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1.Compare the head loss for water flow (Q=5 cfs) in a 12 in. , 3000 ft. long steel pipe using the darcy-weisbach equation and the hazen-williams formula.
2.A fireman reduces the exit area on a nozzle so that the velocity inside the hose is quite small relative to the exiting velocity. What is the maximum exiting velocity and what is the maximum height the water can reach if the pressure inside the hose is 200 psi?
3.What is the chemical composition of steel? and what is the effect of carbon on the mechanical properties of steel?
The sediment sample is 30 cm long. The porous plates on top and bottom of the sample holding it in place have a vertical hydraulic conductivity of 0.001 cm/s and each have a thickness of 10 cm.
The fixture AC is designed with a screw adjustment to regulate the height of the 900 N load supported by the roller at A. The screw bears against a smooth surface at B. Determine the reaction forces at points B and C. Neglect the weight of the fix..
during the next month, the amount of water available for a city is lognormally distributed with a mean of 1 million gallons and a c.o.v. of 40%, where as the total demand is expected to follow a lognormal distribution
Plateau Creek carries 5.0 m^3/s of water with a selenium (SE) concentration of 0.0015 mg/L. a farmer starts withdrawing 1.0 m^3/ of the creek water to irrigate the land.
Refrigerant R134a enters the compressor of a refrigerator at 0.14 MPa and -10°C at a rate of 0.12 kg/s and leaves it at 0.7 MPa and 50°C. The refrigerant is cooled in the condenser to 24°C and .065 MPa and it is throttled to 0.15 MPa.
Determine the clean filter head loss in a filter bed composed of 0.3 m of uniform anthracite (with an average size of 1.6 mm) placed over 0.3 m of uniform sand ( with an average size of 0.5 mm)
you are studying a 3-km stretch of stream that is about 35 m wide. a gaging station onnbspthe stream provides you with
Radon from well water may pose a radiological health hazard. One treatment technique is simply to hold the water in storage, allowing the radon to decay. how large must each be to achieve the desired level of control.
Show how Kh, and Kow can be used to describe Koa. You must show how the concentration units for all equilibrium distribution ratios either cancel or remain to give the final value for Koa. Octonal-air partitioning coefficient (Koa = C(octanol)/C(a..
The structure consists of a wood frame with plywood roof deck, wall sheathing and floor deck. general form of the building construction is to be determined by the designer.
Derive an equation for the reaction force (Rx) associated with conservation of momentum in a straight length of pipe of uniform diameter. Approximate the velocity as steady and uniform at each cross-section, and the fluid as constant density.
An investor purchased 100 shares ofOmega common stock for 10,000. He held the stock for nine years.For the first four years he received annual end-of-year dividendsof $1,000. For the next four years he received annual dividends of$400
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