A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process ?

Relative humidity of outlet air

A solid material shows case hardening properties while drying. Which o

1.	A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process ?
A.	Flow rate of inlet air
B.	Relative humidity of outlet air
C.	Humidity of inlet air
D.	Temperature of the solid
Answer» E.

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A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process ?

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