You are asked to "predict" the dynamic pressure that a sump$-$pump will face when pumping

$7$

water from a deep well inside a construction pit up to discharge into a large concrete pipe. The vertical distance from the water level inside the well and the discharge nozzle from which the water ours into the drainage pipe is $23\mathrm{.}4$ m $.$

The pump is at water level and will have to pump approximately $22$ litres $/$ second,

The installed pipe is $10$ cm in diameter, is PVC and has several built$-$in flow "impediments.

$1*$ gate vale

$4*$ insert couplings

$4*45$ degree elbows

$3*$ long $90$ degree elbows.

i$)$ What is the static pressure $($in metres$)$

Answer: $$

Using the parameters given previously in Question $7,$ and the figure below what is the total pressure loss due to friction in a straight pipe?

Using the table below, What is the equivalent length for the system described in Question $7($exclude straight length of pipe$)$

$\backslash$table$[[,,$Equivalent Lengths in Meter for Pipe Sizes in om$],[,,1\mathrm{.}3,1\mathrm{.}9,25,3\mathrm{.}8,5,7\mathrm{.}5,10,15,20],[$Elbows$,90$ deg long,$0\mathrm{.}7,0\mathrm{.}7,0\mathrm{.}8,1\mathrm{.}0,1\mathrm{.}1,1\mathrm{.}2,1\mathrm{.}4,18,20],[90$ deg Regular,$0\mathrm{.}9,1\mathrm{.}3,1\mathrm{.}6,1\mathrm{.}9,2\mathrm{.}1,23,3\mathrm{.}1,4\mathrm{.}7,7\mathrm{.}7],[45$ deg Regutar,$0\mathrm{.}2,0\mathrm{.}3,0\mathrm{.}4,0\mathrm{.}6,0\mathrm{.}9,1\mathrm{.}1,14,2\mathrm{.}2,3\mathrm{.}6],[$Insert Coupling,$0\mathrm{.}2,0\mathrm{.}2,0\mathrm{.}3,0\mathrm{.}5,0\mathrm{.}6,0\mathrm{.}9,12,1\mathrm{.}6,1\mathrm{.}8],[$Adapters$,0\mathrm{.}3,0\mathrm{.}5,0\mathrm{.}6,1\mathrm{.}1,1\mathrm{.}4,20,27,3\mathrm{.}8,4\mathrm{.}6],[$Tee$,$in flow,$0\mathrm{.}5,0\mathrm{.}4,1\mathrm{.}0,1\mathrm{.}7,2\mathrm{.}3,3\mathrm{.}6,5\mathrm{.}2,5\mathrm{.}8,7\mathrm{.}4],[$Tirus Branch,$1\mathrm{.}2,1\mathrm{.}5,20,3\mathrm{.}0,3\mathrm{.}6,5\mathrm{.}2,6\mathrm{.}4,9\mathrm{.}4,11\mathrm{.}6],[$Vivives$,$Gate Valve,$02,0\mathrm{.}2,0\mathrm{.}2,0\mathrm{.}4,0\mathrm{.}5,0\mathrm{.}8,0\mathrm{.}6,1\mathrm{.}0,1\mathrm{.}3],[$Globe Valve,$67,7\mathrm{.}3,8\mathrm{.}8,128,16\mathrm{.}4,24\mathrm{.}0,33\mathrm{.}4,59\mathrm{.}7,76\mathrm{.}0],[$Angle Valve,$4\mathrm{.}6,4\mathrm{.}6,5\mathrm{.}2,7\mathrm{.}0,8\mathrm{.}8,13\mathrm{.}1,173,25\mathrm{.}8,280]]$

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If the total length of the pipe from intake to outtake is $37\mathrm{.}9.$ What is the total equivalent length of the pipe?

Answer:

If the static pressure was $24\mathrm{.}5,$ and the friction loss was $0\mathrm{.}7\frac{m}{100},$ of pipe. What would be the dynamic pressure loss or total dynamic head?

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