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Mass Transfer

Mass Transfer
__________ column is used in gas absorption process.

Seive/perforated tray
Wetted wall
Bubble cap
Packed

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Mass Transfer
__________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction.

Spray
Bubble
Tray
Packed

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Mass Transfer
Dimension of mass diffusivity is the same as that of

Dynamic viscosity
Pressure
Surface tension
Kinematic viscosity

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Mass Transfer
Which of the following quantities need not be fixed before starting the design of a co-current absorber?

Flow rate of gas
Flow rate of entering liquid
Heat gain or loss
None of the listed here

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Mass Transfer
When both the fluids flow concurrently in an absorber, the slope of the operating line is

1
- ve
+ ve
-1

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Mass Transfer
The binary diffusivity in gases and liquids vary respectively as

T3/2 and T
√T and T3/2
T and T3/2
T3/2 and √T

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