analyze and discuss the results of the 4 graphs representing the undamped forced vibration in 4 sets.
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analyze and discuss the results of the 4 graphs representing the undamped forced vibration in 4 sets.
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- 1- Select the optimum choice for: high speed air craft skins material. Table 1: The properties of metallic materials E, GPa Max. use lemp, 'C | Density, Mg/cm' ay, MPa | Relative cost per unit sheet area Material 2.8 300 2 Aluminum alloy 200 69 200 7,8 350 350 700 Carbon steel Stainless steel 193 7.8 650 6 8.9 600 6 Nickel alloy Titanium alloy 207 1000 116 600 4.5 900 10 Table 2: Weighting factor Specific yield strength: Max, use temperature: Youngs modulus: 4 2+ P 4. 5. 1/4 R %24 2. Bb Basic BIM/REVIT Drafting (CAD) X Bb Unit 03 - Reading Measuring loo X uaptc.edu/bbcswebdav/pid-4073050-dt-content-rid-22008907_1/courses/DFT.1005.A10.2021.S0/pdf_activities_03-03.pdf pdf 1 / 2 - Activity 3-3 A | + %00L E区 Reading a Scale Name Tanner Francis Identify the portion of a foot (12") as indicated by the reading from the zero mark (0) on the scales below. Place your answers in the spaces provided. 1. 78 88 92 4. 2. 6. 3. 9 6 1 3. 8. O. 14 13 ju 3 here to search 直 0 85°F F2 F4 F5 F7 %23 F8 prt sc 2 home F10 pua F12 F11 insert 3. 4. 0. 6. 6. K H.5 Ċ Safari File Edit View History Bookmarks Window Help ... 3.... ock CENGAGE MINDTAP 1 Chapter 5: Review Questions Assignment: Chapter 5: Review Questions (Practice) 18. control 19. Questions Gravity Review Question 31 17. 20. 21. 22 23. 24. esc 25. 28. 29. V 30. 31. 32. 33. ● O Pra.... 26 27. Not Answered ● ● ● ● ● O O ● O ● ! 1 Icon Key 300⁰ Q 2. A 1 N If a planet were to slowly migrate inward toward the Sun while remaining in a stable orbit, would its orbital speed increase, decrease, or stay the same? Would its angular momentum change? O a. As the planet migrates toward the Sun, its orbital speed would increase and its angular momentum would decrease. b. As the planet migrates toward the Sun, its orbital speed would stay the same and its angular momentum would decrease. OC. As the planet migrates toward the Sun, its orbital speed would increase and its angular momentum would stay the same. Od. As the planet migrates toward the Sun, its orbital speed and angular momentum would stay…
- A resurfaced fl oor costs $5000 and will last 2 years. If money is worth 10 percent aftertaxes, how long must a new fl oor costing $19,000 last to be economically justifi ed? Thetax rate is 52 percent. For tax purposes a new fl oor can be written off in 1 year. Use sumof-the-years-digits depreciation. Use the capitalized cost method for your analysis.EXAMPLE 10 How many years are required for P 1,000 to increase to P 2,000 if invested at 9% per year compounded annually, semi-annually, quarterly, monthly, and daily. Solution: GIVEN: P = Php 1,000. F = Php 2,000. n = ? in years if i = 9%ca , i = 9%csa , i = 9%cq, i = 9%cm , i = 9% cd %3D %3D6. A die forge press operates an average of 1000 hr/yr. Under a minimal repair concept, machine failures generated a nonhomogenous Poisson process having the following intensity function with t measured in operating hours: p (t) = 0.0000391t 0.7. When the machine has failed. the repair time is lognormal with tmed -7.0 hours and a shape parameter of 0.8. a) Given the NHPP (Non-Homogeneous Poisson Process) time dependent parameter of this problem, p(t), does the system show reliability growth (decreasing rate of occurrence of failure) or aging (increasing rate of occurrence of failure)? b) Write the expression for and calculate the number of expected failures of the press during a mission time of 5 years, 5,000 hr, m(5,000). c) Write the expression for and calculate the MTTR, meantime to repair. Given s = 0.8, comment on the overall shape or skewness, low skew, high skew, - symmetric, of the Lognormal model. d) Write the expression for and calculate the MTBF, mean time between failures,…
- A quartz mixture is screened through a standard 14 mesh screen. The mass of feed, oversize and undersize are given below in the table. MeshDiameter Mass (kg) No. (mm) FeedoversizeUndersize 3.3 5 8 2.4 24 10 1.7 38 49 19 14 1.2 25 15 36 20 0.8 15 25 28 0.6 3 1 35 0.4 3 6. 65 0.2 Pan 3 Calculate screen effectiveness.A company uses exponential smoothing with trend toforecast monthly sales of its product, which show a trend pattern.At the end of week 5, the company wants to forecast sales for week6. Th e trend through week 4 has been 20 additional cases sold perweek. Average sales have been 85 cases per week. The demand forweek 5 was 90 cases. Th e company uses α = 0.20 and β = 0.10.Make a forecast including trend for week 6Demand for a certain item has been as shown below: The forecast for April was 100 units with a smoothing constant of 0.20 and using first order exponential smoothing what is the July forecast? What do you think about a 0.20 smoothing constant? Time Actual Demand April 200 Мay 50 June 150
- Macro farms Ltd can purchase two types of fertilizer which contain the following percentage Nitrate Phosphate Potash Type X 18 5 2 Type Y 3 2 5 For certain type of crop, the following minimum quantities (kg) are required Nitrate Phosphate Potash 100 50 40 Type X cost GHS10 per kg and type Y cost GHS5 per kg. The company currently buys 1,000 kg of each type and wishes to minimize it expenditure on fertilizers.Required 1. What is the minimum expenditure that can be incurred on fertilizer? 2. Find the savings the company can make by switching from it current policy to your recommendation.2. For Pump Omicron, the pump performance data is shown in Table 2 below. Plot a curve of best fit Havailable versus Q from 0 Lpm to 30 Lpm. State the equation represented by the curve. On the same graph, plot the Hrequired versus Q and indicate the operating point. Table 2: Pump Omicron performance data Q (LPM) H (m) 0 46.5 46 42 37 29 16.5 0.0 5 10 15 20 25 30Fill in the blanks pertinent to 1 kg R134a Item Unknown phase P. t h SBL SPH %x %y MPa L/kg k/kg kJ/kg K kl/kg 1 1 1.726 2 1.4 1.7334 1.5 95 4 58 426.07 48 375 6 57.91 392 7 21.58 1.1035