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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 9
36.
The relative volatility of a binary mixture at constant temperature __________ the total pressure.
decreases with increase in
increases with increase in
is independent of
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Tower diameter may be decreased by
using higher reflux ratio.
use of increased tray spacing.
increasing the liquid flow rate.
increasing the vapour flow rate.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Rayleigh's equation applies to __________ distillation.
continuous
steam
differential
flash
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Steady state equimolal counter diffusion is encountered in
separation of a binary mixture by distillation.
absorption of NH3 from air by water.
all liquid-liquid diffusion systems.
all liquid-solid diffusion systems.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Which of the following is considered equivalent to one theoretical stage in Mc-Cabe Thiele's method ?
Partial condenser
Total condenser
Reboiler
Both (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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