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Mass Transfer

Mass Transfer
When both the fluids flow concurrently in an absorber, the slope of the operating line is

- ve
+ ve
-1
1

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Mass Transfer
Psychrometry deals with the properties of gas-vapor mixture. Humidity can be determined by the measurement of the __________ of a fibre.

Strength
Electrical resistance
None of the listed here
Thermal conductivity

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Mass Transfer
Which of the following remains constant during sensible cooling process ?

Partial pressure of vapour
Specific humidity & Partial pressure of vapour
None of the listed here
Specific humidity

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Mass Transfer
Sodium bicarbonate is produced during soda ash manufacture using a __________ tower.

Plate
None of these
Baffle
Packed

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Mass Transfer
Air at a particular humidity is heated in a furnace. The new dew point

Remain unchanged
Depends on the extent of heating
Increases
Decreases

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Mass Transfer
For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of __________ microns (1 mm = 1000 microns).

200-300
> 500
43835
22190

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