rough a spillway and goes th = 15m³/s per meter width of the channel and water depth Y₁ = 0. =downstream depth of the channel (Y2) after hydraulic jump occu
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- Example 5: Water flows with a velocity of 3m/s, and a depth of 3 m in a rectangular channel of 2 m. Then there is an upward step of 30 cm as shown below. Compute the depth of flow over the step. Vj=3 m/s y2=? I _Az=0.30 m Yı=3 m Datum (1) (2) 831. In a system with 4 reservoirs and 1 pipe junctions, how many hydraulic headloss equations are formulate? A. 3B. 2C. 1D. 4E. 5 2. In turbulent flow, which is correct?BJ: higher Re value has lower friction factorJB: lower Re value has lower friction factorGroup of answer choices A. BJ is true and JB is false B. BJ is true and JB is true C. BJ is false and JB is false D. BJ is false and JB is true 3.which of the following is always the same for horizontal closed conduit? A. Total headB. Velocity headC. Elevation headD. Pressure head5.Hydraulic jump occurs in a 4 m wide rectangular channel. Discharge in channel 7.5 m^3 /s, hydraulic jump upstream depth 0.2 m. Determine :the rate of energy loss due to hydraulic jump.
- Question 2 Refer to Figure 2 below. If the water surface elevation in reservoir B is 110 m, what must be the water surface elevation in reservoir A if a flow of 0.06 m³/s is to occur in the cast-iron pipe (ks = 0.26 mm)? The kinematic viscosity of water at 10°C = 1.3x10-6 m²/s. Ignore all minor headlosses. Elevation = ? Water T= 10°C Elevation = 110 m B L= 150 m D = 15 cm Cast-iron pipe L=100 m, D = 20 cm, cast-iron pipe Figure 2Water flows through a 4m wide rectangular channel at a flow depth of 0.5m. Then, a hydraulic jump occurred. If the upstream velocity is 10m/s, solve the Froude Number after the jump. O 0.33 O 0.29 O 0.27 O 0.31Q2] Water flows in a rectangular channel at a depth of 1.5 m. A 30 cm in height smooth hump produses a drop of 15 cm in the water surface elevation. Neglect losses and calculate the discharge per unit width of the channel. Energy line E₁ Y₁ 0.15 m V V₂ 1₂ Hump AZ=0.30 m 2
- The hydraulic gradient is a rock that is porous and permeable enough to transmit water easily. b the difference in hydraulic head between two points, divided by the distance between them. c rock that is low in permeability so that water flows very slowly through it. d a relationship of groundwater flow rate between two point to the difference in hydraulic head between them. 2. An artesian well is one in which a pressurized groundwater rises from a deep, unconfined aquifer. b water rises above the top of the confined aquifer without any pumping. c the well is horizontal and the water table is perched. d Paint colors are mixed. e the water is warm, fairly saline, and recharged by an affluent stream. 3. A cone of depression is a a solid or hollow object which tapers from a circular or roughly circular…Part A Water flows at 700 ft° /s over the 12-ft-wide spillway of the dam. The depth of the water at the bottom apron is 2 ft. (Figure 1) Determine the depth y2 of the water after the hydraulic jump. Figure < 1 of 1 Y2 = y2 2 ftAn engineered channel with cross section shown in Figure XX has a discharge of 150 cubic meters per second. The slope of the channel bottom is So = 0.002 and Manning's n = 0.03. Determine: 2 m 4m H m+ ²4 Figure 2. Engineered channel cross section 15 m • The normal depth in the channel • The Froude number in the channel at the normal depth. 4 m H 1.5 I 6 m
- Q2) For the concrete dam in Fig. 2, calculate the 1) seepage quantity in cm³/sec, and 2) pore water pressure (u) in the points 1 to 7 at the bottom of the dam. (yw = 10 kN/m³). the Nd. 1.5 m 10 m 3 1 .} 4 (k = 10-³ cm/sec) } 1 1 1 24 m " R I 1 1 Figure 2.4. A steel beam, with square cross-section of side 10 mm and a simply supported length of 8.0 m from points A to B, has a rigid vertical rod attached at its midspan. This rod connects the beam to a hydraulic jack system as shown in Figure 3. Attached at the lower end of the rigid vertical rod is a rigid plate of diameter 30 cm. This plate serves as a stopper on one end of the hydraulic system containing a liquid with a specific gravity of 0.45. At the opposite end of the hydraulic system, which is 0.10 m higher, another rigid plate, having a diameter of 2.0 m, rests on top of the liquid. At its center, a 50 N concentrated force is applied. Considering the weight of the beam as uniformly distributed all throughout (use density of steel as Pateet = 7850 kg/m³), while neglecting the weights of the rigid plates and the rigid rod, (a) determine the reactions at supports A and B. (b) Draw the shear and bending moment diagram of the beam. Obviously, you don't need to enclose the diagrams in a…Water flows in a trapezoidal channel of 2 m width and side slope at 1:1. At upstream depth of 2 m, the Froude's Number is 3. If the water undergoes a hydraulic jump: Determine the Froude's number downstream of the jump. A 0.339 B 0.384 0.435 D 0.486