Flights in a rotary dryer are provided to

1.	Flights in a rotary dryer are provided to
A.	lift and shower the solids thus exposing it thoroughly to the drying action of the gas.
B.	reduce the residence time of solid.
C.	increase the residence time of the solid.
D.	none of these.
Answer» B. reduce the residence time of solid.

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Flights in a rotary dryer are provided to

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