Water flows into junction J from reservoirs A and Bthrough connecting pipes, the head loss through these being, respectively 10.02 and 4.03. The water level elevations at the reservoirs at A and B are 25.9 m and 18 m, respectively. The inflow at J is discharged out at Cinto the atmosphere. The head loss through pipe JC is 1.Q. The gauge, pressure at Jis 9 m. What is the residual gauge pressure of the outflow at C? A, 25.9 m B, 18 m 2 4.0² 10.Q J, 9 m 2 1.0²

2. Determine the absolute pressure of the water in the pipe at B if the tank is filled with crude oil (SG = 0.881) to the depth of 1.5 m. Assumepatm = 101 kPa.

A reservoir is fitted with a pump discharging into the open air at point B. The pressure at section A is considered to be under a vacuum of 10 inHg ad the discharge rate is given at 3 ft/sec. Determine the total head for this system with the datum elevation at the base of the reservoir. 10-in-diameter 8-in-diameter suction pipe discharge pipe 40 ft Pump 15 ft 25 ft O 81.15 ft O 92.45 ft O 71.33 ft O 120.71 ft

Two Water flows from reservoir A to reservoir B through two pipes as shown below. Determine 1) thedischarge in the pipe, 2) the pressure at point P. Assume α = 1.0 at all locations and neglect any minor headloss

Answer point 2

A pump draws water from reservoir A and lifts it to reservoir B as showm, The head los from reservoir A to pipe 1 is 3 times its velocity head and the head loss for pipe 2 to reservoir B is 20 times the velocity head. When the discharge is 20 L/s a) Compute the horsepower output of the pump in kW b) Compute the pressure head at pipe 1 c) Compute the pressure head at pipe 2 EL Om pipe 1 150 mm pipe 2 100 mm -EL-20 m EL 240 m

(a) Using the Pipe flow graph (Appendix 2), obtain the discharge through the pipeline joining the two reservoirs as shown below. Pipe diameter (D) = 450 mm Pipe length (from A to B) L = 4600 m In addition, also calculate the pressure in the pipeline at Point C, which is 2600 m from reservoir A. A 7.25m C B ALI 3.55m

Situation 7: From reservoir A whose water surface elevation is 225 m. Water is pumped through a 350 mm pipe across a valley at a second reservoir B at a elevation of 240 m. During pump, the pressure is 570 kPa at a point C and at elevation of 195 m. Assume that the headloss in the pipe from reservoir A to point C is 30 times its velocity head and from point C to reservoir B is 50 times its velocity head 23. Compute the discharge in the pipeline in L/s 24. Compute the head added by the pump 25. Compute the horsepower exerted by the pump IVA E1225 m El 240 m El 195 m

Water is being pumped at a steady rate of 500 gpm from a 12in diameter well. Thewell draws water from an unconfined aquifer. The height of water in the aquifer in the equilibrium statebefore pumping is 100ft, and the drawdown at the well at steady state pumping is 40ft. The hydraulicconductivity of the aquifer determined from a pump test is 0.02ft/min. Determine the radius of influence.

The gage pressure (psig) at point a is nearest (a) 13.7 (b) 14.7 (c) 101.3 (d) 0 (e) 1 Oil a 3 in SG = 0.69 SThe gage pressure (psig) at point c is nearest (a) 57.2 (b) 1.4 (c) 6.7 (d) 0.4 8 in Water The absolute pressure (psia) the natural gas pipeline is nearest h, = 22 in (a) 8.4 (b) 65 (c) 9 (e) 23 16 in SThe gage pressure osig) in the natural gas pipeline is Natural gas Dif the pipeline pressure was increased by 50%, what cost- effective manometer modification(s) might be needed? (b) More mercury, less oil (c) Add 2 more manometer loops (d) Replace the manometer with a high-pressure gage (e) Rotate the gas line to a vertical alignment Mercury SG = 13.6