Mass Transfer
Drift in a cooling tower is

Desirable
Dependent on the water lost by evaporation
The water entrained by the circulating air
All of these

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because

Total pressure is less
Temperature is less
Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium condition
Saturated steam is used for steam distillation

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
An example of elutioh is

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

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is

2000
2500
1500
1000

ANSWER DOWNLOAD EXAMIANS APP