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A 3 m high tank filled with water has a discharge valve near the bottom and another near the top.
A) If these 2 valves are opened, will there be any difference between the discharge velocities of the 2 water streams?
B) If a hose whose discharge end is left open on the ground is first connected to the lower valve and then to the higher valve, will there be any difference between the discharge rates of water for the 2 cases? Neglect frictional effects.
A circular plate is loaded with a total load of 60 kips distributed uniformly over the surface at a pressure of 100 psi. Calculate the vertical stress at every combination of the following: (a) Depth: 12 and 50 (b) Radial distance from the center ..
Determine the deflection of a simple uniformly loaded beam by the Ritz method,using first one term, then two terms, adn finally three terms in a sine series. Why does the coefficient of sin2piex/L vanish?
A tank is divided into two equal chambers by an internal diaphragm. One chamber containes methane at a pressure of 500 bar and a temperature of 20 C, and the other chamber is evacuated.
A vapor-compression refrigeration system, using Refrigerant 134a as the working fluid, has evaporator and condenser pressure of 1.4 bar and 12 bar, respectively.
Water enters the lock of a ship canal through 180 ports, each port having a 2 ft by 2 ft cross section. The lock is 900 ft long and 105 ft wide. The lock is designed so that the water surface in it will rise at a maximum rate of 6 ft/min.
A 1.50 L buffer solution is 0.250 M in HF and 0.250 M in NaF. Calculate the pH of the solution after the addition of 0.0500 moles of solid NaOH. Assume no volume change upon the addition of base. The Ka for HF is 3.5 x 10-4.
why the highest head of the water in the excavation is mathematically guaranteed to occur on the edge of the excavation. explain in mathematical and/or physical.
if the mass of liquid to vapor in a mixture of saturated liquid and vapor water is 0.8, what is the quality of the mixture
Two Tangents intersect at a PI Station of 35+33.24 whose coordinates are N=10349.64 feet and E= 10436.79 feet. The Intersection angle (I) = 20°15'42" Right, and the azimuth of the back Tangent is 23°14'32". (This azimuth is from the PC to the PI.)
A 1.00 mol sample of an ideal gas (gamma = 1.40) is carried through the Carnot cycle. At point A, the pressure is 25.0 atm and the temperature is 600 K. At point C, the pressure is 1.00 atm and the temperature is 400 K.
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.
Two sites are being considered for wind power generation. In the first site, the wind blows steadily at 7 m/s for 3000 hours per year, whereas the second site the wind blows at 10m/s for 2000 hours per year
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