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Mass Transfer

Mass Transfer
For continuous drying of grannular or crystalline material, the dryer used is the __________ dryer.

Tray
Tunnel
None of these
Rotary

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Mass Transfer
Pick out the system with minimum boiling azeotrope at 1 atm.

All of these
Hydrochloric acid-water
Benzene-toluene
Ethyl alcohol-water

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Mass Transfer
What is the degree of freedom of an absorption process in which only one component is transferred between phases?

2
4
3
1

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Mass Transfer
The value of NA/(NA + NB) for steady state molecular diffusion of gas 'A' through non-diffusing gas 'B' is

2
0.5
1
∞

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Mass Transfer
The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is

Spray chamber
None of these
Natural draft cooling tower
Induced draft cooling tower

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Mass Transfer
The cooling effect in a cooling tower can not be increased by

Lowering the barometric pressure
None of these
Increasing the air velocity over the wet surfaces
Reducing the humidity of entering air

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