*/*_The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct)?

*/*_The equivalent diameter for pressure drop calculation for a duct o

1.	/_The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct)?
A.	x
B.	≈ì√Ñx
C.	2x
D.	x/2
Answer» B. ≈ì√Ñx

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*/*_The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct)?

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/_The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct)?