H

$8-$

Water flows through the pipe contraction shown in Fig. P$3\mathrm{.}30.$ For the given $0\mathrm{.}2-$m differencesin manometer level, determine the flowrate as a function of the diameter of the small pipe, $D.$

$9-$ How much is the flow rate in the siphon when $a=150mm$ and $b=350mm.$ The pipe diameter is $25mm?$ow much is the flow rate in the siphon when $a=150mm$ and $b=350mm.$ The pipe diameter is $25mm?$