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Mass Transfer

Mass Transfer
H₂S present in naphtha reformed gas is removed by absorbing with

HCl
Vacuum gas oil
K₂CO₃
Ethanolamine

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Mass Transfer
All moisture in a non-hygroscopic material is the __________ moisture.

Unbound
Free
Bound
Equilibrium

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Mass Transfer
Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower.

Packed
Bubble cap
Wetted wall
Perforated tray

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Mass Transfer
Which of the following unit operations makes use of Thiele-Geddes equation?

Multicomponent distillation
Liquid-liquid extraction
Multicomponent absorption with chemical reaction
Solid-liquid extraction

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Mass Transfer
Separation of two volatile liquids by distillation makes use of their

Selectivity
Relative volatility
Density difference
Solubility

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Mass Transfer
Pressure drop through plate tower as compared to that through packed tower, for the same duty will be

Less
Equal
Either A or B; depends on the packing height
More

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