6.19 PLUS A jet of water (60°F) is discharging at a constant rate of 2.0 cfs from the upper tank. If the jet diameter at section 1 is 4 in., what forces will be measured by scales A and B? Assume the empty tank weighs 300 lbf, the cross-sectional area of the tank is 4 ft', h = 1 ft, and H = 9 ft. %3D H h B A PROBLEM 6.19

Ex. A pitot static probe is inserted into duct of air heating system parall to flow and the differential height of the water Colum is measured. The flow velocity and the pressure rise at the of the pitot -statics probe are to be determined For water p = 1000 kg/m3. for air p = 1.1 kg/m3 Air h-2.4 cm

The laminar flow takes place between closely spaced parallel plates as shown in figure below. u > V y Ľ The velocity profile is given by u = v. The gap height h is 5 mm and the space is filled with oil (specific gravity = 0.86, viscosity μ = 2 x 10-4 N-s/m²). The bottom plate is stationary and the top plate moves with a steady velocity of v= 5cm/s. The area of the plate is 0.25 m². The rate of rotation of a fluid particles is given by