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Chapter 24 Solutions
EBK NUMERICAL METHODS FOR ENGINEERS
- H.W\ Calculate the excavation volume from the details of cross sections shown in table below. The width of the road is 12m Stations Cross-sections 60+40 C1.62 C2.07 C1.75 C2.01 C2.46 6.93 4.5 4.5 8.19 60+90 C2.24 C2.24 C2.24 9.36 9.36 70+55 C2.13 C2.03 C1.92 9.2 0. 8.88arrow_forward5. An engineer is planning to use gabion retaining wall to protect a section of Kennon road from landslide. A gabion is a wire mesh container filled with rocks. The engineer must estimate the volume of the rock to be used. If the gabion wall will have a thickness of 5ft, estimate the volume of the rocks given the measured depth of the wall every 10 ft of its width based from the road level. width, ft 10 20 30 40 50 60 70 80 90 depth, ft 5 12 20 18 17 13 10 5 a.) estimate the area of the wall using multiple trapezoidal rule with n=9 b.) estimate the area of the wall using single application of Simpson's 3/8 rule c.) estimate the volume of the rocks to be used using the area in a.) and b.)arrow_forward10.4.1. If a 1:1,000 scale tidal basin model is used to study the operation of a prototype satisfying the Froude number law, what length of time in the model represents a period of one day in the prototype? umbor law) for (a) velocity. (b) time,arrow_forward
- A batch test on the sedimentation of slurry containing 200kg/m (C.) is carried out experimentally where the initial height of sediment zone is 900mm (h,). The following data are assumed as follows: Underflow concentration= 1200kg/m Feed flow rate-3m/min The relation between setting velocity (u.) and height of sediment zone (h.) can be represented by the following equation: u(mm/min)-0.0178 h- 3.22 Where the h have taken the values: 700,300,260,200 and 180 mm. Graphically, find the critical rate of sedimentation then the cross section area of tank.arrow_forwardO NWP Assessment Builder UI Appl X O NWP Assessment Player UI Appli X + -> A education.wiley.com/was/ui/v2/assessment-player/index.html?launchld=4599c668-aabf-4aa6-a299-d14a1c37f643#/question/2 E E Apps Q Hydrogeology Flas.. 3 That Time I Got Rei... MATLAB Online R2.. Chem Exam 2 Flash.. СОР2030 Мodule 3... A SSMagon - ME137L... S Easy to use Online... E Reading list >> E Chapter 4 Homework Question 3 of 14 > 0/1 Your answer is incorrect. Refrigerant 134a enters a well-insulated nozzle at 200 Ibf/in.?, 140°F, with a velocity of 120 ft/s and exits at 50 Ibf/in.? with a velocity of 1500 ft/s. For steady-state operation, and neglecting potential energy effects, determine the temperature, in °F, and the quality of the refrigerant at the exit. T2 = i 72.78 °F X2 = i 75.9019 eTextbook and Media Hint 7:31 PM O Type here to search 30°C Partly cloudy 22/09/2021 Darrow_forwardO NWP Assessment Builder UI Appl X O NWP Assessment Player UI Appli X + -> A education.wiley.com/was/ui/v2/assessment-player/index.html?launchld=4599c668-aabf-4aa6-a299-d14a1c37f643#/question/1 E E Apps Q Hydrogeology Flas... 3 That Time I Got Rei... MATLAB Online R2.. Chem Exam 2 Flash... COP2030 Module 3.. 6 SSMagon - ME137L... S Easy to use Online... E Reading list >> e Chapter 4 Homework Question 2 of 14 0.33 / 1 > As shown in the figure, air with a volumetric flow rate of 17,000 ft/min enters an air-handling unit at 80°F, 1 atm. The air-handling unit delivers air at 45°F, 1 atm to a duct system with three branches consisting of two 26-in.-diameter ducts and one 50-in. duct. The velocity in each 26-in. duct is 16 ft/s. Assume steady state operation and ideal gas behavior for the air. D4 = 50 in. Duct T2 = T3 = T, = 45°F D; = D; = 26 in. Vz = V3 system Air-handling unit 1- Pi = P2 = P3 = P4 = 1 atm T = 80°F (AV), Determine the mass flow rate of air entering the air-handling unit, in…arrow_forward
- O NWP Assessment Builder UI Appl X O NWP Assessment Player UI Appli X + -> A education.wiley.com/was/ui/v2/assessment-player/index.html?launchld=4599c668-aabf-4aa6-a299-d14a1c37f643#/question/13 E E Apps Q Hydrogeology Flas... 3 That Time I Got Rei... MATLAB Online R2... Chem Exam 2 Flash... COP2030 Module 3.. 6 SSMagon - ME137L... S Easy to use Online... E Reading list >> E Chapter 4 Homework Question 14 of 14 -/1 View Policies Current Attempt in Progress As shown in the figure, a 300-ft tank contains 25 lb of H2O initially at 30 lbf/in?. The tank is connected to a large steam line carrying steam at 200 Ibf/in?, 450°F. Steam flows into the tank through a valve until the tank pressure reaches p2 = 120 lbf/in? and the temperature is 400°F, at which time the valve is closed. Steam at 200 lbf/in.². 450°F Tank Valve (1) Initially: 30 lbfin.?, mı = 25 lb |(2) Finally: Ibfin.?, 400°F. P2 Determine the amount of mass that enters the tank, in Ib, and the heat transfer to the tank from its…arrow_forwardThe left and right water edges of a river are 2.75m and 62.45m, respectively, from an initial reference point. Verticals are located at distances 11.25, 19.25 26.75, 34.45, 40.95, 46.95, and 54.45 m, respectively from the reference point. The corresponding depths of verticals are 5.00, 9.60, 9.80, 10.00, 10.40, 10.00, and 4.80m. Mean velocities in the verticals are 0.16, 0.60, 0.75, 0.92, 0.97, 0.98, and 0.65 m/s respectively. A. Determine the Total Discharge of the river. B. Determine the average velocity of the river flow.arrow_forward1. The cross section foresights at one station along a proposed highway are shown below. The HI for these foresights is 970.61 ft. Plot the cross section elevation to scale. 5.2 4.8 6.6 5.9 7.0 8.1 24 + 00 50 22 0 12 30 50 2. The roadway subgrade elevation is 973.30 ft., the planned roadbed is 30-feet wide, with side slopes of 2%:1. Plot the roadbed design elevations on the plot from problem 1, and find the slope intercepts and the cross section area. 3. The cross section foresights for the next station are show below. They were observed from the same instrument setup as in problem 1. The subgrade elevation is 972.30 ft. Use the same roadbed width and side slopes from problem 2. Plot the cross section and the roadbed elevations to scale, find the slope intercepts, and find the cross section area. 4.8 25 + 00 3.2 5.3 50 0 50 4. What is the volume of soil to be removed or added between stations 24 and 25? Hint: To calculate volume of soil between stations 24+00 and 25+00 Use the…arrow_forward
- A certain small river has an average width of 60 feet and a depth of 4 feet.This river carries water at 700 cubic feet per second. A model should be designed based on the similarity of the Froude number to the purpose that the discharge scale is 1/250. At what depth and flow would the model operate?arrow_forwardshot (50)png + Add to ASSIGNMENT 1 (page 7 of 11) A eduhub.buan.ac.bw/mod/quiz/attempt.php?attempt-24014&cmid%3D133698&page%3D6 Apps M Gmail YouTube Maps The truck shown below welghs 16 tonnes when empty. The truck has a capacity of 36 m volume for the crude oll. The specific gravity of the oil is 0.85. Calculate the total weight of the crude oil and this truck in Kg Crude Oil Answer Previous page Screenshot (5.. Screenshot (4..arrow_forwardSuppose we have planned to design a hydraulic system.In this aspect, the pump selection is to be finalized for a flow rate of 3299.5 Liters per minute, It has been validated that the fluid velocity in a discharge pipeline should be between 3.6 m/s and 6.92 m/s. Calculate the minimum diameter and maximum diameter of pipe that should be used in the pipelines Area of the maximum sized pipe diameter (in m2) Area of the minimum sized pipe diameter (in m2) The minimum sized pipe diameter (in cm) and The maximum sized pipe diameter (in cm)arrow_forward
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