Q2/ Three pipes are connected in parallel as shown in Fig. No. (2). Pressure head at junction A is 70 (m column of water) and at junction B is 46 (m column of water). For all pipes f = 0.02 and hy is neglected. All pipes are located at the same horizontal level. 1- Find the flow rate of water through each pipe (Q₁, Q2 and Q3). 2- Find flow rate of water enters junction A and flow rate of water enters junction B. QA A pipe No.(1) pipe No.(2) pipe No.(3) Q1 Q2 Q3 B QB Fig. 3 Pipe L (m) NO. 1 3000 2 1300 200 3 2600 250 d (mm) 300

Supposed to use Bernoulli’s theorem for incompressible fluid.

1. Water flows through a horizontal, 0.5-m-diameter pipe at a rate of 0.9 m³/s (Figure below). It is ejected from the pipe through a 0.25-m-diameter nozzle. Determine the force (F) that holds the nozzle in place if the water pressure in the pipe just upstream of the nozzle is 283 kN/m² (kPa). F Fpl V₁. in F H Vout 2. Given H= 1.8 m & D = 0.2 m through the hole in the open top container. Determine the head losses through the tank outlet if the exit discharge were 0.163 m³/sec.

A steel pipe is used to drain water from a reservoir that is 50 m above the datum, and water is discharged into the air at the elevation of the datum. The pipe is 1500 m long and 450 mm diameter and 50 mm wall thickness. A valve is installed at the downstream end of the pipe allows a flow rate of 0.71 m³/s. The valve was completely closed in 1.4 sec. Calculate maximum hammer pressure at the valve. The pipe is longitudinally anchored. Eb = 2.1×10° N/m², Ec=1.9×10¹¹ N/m².