An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is

Mass Transfer
An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is

0.079

0.048

0.152

0.122

0.079

0.048

0.152

0.122

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

c

Litre

Gm

Kg

c

Litre

Gm

Kg

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Mass Transfer
An example of elutioh is

Dissolution of tannin out of tree barks by water

Separation of sugar from sugar beet by hot water

Recovery of vegetable oils from seeds

Separation of uranium oxide from its ore by H₂SO₄ in a Pachuca tank

Dissolution of tannin out of tree barks by water

Separation of sugar from sugar beet by hot water

Recovery of vegetable oils from seeds

Separation of uranium oxide from its ore by H₂SO₄ in a Pachuca tank

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Mass Transfer
A coalescer in a mixer-settler liquid-liquid extraction coloumn

Comprises of thin bed of substances of extended surface having high porosity

All of these

Helps in increasing the settling rate of the bubbles

Helps in increasing the bubble size entering the settler

Comprises of thin bed of substances of extended surface having high porosity

All of these

Helps in increasing the settling rate of the bubbles

Helps in increasing the bubble size entering the settler

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Mass Transfer
The relative volatility of a binary mixture at constant temperature __________ the total pressure.

Increases with increase in

None of these

Decreases with increase in

Is independent of

Increases with increase in

None of these

Decreases with increase in

Is independent of

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Mass Transfer
Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for

Total reflux

Constant molal overflow

Constant relative volatility

All of these

Total reflux

Constant molal overflow

Constant relative volatility

All of these

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Mass Transfer

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

Mass Transfer An example of elutioh is

Mass Transfer A coalescer in a mixer-settler liquid-liquid extraction coloumn

Mass Transfer The relative volatility of a binary mixture at constant temperature __________ the total pressure.

Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for

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

Mass Transfer
An example of elutioh is

Mass Transfer
A coalescer in a mixer-settler liquid-liquid extraction coloumn

Mass Transfer
The relative volatility of a binary mixture at constant temperature __________ the total pressure.

Mass Transfer
Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for