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Encircle the correct answer for the following questions: • What is the hydraulic diameter of a rectangular air ventilation du
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7 Hydraulic diameter = 4x Area Wetted perimeter 4 X 1 X 0.25 2 (1+0.25 ) 0.4 m or 40 cm = Arus - Option (b) 2% Presure drop -5) Kinematic ws cosity olimension : 64 (c) L²/t . Perce -scole equivalence ( Dynamic

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