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6–15. Members AB and BC can each support a maximum compressive force of 800 lb, and members AD, DC, and BD can support a maximum tensile force of 2000 lb. If a = 6 ft, determine the greatest load P the truss can support
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Report CancelExample: Assume that Mina PLC, a financial analyst, is doing a consulting work for evaluating the two projects given below. The projects costs Br.500 million each and the required rate of return for each of the projects is 12%, the projects’ expected net cash flows are as follows: 1. Calculate each of the project’s payback, net present value(NPV) and Internal rate of return (IRR) 2. Which project or projects should be accepted if they are independent
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Report Cancel1. For homogenous half space subjected to two circular loads shown below, determine the vertical stress, strain and deflection at point A, and B which are located 25.4cm and 12.7cm respectively below the center of one circle.
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Report Cancel2.4 A 10,000-lb wheel load exerting contact pressure of 80 psi is applied on an elastic two-layer system, as shown in Figure P2.4. Layer 1 has elastic modulus 200,000 psi and thickness 8 in. Layer 2 has elastic modulus 10,000 psi. Both layers are incompressible, with Poisson ratio 0.5.Assuming that the loaded area is a single circle, determine the maximum surface deflec- tion, interface deflection, and interface stress. [Answer:0.025 in., 0.024 in, 11 psi] 10,000 lb 80 psi 0 E1-200,000 psi V10.5 8 in. E2-10,000 psi 2-0.5 FIGURE P2.4
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Report CancelFigure 9.30 shows the load test results of a 20-m-long concrete pile (406 mm × 406 mm) embedded in sand. Using Davisson’s method, determine the ultimate load Q. Given: E_{p} = 30 * 10 ^ 6 * kN / (m ^ 2)
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Report CancelFigure 9.30 shows the load test results of a 20-m-long concrete pile (406 mm × 406 mm) embedded in sand. Using Davisson’s method, determine the ultimate load Q. Given: E_{p} = 30 * 10 ^ 6 * kN / (m ^ 2)
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Report CancelSetting Up Cloud Infrastructure on AWS/Azure/GCP • Objective: Familiarize students with cloud platform interfaces and create basic infrastructure. • Tasks: 1. Create an account on a cloud platform (AWS, Azure, GCP) or use a provided student account. 2. Set up a Virtual Private Cloud (VPC) with at least one public and one private subnet. 3. Launch a Virtual Machine (VM) (e.g., EC2 in AWS, VM in Azure) in the public subnet and access it via SSH or RDP. 4. Assign a static IP address to the VM. 5. Submit a report with details of the setup (screenshots of each step and the final architecture diagram).
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Report CancelThe stepped rod shown in sketch k is subjected to a tensile force that varies between 15,000 and 30,000 N. The rod has a machined surface finish everywhere except the shoulder area, where a grinding operation has been performed to improve the fatigue resistance of the rod. Using a 99% probability of survival, determine the safety factor for infinite life if the rod is made of AISI 1080 steel, quenched and tempered at 800C. Use the Goodman line. Does the part fail at the fillet? Explain.
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Report CancelA sample of sewage is mixed with water no seeding done in the ratio of 1:20 i.e., 1 ml of sewage diluted to 20 ml by adding water for BOD test. The initial DO is 8.5 mg/L and final DO, after 5 days, is 3.1 mg/L. Calculate BOD, of the sewage.
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Report CancelThe per capita water demand of a small town having population census records indicated in Table 1, is given by 9 = 150 – 99.6 9.0 where, q = per capita demand [1/c/d] t is time in years starting from 1985. Table 1 Population census records Year 1985 1995 2005 Population 5000 7500 9480 Moreover, from historical water usage data the peaking factors for maximum day and peak hour water demands are estimated to be 175% and 250% of the average day demand, respectively. Determine a The design capacity of a treatment plant if it is to serve the town until the end of 2020. b. The design capacity of the distribution main Use the decreasing rate of increase method for population forecasting and assume a fire demand of 3 m/min.
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