Dimension of mass diffusivity is the same as that of

Mass Transfer
Dimension of mass diffusivity is the same as that of

Kinematic viscosity

Pressure

Dynamic viscosity

Surface tension

Kinematic viscosity

Pressure

Dynamic viscosity

Surface tension

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Mass Transfer
Selectivity of the solvent used in solvent extraction should be

< 1

1

> 1

< 1

1

> 1

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Mass Transfer
A minimum boiling azeotrope is exemplified by

Toluene-benzene

Water-isobutyl alcohol

None of these

Acetone-carbon disulphide

Toluene-benzene

Water-isobutyl alcohol

None of these

Acetone-carbon disulphide

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Mass Transfer
With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible.

Increases

Decreases

Increases linearly

Remains same

Increases

Decreases

Increases linearly

Remains same

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

Increases exponentially

Increases

Remains unchanged

Decreases

Increases exponentially

Increases

Remains unchanged

Decreases

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Mass Transfer
Pick out the wrong statement pertaining to the rotary dryer.

Recommended peripherial speed of a rotary drier is in the range of 10 to 30 metres/minute

Hold up of a rotary drier is defined as the fraction of the dryer volume occupied by the solid at any instant. The best performance for rotary drier is obtained, when the hold up is in the range of 0.

Rotary dryer is suitable for drying sticky material

Flights (located in the inside shell of rotary dryer) lift the material being dried and shower it down through the current of hot air/gases. It extends from the wall to a distance which is about 8-12%

Recommended peripherial speed of a rotary drier is in the range of 10 to 30 metres/minute

Hold up of a rotary drier is defined as the fraction of the dryer volume occupied by the solid at any instant. The best performance for rotary drier is obtained, when the hold up is in the range of 0.

Rotary dryer is suitable for drying sticky material

Flights (located in the inside shell of rotary dryer) lift the material being dried and shower it down through the current of hot air/gases. It extends from the wall to a distance which is about 8-12%

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Mass Transfer

Mass Transfer Dimension of mass diffusivity is the same as that of

Mass Transfer Selectivity of the solvent used in solvent extraction should be

Mass Transfer A minimum boiling azeotrope is exemplified by

Mass Transfer With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible.

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

Mass Transfer Pick out the wrong statement pertaining to the rotary dryer.

Mass Transfer
Dimension of mass diffusivity is the same as that of

Mass Transfer
Selectivity of the solvent used in solvent extraction should be

Mass Transfer
A minimum boiling azeotrope is exemplified by

Mass Transfer
With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible.

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

Mass Transfer
Pick out the wrong statement pertaining to the rotary dryer.