H₂S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H₂S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is

Mass Transfer
H₂S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H₂S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is

1.56

0.56

1

2

1.56

0.56

1

2

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Mass Transfer
McCabe-Thiele method of binary distillation does not assume that the

None of these

Heat of mixing is negligible

Sensible heat changes are negligible compared with latent heat changes

Molar latent heats of all components are equal

None of these

Heat of mixing is negligible

Sensible heat changes are negligible compared with latent heat changes

Molar latent heats of all components are equal

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Mass Transfer
Mechanism of moisture removal in case of freeze drying of food stuff is by

Sublimation

Evaporation

Adsorption

Dehydration

Sublimation

Evaporation

Adsorption

Dehydration

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Mass Transfer
Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes?

Plate towers

Packed towers

Wetted wall columns

Spray towers

Plate towers

Packed towers

Wetted wall columns

Spray towers

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Mass Transfer
In steam distillation, the

Product must be immiscible with water

Temperature is more than 100° C

Temperature is higher than the boiling point of either component

Temperature is 100°C

Product must be immiscible with water

Temperature is more than 100° C

Temperature is higher than the boiling point of either component

Temperature is 100°C

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Mass Transfer
Drying operation under vacuum is carried out to

Dry those materials which have very high unbound mositure content

Reduce drying temperature

Increase drying temperature

Dry materials having high bound moisture content

Dry those materials which have very high unbound mositure content

Reduce drying temperature

Increase drying temperature

Dry materials having high bound moisture content

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Mass Transfer

Mass Transfer McCabe-Thiele method of binary distillation does not assume that the

Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by

Mass Transfer Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes?

Mass Transfer In steam distillation, the

Mass Transfer Drying operation under vacuum is carried out to

Mass Transfer
McCabe-Thiele method of binary distillation does not assume that the

Mass Transfer
Mechanism of moisture removal in case of freeze drying of food stuff is by

Mass Transfer
Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes?

Mass Transfer
In steam distillation, the

Mass Transfer
Drying operation under vacuum is carried out to