Principles Of Highway Engineering And Traffic Analysis.
16th Edition
ISBN: 9781119385585
Author: FRED. MANNERING
Publisher: WILEY
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Chapter 2, Problem 7P
To determine
The torque produced by the engine and the engine speed.
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The head-vs-capacity curves for two centrifugal pumps A and B are shown below: Which of the following is a correct statement at a flow rate of 600 ft3/min?
Assuming a pump efficiency of 80%.
Head [ft]
50
45
40
35-
30
25
20
15
10
5.
0
0
Pump B
Pump A
100 200 300 400 500 600 700 800 900 1000
Solve for reactions and shear and moment diagram (base the answer on the 2nd figure).
Hand Calculation
2. Note: Assume bottom left support as roller, bottom right support as pinned
4 kN/m
3 kN/m
8m
4m
2m
Your client wants to build a WTP that has a withdraw of 440 MGD. What is the exceedance probability in percentage?
Average Monthly Minimum Flow of Record
Month
(MGD)
Jan-73
322
Feb-73
280
Mar-73
335
Apr-73
374
May-73
440
Mar-74
313
Apr-74
375
May-74
560
Jun-74
380
Jul-74
445
Aug-74
323
Sep-74
411
Oct-74
541
Nov-74
510
Jan-75
261
Feb-75
271
May-75
312
Jun-75
314
351
Jul-75
Aug-75
332
Chapter 2 Solutions
Principles Of Highway Engineering And Traffic Analysis.
Ch. 2 - Prob. 1PCh. 2 - Prob. 2PCh. 2 - Prob. 3PCh. 2 - Prob. 4PCh. 2 - Prob. 5PCh. 2 - Prob. 6PCh. 2 - Prob. 7PCh. 2 - Prob. 8PCh. 2 - Prob. 9PCh. 2 - Prob. 10P
Ch. 2 - Prob. 11PCh. 2 - Prob. 12PCh. 2 - Prob. 13PCh. 2 - Prob. 14PCh. 2 - Prob. 15PCh. 2 - Prob. 16PCh. 2 - Prob. 17PCh. 2 - Prob. 18PCh. 2 - Prob. 19PCh. 2 - Prob. 20PCh. 2 - Prob. 21PCh. 2 - Prob. 22PCh. 2 - Prob. 23PCh. 2 - Prob. 24PCh. 2 - Prob. 25PCh. 2 - Prob. 26PCh. 2 - Prob. 27PCh. 2 - Prob. 28PCh. 2 - Prob. 29PCh. 2 - Prob. 30PCh. 2 - Prob. 31PCh. 2 - Prob. 32PCh. 2 - Prob. 33PCh. 2 - Prob. 34PCh. 2 - Prob. 35PCh. 2 - Prob. 36PCh. 2 - Prob. 37PCh. 2 - Prob. 38PCh. 2 - Prob. 39PCh. 2 - Prob. 40P
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- A3-inch diameter water pipe carries a flow rate of 6 gallons per minute. The pipe is 100 feet long and has a gate valve, two 45-degree elbows, and a sudden c factor for the pipe is 0.02 and the minor loss coefficients for the gate valve, elbows, and contraction are 12, 1.5, and 0.5, respectively. Determine the head loss due to friction and minor losses in the pipe, assuming the water temperature is 68°F and the density of water is 62.4 barrow_forwardBased on ONLY on the diagram below, how much energy is the pump adding to the system. The pressure gauge Reads 60 psi 20 feet 30 feet 5 feet 1 foot 2 feetarrow_forwardA confined aquifer has a differential drawdown (Ah) of 5 feet. The flow rate (Q) is measured to be 10 gpm. Calculate the transmissivity (T) of the aquifer in gpd/ft.arrow_forward
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- Question 4 B A rectangular sharp crested weir is to be constructed in a testing station with a small stream in which the discharge varies from 50 liters/s and 1250 liters/s. Find the suitable length of the weir, if the minimum head to be measured is 50 mm and the maximum head on it does not exceed one-third of its length.arrow_forwardWater FR=? L=0.8 m Hinge H=2.0 m B Single Rigid Gate L₁=0.9 m Question 4 A The discharge over a trapezoidal weir is 1.315 m³/s. The crest length is 2 m and the sides are inclined at 75° 57'49" with the horizontal. Find the head on the weir in meters.arrow_forwardAs a strategy of the Salahadin Government to extend the residency community in Tikrit City, there is a plan to provide water for a new residential area on the west side of Tikrit City, as shown in the map in Figure 1. The new residential area is exposed to have 25000 residences, three schools to serve 1000 students, and a Plaza Markt that can serve 2000 persons. The water will be supplied from a purification station installed on the Tigris River at an elevation equal to 130 m. The distance between the water purification station and the center of the new residential area is about 9.5 km, and the elevation of the city center is about 150 m. The required pressure in the new residential area center is 30 m. The available pipes in the market with their price are shown in Table 1. Also, the price for each 10-meter of pump head is 1500$. Your task as environmental engineers is to design a sustainable and economically viable water system, including the main pipeline and pump for the new…arrow_forward
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