The flow of kerosene is being measured with an orifice meter similar to that shown in Fig. 15.6. The pipe is a 2-in Schedule 40 pipe and the orifice diameter is 1.00 in. The kerosene is at 77°F. For a pressure difference of 0.53 psi across the orifice, calculate the volume flow rate of kerosene.

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(a) Straight bore (b) Bore with bevel (c) Bore with counterbore For all plates T=Plate thickness W= Tab width L=Tab length d= Bore diameter = BD D= Pipe inner diameter B = Beta = d/D (d) Quadrant bore (e) Eccentric bore () Segmental bore -Orifice plate D/2 Vena contracta Flow P, TP: to manometer (g) Sketch of orifice installation