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; <br /> Or�rice I)esi�ln : Q = G3 � ��)t� <br /> -- i <br /> w:�eru n - Discharye, cfs <br /> C = Coefficient oF clischarqe <br /> a = area of oriCice , sq. ft. <br /> �� = acceleration of yravity, Ct . p�r si�c . � <br /> h = head on the center oE oril:ice , ft . <br /> for C = 0 .62 <br /> � - 0 .510 <br /> c� = 32�.Z <br /> tl = 3.93 <br /> :. Q _ 9..51-------- <br /> a = - � �--- <br /> C 2yh ( .62) (V 2) (32. 2) (3 .93) <br /> � = 0. 052 S4• ft. <br /> a = 7 .45 sq. in. <br /> since a = '}C r2 <br /> . . Radius = r = `� = 1 Sy inches <br /> V � <br /> . ,', p = 3.08 inches <br /> r <br /> �J <br />