In a binary system, separation is very efficient, when the relative volatility is

Mass Transfer
In a binary system, separation is very efficient, when the relative volatility is

1

0.5

< 1

> 1

1

0.5

< 1

> 1

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Mass Transfer
The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C.

-25

< 25

> 25

25

-25

< 25

> 25

25

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Mass Transfer
Weeping in a distillation column

Results due to very low gas velocity

Provides large interfacial surface for mass transfer

Increases tray efficiency

Results due to very high gas velocity

Results due to very low gas velocity

Provides large interfacial surface for mass transfer

Increases tray efficiency

Results due to very high gas velocity

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Mass Transfer
One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect

Neither the product composition nor the fraction vaporised

The product composition but not the fraction vaporised

The product composition as well as the fraction vaporised

The fraction vaporised but not the product composition

Neither the product composition nor the fraction vaporised

The product composition but not the fraction vaporised

The product composition as well as the fraction vaporised

The fraction vaporised but not the product composition

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Mass Transfer
Moisture in a substance exerting an equilibrium vapour pressure less than that of pure liquid at the same temperature is called the __________ moisture.

Bound

Unbound

Critical

None of these

Bound

Unbound

Critical

None of these

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Mass Transfer
In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor.

Increases with increase in

Both A and B

Is one at unity value of

Neither A nor B

Increases with increase in

Both A and B

Is one at unity value of

Neither A nor B

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Mass Transfer

Mass Transfer In a binary system, separation is very efficient, when the relative volatility is

Mass Transfer The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C.

Mass Transfer Weeping in a distillation column

Mass Transfer One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect

Mass Transfer Moisture in a substance exerting an equilibrium vapour pressure less than that of pure liquid at the same temperature is called the __________ moisture.

Mass Transfer In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor.

Mass Transfer
In a binary system, separation is very efficient, when the relative volatility is

Mass Transfer
The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C.

Mass Transfer
Weeping in a distillation column

Mass Transfer
One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect

Mass Transfer
Moisture in a substance exerting an equilibrium vapour pressure less than that of pure liquid at the same temperature is called the __________ moisture.

Mass Transfer
In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor.