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1.A reservoir has been built to supply water during droughts. The design volume is 7.00*10^6 m^3. If the average flow into the reservoir is 3.2 m^3/s and the DNR requires that the discharge from the reservoir be at least 2.0 m^3/s, how many days will it take to achieve the design volume?
2.The motor draws in the cable at c with a constant velocity of vc= 4 m/s. The moto draws in the cable at D with a constant acceleration of aD=8 m/s^2. If vD=0 when t=0, determine:
a) the time needed for block A to rise 3 m
b)the relative velocity of block A with respect to block B when this occurs.
An electrostatic precipitator (ESP) is being designed to collect flue gas particles at a power plant. The following information has been collected: electric field intensity = 100,000 V/m, and average particle charge = 0.30 fC (1 fC = 10-15 C).
Classify the following soils using the given grain size distribution (ASTM system) and Atterberg Limits data:
the cost and revenue associated with producing a sustainable component are fixed costs = $112,500. Variable costs = $30 / unit. Revenue = $45 / unit. How many units must the company sell each year to breakeven
While the swing bridge is closing with a constant rotation of 0.5 rad/s, a man runs along the roadway such that when d = 10 ft he is running outward from the center at 5ft/s with an acceleration of 2 ft/s^2, both measured relative to the roadway.
A rigid 1ft^3 vessel contains R-134a originally at -20F and 27.7% quality. The refrigerant is then heated until its temperature is 100F. Calculate the heat transfer required to do this, in Btu.
The discharge from the Renenutet sugar beet plant causes the DO at the critical point to fall to 4.0 mg/L. The Meskhenet Stream has a negligible BOD and the initial deficit after the river and wastewater have mixed is zero
Considering both temperature and pressure to be variables, what is the largest number of phases that can coexist at equilibrium in a binary alloy
Briefly describe the measures that should be considered for the control of corrosion of embedded steel in concrete.
An aggregate blend is composed of 59% coarse aggregate by weight (sp. Gr. 2.635), 35% fine aggregate (Sp. Gr. 2.710), and 5% filler (Sp. Gr. 2.748). The compacted specimen contains 6% asphalt binder
A falling-head permeability test was carried out on a clay soil of diameter 10 cm and length 15 cm. In 1 hour the head in the standpipe of diameter 5 mm dropped from 68 cm to 50.2 cm. Calculate the hydraulic conductivity of this clay.
Determine a composite SCS runoff curve number for a 600-acre basin that is totally within soil group C. The land use is 40 percent contoured row crops in poor hydrologic condition and 60 percent native parture in fair hydrologic condition.
Discuss the role of each physical, chemical and biological unit operations and processes employed in the wastewater treatment facility. If this treatment facility is required to supply class A recycle water to those industries for non-potable use
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