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Mass Transfer

Mass Transfer
At 750°K and 1 atm, the approximate value of Schmidt number for air is

0.1
10
0.01
1

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Mass Transfer
At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant

Decreases
Increases
Remains unchanged
Increases exponentially

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Mass Transfer
Free flowing granular materials can be best dried in a __________ drier.

Drun
Rotary
Cylinder
Freeze

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Mass Transfer
In case of unsaturated air

None of the listed here
Wet bulb temperature < dry bulb temperature
Both of the options given here
Dew point < wet bulb temperature

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Mass Transfer
In a packed bed absorption column, the channelling will be noted by the

Sharp rise in pressure drop
Increase in flow rate
None of these
Sharp drop in pressure drop

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Mass Transfer
The reciprocal of stripping factor is termed as

Murphree efficiency
Relative volatility
Absorption factor
Selectivity index

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