1.

The Hydraulic Diameter (DH) is defined as _____
AO : is the minimum free-flow area on one fluid side of a heat exchanger.

A. nP : is the wetted perimeter of flow passages of that side.
B. ( frac{4A_o}{P} )
C. ( frac{A_o}{4P} )
D. ( frac{A_o}{P} )
E. ( frac{8A_o}{P} )
Answer» B. ( frac{4A_o}{P} )


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