Bernoulli's theorem demonstration: D ° d Water is flowing through the above venturimeter (D=22 mm and d=15 mm). What is the pressure difference (P1- P2) (in kPa) for a volumetric flow rate of 0.60 L/s? g = 9.8 m/s² and y=9.8 kN/m³

Determine (a) the magnitude and (b) direction of the anchoring force needed to hold the horizontal elbow and nozzle combination shown in the figure below in place. Atmospheric pressure is 97.1 kPa. The gage pressure at section (1) is 103 kPa. At section (2), the water exits to the atmosphere. Assume p₁ = 103 kPa, V₁ = 4 m/s. (a) Kx = i 2260.24 (b) to the left N V₂ 160 mm Section (2) 300 mm V₁ Water Section (1) P1 V₁

Q- In a pond at a depth of 5m air bubble is formed of diameter 0.8mm. Calculate gauge pressure inside air bubble. Assume surface tension = 0.075N/m.

Consider the pressurized horizontal pipe network consisting of three pipes arranged in series. The characteristics of each pipe are summarized in the table. The flow of water at Node A is Q = 5 cfs and the pressure head at Node A is yA = 200 feet. The temperature of the water is 60° F. a) Determine the friction head loss hfric in feet in Pipe 1. b) Determine the friction head loss hfric in feet in Pipe 2. c) Determine the friction head loss hfric in feet in Pipe 3. d) Determine the pressure head ys in feet at Node B. e) Determine the pressure head yc in feet at Node C. f) Determine the pressure head yo in feet at Node D. Flow Friction Pressure Diameter Length Friction (feet) (cfs) head Нead Pipe (inches) factor f Kpipe loss (feet) Node (feet) 1 16 500 0.011 5 A 200 2 12 1000 0.013 B 3 10 750 0.015 D Node Node Node Node A в D 5 cfs 5 cfs Pipe 1 Pipe 2 Pipe 3