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Gate ABC in Fig. has a fixed hinge at B and is 2 m wide into the paper. If the water level is high enough, the gate will open. Compute the depth
Gate AB is a quarter-circle 10 ft wide and hinged at B. Find the force F just sufficient to keep the gate from opening. The gate is uniform and weighs 3000 lbf.
Gate AB is a 3/8th circle, 3 m wide into the paper, hinged at B and resting on a smooth wall at A. Compute the reaction forces at A and B.
Gate AB is 7 ft into the paper and weighs 3000 lbf when submerged. It is hinged at B and rests against a smooth wall at A. Find the water level h
Gate AB in Fig is semicircular, hinged at B, and held by a horizontal force P at point A. Determine the required force P for equilibrium.You must provide
Gate ABC in Fig is 1-msquare and hinged at B. It opens automatically when the water level is high enough
Gate ABC in Fig. is a quarter circle 8 ft wide into the paper. Compute the horizontal and vertical hydrostatic forces on the gate and the line of action
Gate B is 30 cm high and 60 cm wide into the paper and hinged at the top. What is the water depth h which will first cause the gate to open
Given a flow pattern with isobars po - Bz + Cx2 = constant. Find an expression x = fcn (z) for the family of lines everywhere parallel to the local pressure
Given is steady isothermal flow of water at 20°C through the device in Fig. Heat-transfer, gravity, and temperature effects are negligible.
For the two-dimensional stress field in Fig. let s =3000 psf syy=2000 psf
For the triangular element in Fig show that a tilted free liquid surface, in contact with an atmosphere at pressure pa, must undergo shear stress
For the system of Fig, let ?z = 80 m and L = 185 m of cast-iron pipe. What is the pipe diameter for which the flow rate will be 7 m3/h?
For the pitot-static pressure arrangement of Fig the manometer fluid is (colored) water at 20°C. Estimate
For the piping system of Fig all pipes are concrete with a roughness of 0.04 inch. Neglecting minor losses, compute the overall pressure drop p1 - p2 in lbf/in2
For the pipe-flow reducing section of Fig D1 = 8 cm, D2 = 5 cm, and p2 = 1 atm. All fluids are at 20°C. If V1 = 5 m/s and the manometer reading is h
For the flow pattern of Fig consider the following different, and barely sufficient, data. The upstream velocity V1 = 1.5 m/s, and the bump height h is 27 cm
For those who think electric cars are sissy, Keio University in Japan has tested a 22-ft long prototype whose eight electric motors generate a total of 590
From the Navier-Stokes equations for incompressible flow in polar coordinates for cylindrical coordinates, find the most general case of purely circulating
For what uniform rotation rate in r/min about axis C will the U-tube fluid in Fig. take the position shown? The fluid is mercury at 20°C
Plot some streamlines for the combination of a counterclockwise line vertex K at (x, y) = (+a, 0) and an equal line vertex placed at (-a, 0). You must provide
Find the stream function and plot some streamlines for the combination of a line source m at (x, y) = (0, +a) and an equal line source placed
Find the stream function and plot some streamlines for the combination of a line source 2m at (x, y) = (+a, 0) and a line source m at (-a, 0).
Flow straighteners are arrays of narrow ducts placed in wind tunnels to remove swirl and other in-plane secondary velocities.
For flow past a cylinder of radius R as in Fig. the theoretical inviscid velocity distribution along the surface is U = 2Uosin(x/R), where Uo is the oncoming