Mass Transfer

For the same process conditions, the reflux ratio of an unlagged distillation column___________________?

Byadmin February 17, 2019August 22, 2021

For the same process conditions, the reflux ratio of an unlagged distillation column___________________?

A. Decreases in winter
B. Increases in winter
C. Increases in summer
D. None of these

Mass Transfer

In the desorption of highly soluble gas from the liquid, the main resistance will be in the ______________ phase?

In the desorption of highly soluble gas from the liquid, the main resistance will be in the ______________ phase?

A. Gas
B. Liquid
C. Both A. & B.
D. Neither A. nor B.

Read More In the desorption of highly soluble gas from the liquid, the main resistance will be in the ______________ phase?
Mass Transfer

For the same system, if the same liquid used in an absorber is decreased, the tower height will__________________?

For the same system, if the same liquid used in an absorber is decreased, the tower height will__________________?

A. Increase
B. Decrease
C. Remain unaffected
D. Decrease or increase; depends on the type of liquid

Read More For the same system, if the same liquid used in an absorber is decreased, the tower height will__________________?
CHEMICAL ENGINEERING | Mass Transfer

Detergent solution is dried to a powder in a

Question: Detergent solution is dried to a powder in a
[A].

spray dryer
[B].
spouted bed dryer
[C].
tunnel dryer
[D].
pan open to atmosphere

Answer: Option A

Explanation:

No answer description available for this question.

Read More Detergent solution is dried to a powder in a
Mass Transfer

Which of the following mixtures does not form an azeotrope at atmospheric pressure ?

Which of the following mixtures does not form an azeotrope at atmospheric pressure ?

A. Water-alcohol
B. Methyl alcohol-acetone
C. Butyl acetate-water
D. None of these

Read More Which of the following mixtures does not form an azeotrope at atmospheric pressure ?
Mass Transfer

Experiments were conducted to determine the flux of a species A in a stagnant medium across a gas-liquid interface. The overall mass transfer co-efficient based on the liquid side for dilute systems for the above was estimated to be 4 × 10-3 kg mole/m2.s. The equilibrium data for the system is given as y = 2x. The flux across the interface (in kg mole/m2 .s) for bulk concentrations of A in gas phase and liquid phase as y = 0.4 and x = 0.01 respectively is _________________________?

Experiments were conducted to determine the flux of a species A in a stagnant medium across a gas-liquid interface. The overall mass transfer co-efficient based on the liquid side for dilute systems for the above was estimated to be 4 × 10-3 kg mole/m2.s. The equilibrium data for the system is given as y = 2x. The flux across the interface (in kg mole/m2 .s) for bulk concentrations of A in gas phase and liquid phase as y = 0.4 and x = 0.01 respectively is _________________________?

A. 5.6 × 10-4
B. 8.5 × 10-4
C. 5.6 × 10-3
D. 8.5 × 10-3

Read More Experiments were conducted to determine the flux of a species A in a stagnant medium across a gas-liquid interface. The overall mass transfer co-efficient based on the liquid side for dilute systems for the above was estimated to be 4 × 10-3 kg mole/m2.s. The equilibrium data for the system is given as y = 2x. The flux across the interface (in kg mole/m2 .s) for bulk concentrations of A in gas phase and liquid phase as y = 0.4 and x = 0.01 respectively is _________________________?
Mass Transfer

Mass transfer co-efficient varies as DAB 0.5, according to the _______________ theory?

Mass transfer co-efficient varies as DAB 0.5, according to the _______________ theory?

A. Film
B. Surface renewal
C. Penetration
D. None of these

Read More Mass transfer co-efficient varies as DAB 0.5, according to the _______________ theory?

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