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1.A 4-m-long, 6-cm-diameter cylinder placed normal to the flow is used to measure the velocity of an air stream. If a force of 50 N is measured, the air velocity is nearest (for air use v = 1.5 x 10^-5 m2/s, and roe= 1.2 kg/m3
2.The velocity field of a flow is given by V = x2 y i - x y2 j ft/s, where x, y, and z are in ft. Does the flow satisfy continuity? Is the flow irrotational? Determine the stream function.
3.The stream function for a certain flow is ? = x3 y3. Is the flow irrotational? Does the flow satisfy continuity?
Water flows from a ground storage tank that is 450 feet above a town's water distribution system. The pressure at the entrance of the system must be at least 75 psi and the demand is 1350 GPM.
A bridge has been constructed between the mainland and an island.The total cost (excluding tolls) to travel across the bridge isexpressed as C = 50 + 0.5V, where V is the number of veh/h and C isthe cost/vehicle in cents.
A 30 g bullet is fired with a horizontal velocity of 450 m/s through 3-kg block B and becomes embedded in carrier C which has a mass of 30 kg. After the impact, block B slides 0.3m on C before coming to rest relative to the carrier.
This weir is to be replaced by an uncontracted horizontal weir that will maintain the same upstream depth. Determine the height of the weir if the discharge coefficient is based on the following equation: C = 1.78 * 0.22(H/p)
For an SO2 emission rate of 22,000 kg/day and an exhaust gas flow rate of 5.0 million m^3/hour(after the scrubber) measured at 150 C and 1atm pressure, calculate the concentration of SO2 in the exhaust gases(ppm).
A rectangular channel carries discharge of 10 m^2/s per unit width, with a sluice gate. Calculate the flow depth y3, if a hydraulic jump forms downstream of the sluice gate when y1 = 20 m.
Ball A is thrown vertically upward from the top of a30-m-high-building with initial velocity of 5m/s. At the same instant another ball B is thrown upward from the ground with aninitial velocity of 20m/s. Determine the height from the ground andthe ti..
a 300 lb block is supported by a rope that was wrapped 1 1/2 times around a horizontal rod. Knowing that the coefficient of static friction is .15 determine the range of values of P for which equilibrium is maintained
During a regeneration process, some steam is extracted from the turbine and is used to heat the liquid water leaving the pump. This does not seem like a smart thing to do since the extracted steam could produce
For the following velocity profiles state whether they are steady or unsteady and whether they are 1-D, 2-D or 3-D.
The base engine develops 200 ft-lb of torque, and a modified version of the engine develops 240 ft-lb of torque. If the overall gear reduction ratio is 8 to 1, what is the maximum acceleration from rest (in ft/sec^2) for.
Using the following assumptions, determine the solids retention time, the cell wastage flow rate, and the return sludge flow ratefor the Jambalaya shrimp processing plant WWTP
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