Two pipes with 400 and 600 mm diameters, and 1000 and 1500 m lengths, respectively, are connected in series through one 600 * 400 mm reducer, consist of the following fittings and valves: Two 400-mm 90o elbows, One 400-mm gate valve, Four 600-mm 90o elbows, Two 600-mm gate valve. Use the Hazen Williams Equation with a C factor of 130 to calculate the total pressure drop due to friction in the series water piping system at a flow rate of 250 L/s?

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i lost in getting someone back.

i learned that people are really two-faced and no matter how angelic someone appears they always have a devil side and that you cant trust anyone anymore no matter how dear they are to you.

if your wondering who it waz it waz mah still miss her tho

~batmans wife dun dun

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the army does care about its soilders sir i think yout getting off on the wrong foot sir you need to respect our country were keeping the peole that want to d harm towards you out. so dont go saying we don't care cause we do

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what happend?

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