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- Discharge Q, (OCF)A 450mm pipe is connected by a reducer to a 200mm pipe. Points 1 and 2 are at the same elevation. The pressure at 1 is 150 kPa. The discharge 1 is 25 L/sec. Flowing from 1 to 2 and the energy lost from 1 to 2 is equivalent to 15 kPa.a) compute the pressure at 2 if the liquid is water.b) compute the pressure at 2 if the liquid is oil (sg = 0.80)c) compute the pressure at 2 if the liquid is molasses (sg = 1.5)The pressure difference between points 1 and 2 in series pipe system is 15 psi. All the pipes are galvanized iron. Considering the minor losses, determine the flowrate in the system under 70°F.
- A galvanized-iron pipe (ε = 0.0005 ft) is to carry air at standard temperature and pressure at a rate of 2.0 ft3/s. The pressure drop is to be no more than 0.50 psi per 100 ft. Design the pipe diameter.Pipe 1,2,3 and 4 have lengths of 3000ft, 2000ft, 2400 and 1500, all being new cast iron. Pipes 2 and 3 are laid parallel, both drawing from 1 and discharging to 4. If 1,2 3 and 4 have diameters of 36 in, 18in ,24in and 30 in respectively. Determine the total hf if the discharge through the system is 60cfsCompute gage pressure at the center of pipe for solution use A. British unit B. Standard industrial unit
- Pipes 1,2, and 3 having diameter of 150mm. 200mm and 250mm and leading from reservoir A, B, and C respectively join at a common point. All pipes are new cast iron (C=120) and each is 500m. If the water level in reservoir A is 1.80m than that in B and 4.8m higher than that in C. a) Calculate the discharge in pipe 1.b) The head loss in pipe 2c) The discharge in pipe 3 ** Need asap pls. Thank you.Determine the available NPSH for the system shown in Fig. 13.38 (b). The fluid is water at 80°C and the atmospheric pressure is 101.8 kPa. The water level in the tank is 2.0 m below the pump inlet. The vertical leg of the suction line is a DN 80 Schedule 40 steel pipe, whereas the horizontal leg is a DN 50 Schedule 40 pipe, 1.5 m long. The elbow is of the long-radius type. Neglect the loss in the reducer. The foot valve and strainer are of the hingeddisk type. The flow rate is 300 L/min.Trace the characteristic curve of the pipe shown in the Figure below. Data are: total length of pipe L= 80 m; equivalent length Leq= 40 . For simplicity, assume all piping is 40S in steel. The pumped fluid is water at 20 °C.
- Given:Internal pressure of the pipe = 2.943 MPa Thickness of steel pipe = 122.623 mmAssuming the conduit in the figure is a 42” rough concrete pipe flowing full: a) Calculate the head loss in the flow by the time it reaches the outlet. b) Calculate the velocity and flow in the pipe considering friction. c) Calculate the velocity at which the flow in this pipe will definitely be laminar. hf=flv2/2gdA 30cm pipe is connected by a reducer to a 10cm pipe. Points 1 and 2 are along the same elevation. The pressure at 1 is 200kpa. The flow is 30 L/s and energy lost between 1 and 2 is equivalent to 20kpa. Compute the pressure at 2 if the liquid flowing is water.