For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower)

Mass Transfer
For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower)

(G.a)/FG

F/(FG.a)

FG/(G.a)

L/(FG.G)

(G.a)/FG

F/(FG.a)

FG/(G.a)

L/(FG.G)

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Make up water is required in a cooling tower to replace the water lost by

All of these

Drift

Evaporation

Blowdown and leakage

All of these

Drift

Evaporation

Blowdown and leakage

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
The most efficient cooling tower out of the following is

Atmospheric

Forced draft

Induced draft

Natural draft

Atmospheric

Forced draft

Induced draft

Natural draft

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
In a counter-current liquid extractor

Both liquids can have any desired flow rate

Only one of the liquids may be pumped at any desired rate

Liquid's flow rate depends upon the temperature and pressure

Both liquids flow at fixed rate

Both liquids can have any desired flow rate

Only one of the liquids may be pumped at any desired rate

Liquid's flow rate depends upon the temperature and pressure

Both liquids flow at fixed rate

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Which of the following is the most suitable for extraction in a system having very low density difference?

Packed extraction tower

Mixer-settler extractor

Centrifugal extractor

Pulsed extractor

Packed extraction tower

Mixer-settler extractor

Centrifugal extractor

Pulsed extractor

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
As the reflux ratio increases, the slope of the operating line for rectifying section

Increases

Remains constant

Decreases

Data insufficient, cannot be predicted

Increases

Remains constant

Decreases

Data insufficient, cannot be predicted

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer

Mass Transfer For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower)

Mass Transfer Make up water is required in a cooling tower to replace the water lost by

Mass Transfer The most efficient cooling tower out of the following is

Mass Transfer In a counter-current liquid extractor

Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference?

Mass Transfer As the reflux ratio increases, the slope of the operating line for rectifying section

Mass Transfer
For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower)

Mass Transfer
Make up water is required in a cooling tower to replace the water lost by

Mass Transfer
The most efficient cooling tower out of the following is

Mass Transfer
In a counter-current liquid extractor

Mass Transfer
Which of the following is the most suitable for extraction in a system having very low density difference?

Mass Transfer
As the reflux ratio increases, the slope of the operating line for rectifying section