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Mass Transfer

Mass Transfer
Schmidt number is given by

Sh x Pe
Re.Pe
Μ/ρDAB
Re/Pe

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Mass Transfer
__________ columns are used for liquid dispersion in a continuous gas phase.

Packed
Pulse
Bubble cap
Sieve plate

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Mass Transfer
Raschig ring made of procelain cannot be used for treating concentrated

Alkalis
Hydrochloric acid
Sulphuric acid
Nitric acid

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Mass Transfer
The operating cost of a distillation column at minimum reflux ratio is

Maximum
Zero
Minimum
Infinite

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Mass Transfer
Danckwerts developed the __________ theory.

None of these
Penetration
Surface renewal
Film

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Mass Transfer
If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is

1
< 1
> 1

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