Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity.

Mass Transfer
Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity.

Percentage

None of these

Molal

Relative

Percentage

None of these

Molal

Relative

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Mass Transfer
Weeping in a distillation column

Increases tray efficiency

Provides large interfacial surface for mass transfer

Results due to very low gas velocity

Results due to very high gas velocity

Increases tray efficiency

Provides large interfacial surface for mass transfer

Results due to very low gas velocity

Results due to very high gas velocity

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Mass Transfer
On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in

Greater degree of separation with a fixed number of trays

None of these

Increased reflux ratio

Increased reboiler load

Greater degree of separation with a fixed number of trays

None of these

Increased reflux ratio

Increased reboiler load

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Mass Transfer
Surface renewal model of mass transfer was enunciated by

Stefan

Fick

Danckwerts

Toor and Marchello

Stefan

Fick

Danckwerts

Toor and Marchello

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Mass Transfer
Make up water is supplied during cooling tower operation to compensate for water losses due to

Evaporation

Blowdown

All of these

Entrainment

Evaporation

Blowdown

All of these

Entrainment

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Mass Transfer
For water-ethanol system, the minimum reflux ratio

Is computed from the intercept of the operating line

Is the optimum reflux ratio

Is computed from the slope of the upper operating line that is tangent to the equilibrium curve

Cannot be computed

Is computed from the intercept of the operating line

Is the optimum reflux ratio

Is computed from the slope of the upper operating line that is tangent to the equilibrium curve

Cannot be computed

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Mass Transfer

Mass Transfer Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity.

Mass Transfer Weeping in a distillation column

Mass Transfer On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in

Mass Transfer Surface renewal model of mass transfer was enunciated by

Mass Transfer Make up water is supplied during cooling tower operation to compensate for water losses due to

Mass Transfer For water-ethanol system, the minimum reflux ratio

Mass Transfer
Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity.

Mass Transfer
Weeping in a distillation column

Mass Transfer
On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in

Mass Transfer
Surface renewal model of mass transfer was enunciated by

Mass Transfer
Make up water is supplied during cooling tower operation to compensate for water losses due to

Mass Transfer
For water-ethanol system, the minimum reflux ratio