Normally, the length to diameter ratio of rotary dryers varies from 4 – McqOptions

MCQOPTIONS

1.	Normally, the length to diameter ratio of rotary dryers varies from 4 to 10 and for its economic operation; the number of transfer units (NTU) for such dryers varies from ?
A.	1.5-2.5
B.	3.5-5.5
C.	7.5-10.0
D.	10-15
Answer» B. 3.5-5.5

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