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Mass Transfer

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

- ve
-1
1
+ ve

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Mass Transfer
If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are

Straight
Parallel
Both A & B
Neither A nor B

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Mass Transfer
Surface renewal model of mass transfer was enunciated by

Toor and Marchello
Stefan
Fick
Danckwerts

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Mass Transfer
Leaching of coarse solid lumps is also termed as

Decoction
Percolation
Agitation and settling
Dissolution

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Mass Transfer
For continuous drying of grannular or crystalline material, the dryer used is the __________ dryer.

Rotary
None of these
Tray
Tunnel

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Mass Transfer
In case of non-ideal gases and liquids, the molal diffusivity

Varies inversely as the pressure
Is equal to the volumetric diffusivity
Is independent of pressure
Varies directly as the pressure

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