The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will

Mass Transfer
The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will

Decrease

Depend on saturated boiling point; may increase or decrease

Increase

Remains same

Decrease

Depend on saturated boiling point; may increase or decrease

Increase

Remains same

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Mass Transfer
In a packed bed absorption column, the channelling will be noted by the

None of these

Increase in flow rate

Sharp rise in pressure drop

Sharp drop in pressure drop

None of these

Increase in flow rate

Sharp rise in pressure drop

Sharp drop in pressure drop

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Mass Transfer
The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if

NPr = NLe

NSc = NLe

NSc = NPr = NLe

NSc = 1

NPr = NLe

NSc = NLe

NSc = NPr = NLe

NSc = 1

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Mass Transfer
The term "approach" in a cooling tower refers to the difference in the temperature of the

Cold water leaving the tower and the wet bulb temperature of the surrounding air

Hot water entering the tower and the wet bulb temperature of the surrounding air

Hot water entering and the cooled water leaving the cooling tower

None of these

Cold water leaving the tower and the wet bulb temperature of the surrounding air

Hot water entering the tower and the wet bulb temperature of the surrounding air

Hot water entering and the cooled water leaving the cooling tower

None of these

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Mass Transfer
The dew point of an unsaturated gas-vapor mixture does not depend upon the __________ of the mixture.

Temperature

Total pressure

All of these

Composition

Temperature

Total pressure

All of these

Composition

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Mass Transfer
Minimum reflux ratio in a distillation column results in

Maximum condenser size

Optimum number of trays

Minimum reboiler size

Minimum number of trays

Maximum condenser size

Optimum number of trays

Minimum reboiler size

Minimum number of trays

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Mass Transfer

Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will

Mass Transfer In a packed bed absorption column, the channelling will be noted by the

Mass Transfer The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if

Mass Transfer The term "approach" in a cooling tower refers to the difference in the temperature of the

Mass Transfer The dew point of an unsaturated gas-vapor mixture does not depend upon the __________ of the mixture.

Mass Transfer Minimum reflux ratio in a distillation column results in

Mass Transfer
The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will

Mass Transfer
In a packed bed absorption column, the channelling will be noted by the

Mass Transfer
The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if

Mass Transfer
The term "approach" in a cooling tower refers to the difference in the temperature of the

Mass Transfer
The dew point of an unsaturated gas-vapor mixture does not depend upon the __________ of the mixture.

Mass Transfer
Minimum reflux ratio in a distillation column results in