The number of possible heat transfer units in a rotary dryer is appro – McqOptions

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1.	The number of possible heat transfer units in a rotary dryer is approximately ___________
A.	2.0 – 3.0
B.	1.5 – 2.0
C.	2.5 – 6.5
D.	6.5 – 9.5
Answer» C. 2.5 – 6.5

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