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Water, at volume flow rate Q=20 L/s, is delivered by horizontal fire hose and nozzle assembly. The hose (L = 100m, D = 75 mm, and e/D = .004) is made up of five 20 m sections joined by couplings. The entrance is squared edged; the minor loss coefficient for each coupling is Kc = 0.5, based on mean velocity through the hose. The nozzle loss coefficient is Kn = .02, based on velocity in the exit jet, of D2 = 25 mm diameter. Assuming the water temperature is 15 degrees C, estimate the supply pressure required at this flow rate.
An earth embankment is compacted at water contect of 17% to a bulk density of 1.90 gm/cc.If the specific gravity of soil grains is 2.65, then what will be the degree of saturation of the compacted embankment
Compute the detention time and horizontal flow through velocity. Do these values satisfy the standards for water works, which stipulate detention time is greater and equal to 30 min and 0.5 ft/min =
We would continue embankment work even if winter season and my question is what is swelling amount of compacted soil for 30cm thickness and 95% compaction degree by freezing.
The cart has a velocity of 4 ft/sec to the right. Determine the angular speed N of the wheel so that point A on the top of the rim has a velocity (a) equal to 4 ft/sec to the left, (b) equal to zero, and (c) equal to 8 ft/sec to the right
A syringe is pointed vertically up in the air and a force of 5 lbs is applied to the plunger with a diameter of 0.5 inches. Assuming no losses in the system how high will the stream of water rise above the syringe
A tank operated as a CFSTR used to remove benzene from a flow stream is 1500 m3 in size. The flow rate in and out of the tank is 8 m3/day. If the influent benzene concentration of 265 ug/L and the effluent concentration is 12 ug/L
The flow is fully developed and laminar. Make use of the Navier Stokes equation to determine the relationship between the discharge and the other parameters involved, for the case in which the change in pressure along the channel is zero.
what criteria should Zachary use evaluate the project ?
Draw the S.F.D and B.M.D for the beam as a single unit and determine the position and amount of hte maximum bending unit. 5kN 30kN 5kN A B C D E 2m width 2.5m width 2.5m width 2m width 20kN 20kN
The member is 24ft long with pinned end supports and is laterally supported in the weak direction at the one-third points of the total column length. Use 50 ksi steel.
The maximum speed of trains for urban rail transit is 60 mph and maximum acceleration/deceleration rates allowed for standing passengers are 5 feet/sec2. Part A) If the station spacing is determined at 1000 ft, what is the maximum average running s..
Suppose a watershed in Athens, Georgia has 25 acres pasture (CN=70) and 50 acres wooded (CN=55). Determine the excess rainfall (in inches) and runoff volume (cubic feet) assuming the design rainfall is 25-year, 24-hour.
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