The equivalent diameter for pressure drop calculation for a duct of sq – McqOptions

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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.	<span class="root"> x </span>
C.	<span class="root">2x</span>
D.	<span class="root">x/2</span>
Answer» B. <span class="root"> x </span>

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