __________ dryer.

Mass Transfer Dry bulb temperature of unsaturated air is more than its __________ temperature.

Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid )

Mass Transfer
In case of non-ideal gases and liquids, the molal diffusivity

Mass Transfer
When acetone is added in a two layer mixture of methyl isobutyl ketone and water at 30°C, the acetone distributes between the two layers and the composition of the layer follows two solubility curves. For this system,

Mass Transfer
In the constant rate period of the rate of drying curve for batch drying,

Mass Transfer
Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried in a/an __________ dryer.

Mass Transfer
Dry bulb temperature of unsaturated air is more than its __________ temperature.

Mass Transfer
The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid )