WATER RESOURCES ENGINEERING
3rd Edition
ISBN: 9781119490579
Author: Mays
Publisher: WILEY
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Question
Chapter 4, Problem 4.5.1P
To determine
The discharge and the velocity in each pipe.
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1) Assuming that water at 20 C is flowing through the system at a constant flow rate of 2
ft³/sec and neglecting viscous effects, calculate the EL and HGL at points A, B, and C. Sketch
the EL and HGL alongside the diagram.
A
ZA = 55 ft
D₁ = 3 in
B
D₂ = 6 in
C
2) What is the elevation at point C in the above figure?
3) Using the figure from problem 1, sketch the EL and HGL accounting for both major and
minor losses. Note that the flow rate will change due to the introduction of friction (we will
explore this further in the coming weeks). You do not need to calculate the values of EL and
HGL.
8) Carbon dioxide at 20 C is transported through a pipe of 0.1 m in diameter. What is the
maximum flow rate possible to achieve laminar flow?
7) In the below diagram, the pipe diameter is 10 cm and the flow rate in the pipe is 0.3
m³/sec. At this flow rate, the pump will generate 90 m of head. The pressure at point A
is 500 Pa and the water in the pipe is at 60 C.
a) Taking the datum to be at the centerline of the pump, calculate the EL and HGL at
points A and B, neglecting friction.
b) What is the pressure at point B?
A
P
B
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- A cantilever beam ABC is fixed at legment AB is 2m long and BC is 3m long. Segmen BC is loaded with a triangular load ranging from 0 at Calculate the maximum slope of the beam. Compute the maximum deflection.arrow_forwardSTRUCTURAL ANALYSISarrow_forwardA 6m simply supported beam is loaded with a 12 kN-m concentrated moment placed 2m from the left support and a concentrated load of 24 kN located 2m from the right support. The flexural rigidity of the beam is EI. Calculate the slope of the tangent at the left support. Determine the rotation at the right support. Find the deflection at the point of application of concentrated moment. What is the maximum deflection of the beam?arrow_forward
- GROUP 1 Design a simply supported prestressed beam to support a parking space with a harped tendon using the ACI 318 Building Code allowable stresses. The span length will be decided by the pair. The pair has to choose a suitable sustained service live load (from 300-1500plf) and superimposed dead load (50-150plf) and has no concrete topping. Assume the beam is made of normal-weight concrete with fc'= 5,000 psi and that the concrete strength f'ci at transfer is 70 percent of the cylinder strength. . Also, the pair must assume a justifiable time-dependent loss. • Assume that that fu = 260,000 psi for stress-relieved tendons, ft = 12sqrt(fc'). THE PAIR MUST BE ABLE TO DEFEND THE LENGTH OF BEAM, AND THE LOADINGS APPLIED ON THE BEAM. DEFEND THE USAGE OF YOUR SELECTED SECTION TYPEarrow_forwardA trapezoidal drainage ditch along a highway system has a side slope of 2:1 anda bottom width of 8.0 ft. The ditch is to be used to discharge a flow of 500 ft3/sec.If the ditch slope (longitudinal) is 1.0% and the Manning coefficient is 0.02,determine the minimum depth required for the ditch. Is the flow supercritical orsubcritical? Justify your answer.arrow_forwardDetermine the global stiffness matrix of the beam shown in Fig. 3. Assume supports at 1 and 3 are rollers and the support at 2 is a pinned support. Indicate the degrees of freedom in all the stiffness matrices. EI is constant, w=60kN/m, L1=1.25m and L2=3.45marrow_forward
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