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Mass Transfer

Mass Transfer
Large scale drying of sugar is done in a __________ dryer.

Spouted bed
Rotary
Truck
Tray

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Mass Transfer
Antibiotics are best handled in a

Podbielniak extractor
Sieve tray contractor
Rotating disc contactor
Pulsed column extractor

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Mass Transfer
The main reason for dividing a tall packed tower into series of small towers is to

Reduce liquid hold up
Avoid flooding
Avoid channeling
Minimise the overall pressure drop

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Mass Transfer
With increase in temperature, the leaching rate increases because of the

Decreased viscosity of liquid
Increased diffusivity
Both Decreased viscosity of liquid & Increased diffusivity
None of the listed here

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Mass Transfer
The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C.

25
< 25
> 25
-25

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Mass Transfer
Boiling point diagram is not affected by the ambient

Temperature
Both B and C
Pressure
Humidity

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