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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 11
16.
Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture.
unbound
critical
free
bound
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Inside the distillation columns, the
highest temperatures is near the feed plate.
driving force for the liquid flow is its weight.
vapors are not always at their dew points.
all (a), (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
When the psychometric ratio is __________ then the adiabatic saturation temperature and wet bulb temperature becomes equal.
1
< 1
> 1
∞
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Desirable value of absorption factor in an absorber is
1
< 1
> 1
0.5
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Refractory bricks are usually dried in a __________ dryer.
tray
tunnel
conveyor
festoon
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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