Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent?

Mass Transfer
Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent?

Cooling and dehumidification

None of these

Heating and dehumidification at almost constant wet bulb temperature

Dehumidification with dry bulb temperature remaining constant

Cooling and dehumidification

None of these

Heating and dehumidification at almost constant wet bulb temperature

Dehumidification with dry bulb temperature remaining constant

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Mass Transfer
The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if

NSc = 1

NSc = NPr = NLe

NPr = NLe

NSc = NLe

NSc = 1

NSc = NPr = NLe

NPr = NLe

NSc = NLe

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Mass Transfer
The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line)

G/mL

ML/G

LG/m

L/mG

G/mL

ML/G

LG/m

L/mG

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Mass Transfer
McCabe-Thiele method

Uses weight fractions to express liquid and vapour composition

Is more accurate than Ponchan-Savarit method

Can use any type of units

Uses molal units for material and energy balance

Uses weight fractions to express liquid and vapour composition

Is more accurate than Ponchan-Savarit method

Can use any type of units

Uses molal units for material and energy balance

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Mass Transfer
Drying operation under vacuum is carried out to

Reduce drying temperature

Dry those materials which have very high unbound mositure content

Increase drying temperature

Dry materials having high bound moisture content

Reduce drying temperature

Dry those materials which have very high unbound mositure content

Increase drying temperature

Dry materials having high bound moisture content

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Mass Transfer
Stage efficiency in a leaching process depends on the

Vapour pressure of the solution

Both A & B

Time of contact between the solid and the solution

Rate of diffusion of the solute through the solid and into the liquid

Vapour pressure of the solution

Both A & B

Time of contact between the solid and the solution

Rate of diffusion of the solute through the solid and into the liquid

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Mass Transfer

Mass Transfer Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent?

Mass Transfer The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if

Mass Transfer The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line)

Mass Transfer McCabe-Thiele method

Mass Transfer Drying operation under vacuum is carried out to

Mass Transfer Stage efficiency in a leaching process depends on the

Mass Transfer
Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent?

Mass Transfer
The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if

Mass Transfer
The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line)

Mass Transfer
McCabe-Thiele method

Mass Transfer
Drying operation under vacuum is carried out to

Mass Transfer
Stage efficiency in a leaching process depends on the