Water having density $988k\frac{g}{m^3}$ flows steadily through a reducing pipe bend, as in figure

below. Known conditions are $P_1=250$kPa,$D_1=25cm,V_2=2\mathrm{.}2\frac{m}{s},P2=110$kPa, and $D_2=10$

$cm.$ Neglecting bend and water weight, calculate the total force which must be resisted by the

flange bolts if atmospheric pressure is $100$kPa.

Hint: Due to the significant digits you will use during your calculations, you may find the result

different in the ones digit or the digits after the comma, if any, choose the closest option.

A$)7\mathrm{.}5KN$

B$)9\mathrm{.}5KN$

C$)10KN$

D$)11\mathrm{.}5KN$

E$)14\mathrm{.}5KN$

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