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1.A 6 in orifice is placed in a 10 in pipe and a mercury manometer is connected to either side of the orifice. If a flow rate of water (60 F) through this orifice is 3 cfs, what will be the manometer deflection?
2.What size of orifice is needed to produce a change in head of 9m for a discharge of 2 m^3/s of water in a 1-m diameter pipe.
3.The pressure inside a 4 cm hose is 700 kPa. If the water exits through a 2 cm diameter nozzle, what velocity in m/s, can be expected inside the hose ?
A siphone generates a flow of 1 ft/sec thru a 1 inch OD, 3/4 ID hose. A) What height difference is needed to generate this flow B) What height for 10 ft/sec C) What for 100 ft/sec
Nitrate concentrations are often recorded in units of NO3--N/L to be compared with other nitrogen constituents. Near three rural wells nitrate concentrations were reported as 0.25 mg
The smooth surface that provides the support at C lies in the y-z plane. Determine the reaction components that the ball and socket exert on rod ABC, the tension in cable BD, and force the smooth wall exerts on end C of rod ABC.
An activated sludge system treats 1500 m3/day of raw wastewater with a BOD of 250 mg/L. The reactor volume is 375 m3. The kinetic parameters were determined to be: x = 3 day-1, Y = 0.55 kg SS/kg cells, and Ks = 150 mg/L.
What is the major head loss in a coarse concrete pipe with a diamter of 1ft that is 100 ft long. Water flows at a rate of 20 ft^3/s (viscosity of water = 2.344x10^-5 lbfs/ft^2, density of water = 1.94 slugs/ft^3) 1inch = 25.4mm
Concrete cover on both sides. Sketch how you will place the bars and calculate the location of the effective depth. Place as many bars in the lower layers as possible.
At what depth would the vertical effective stress in a deep deposit of clay be 100 kpa, if e=1.1? The ground water level is a 1 m delow ground surface and S=95% above the groundwater level. Neglect pore air pressure.
How many kg/day of NaOH must be added to neutralize a waste stream generated by an industry producing 90.8 million g/day of sulfuric acid, if 0.1% of the sulfuric acid produced is lost to wastewater The wastewater flow is 750,000 L/day
The coefficient of friction between a car's tires and the road is such that the car can generate a maximum deceleration of 1.1g without experiencing slip.
A 4 X 8-ft solar collector has water circulating through it at the rate of 1.0 gallon per minute (gpm) while exposed to sunlight with intensity 300 Btu/ft2-hr. Fifty percent of that sunlight is captured by the collector and heats the water flowing..
Describe a piece of John Deere agricultural equipment that utilizes GPS hardware and software. Describe how many RECs are placed on the equipment and where it is placed.
how many pounds of coal must be burned to keep one 100 watt light bulb lit for one hour. Assume efficiency of the power plant is 35%, the transmission losses are 10% fo the delivered poer, and the heating value of coal is 12,000 BTU/lb
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