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If losses are neglected in Fig for what water level h will the flow begin to form vapor cavities at the throat of the nozzle? The response must be typed
Gasoline at 20°C flows at 105 m3/h in a 10-cm-diameter pipe. We wish to meter the flow with a thin-plate orifice and a differential pressure transducer
Gasoline at 20°C is flowing at V1 =12 m/s in a 5-cm-diameter pipe when it encounters a 1-m length of uniform radial wall suction
Gate AB has length L, width b into the paper, is hinged at B, and has negligible weight. The liquid level h remains at the top of the gate for any angle
Gate AB in Fig is 1.2 m long and 0.8 m into the paper. Neglecting atmospheric-pressure effects, compute the force F on the gate and its center of pressure
Gate AB in Fig is 5 ft wide into the paper, hinged at A, and restrained by a stop at B. Compute
Gate AB in Fig is a homogeneous mass of 180 kg, 1.2 m wide into the paper, resting on smooth bottom B. All fluids are at 20°C.
Gate AB in Fig is 15 ft long and 8 ft wide into the paper, hinged at B with a stop at A. The gate is 1-in-thick steel, SG = 7.85. Compute the 20°C water
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