Separation Processes MCQ’s – Separation in Membranes

1 - Question

Which of the following is not an application of transport in membranes?
a) Microfiltration
b) Reverse osmosis
c) Dialysis
d) Fractional distillation

View Answer

Answer: d
Explanation: Fractional distillation is not an application of transport in membranes.

2 - Question

What cannot be a size of membrane?
a) Nano porous
b) Macroporous
c) Microporous
d) Non-porous

View Answer

Answer: a
Explanation: A membrane cannot be nano porus.

3 - Question

If the pressure drop(ΔP) is 1000 units, the flux(J) is 50 units,what is the hydraulic membrane permeability?
a) 0.02
b) 0.04
c) 0.05
d) 0.06

View Answer

Answer: c
Explanation: Since L= J/ΔP, L= 0.05 .

4 - Question

If the pressure drop(ΔP) is 1000 units, the flux(J) is 60 units,what is the hydraulic membrane permeability?
a) 0.02
b) 0.04
c) 0.05
d) 0.06

View Answer

Answer: d
Explanation: Since L= J/ΔP, L= 0.06 .

5 - Question

If the pressure drop(ΔP) is 1000 units, the flux(J) is 40 units,what is the hydraulic membrane permeability?
a) 0.02
b) 0.04
c) 0.05
d) 0.06

View Answer

Answer: b
Explanation: Since L= J/ΔP, L= 0.04 .

6 - Question

If the pressure drop(ΔP) is 500 units, the flux(J) is 50 units,what is the hydraulic membrane permeability?
a) 0.01
b) 0.04
c) 0.05
d) 0.06

View Answer

Answer: a
Explanation: Since L= J/ΔP, L= 0.01 .

7 - Question

If the pressure drop(ΔP) is 1000 units, the flux(J) is 50 units,what is the hydraulic membrane permeability?
a) 0.02
b) 0.04
c) 0.05
d) 0.06

View Answer

Answer: c
Explanation: Since L= J/ΔP, L= 0.05 .

8 - Question

If the pressure drop(ΔP) is 200 units, the flux(J) is 100 units,what is the hydraulic membrane permeability?
a) 0.02
b) 0.04
c) 0.5
d) 0.6

View Answer

Answer: c
Explanation: Since L= J/ΔP, L= 0.5 .

9 - Question

If the pressure drop(ΔP) is 1000 units, the flux(J) is 200 units,what is the hydraulic membrane permeability?
a) 0.2
b) 0.4
c) 0.5
d) 0.06

View Answer

Answer: a
Explanation: Since L= J/ΔP, L= 0.2 .

10 - Question

If the pressure drop(ΔP) is 1000 units, the flux(J) is 300 units,what is the hydraulic membrane permeability?
a) 0.67
b) 0.33
c) 0.54
d) 0.06

View Answer

Answer: b
Explanation: Since L= J/ΔP, L= 0.33 .

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