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1. For the pinned frame below subjected to a 500 kN lateral force, what are the internal forces in each member?
2. For a design allowable tension stress of 140 Mpa and a design allowable compression stress of 100 Mpa(do not use safety factors), what is the required cross sectional area of each member?
3. The structure is assembled at 70 F and then heated to 300 F. What is the axial thermal stress and strain in AB if the structure is made out of wood (CTE= 0.000020/degF) or aluminum (CTE=0.0000129/degF)?
4. Lets design the members if they are made of wood(compression and tension design strength = 5000psi) or aluminum (???compression and tension design strength= 20000psi). Do not use any safety factors. Can you use any of the wood or aluminum pieces shown below.
A particular unit cell is cubic with ions of type A located at the corners and facecenters of the unit cell and ions of type B located at the midpoint of each edge of the cube and at the body centered position.
Granny viola has been saving money in the Bread and Butter mutual fund for 15 years . She has been a steady depositor over those years and has a pattern of putting $100 into the account every 3 months.
A field sample of an aguifer is packed in a test cylinder. The cylinder has a length of 120 cm and a diameter of 12 cm. The field sample with a porosity of 0.24 is tested under a constan
Consider a circular copper wire formed by connecting the two ends of a copper wire. The connection point is now heated by a burning candle.
The slabs are to be built integrally with the end supports, which are spandrel beams. fy = 60,000 psi, fc' = 4000psi normal-weight concrete. Clear spans are 15 feet, 18 feet and 15 feet. with the longitudal span of 38 feet.
Installing an automated production system costing $278,000 is initially expected to save Zia corporation $52,000 in expenses annually. If the system needs $5000 in operating and maintenanc
For case the study shown in figure below, explain how the consolidation process could be expected due to the consolidation of the clay layer, and estimate the period over which this will take place.
Plot the following void ratio versus pressure data, and evaluate the compression index and the recompression index. Determine the preconsolidation stress.
Given an 18-in. concrete conduit with a roughness coefficient of n = 0.013, s = 0.02, and a discharge capacit of 15 cfs, what diameter pipe is required to triple the capacity
The software FoilSimU III was developed by the NASA and can be obtained at {http://www.grc.nasa.gov/ www/K-12/UndergradProgs/index.htm}.
Write a computer program that generates a sequence of random variables from a normal distribution with mean 5 and standard deviation 2.
Estimate daily evaporation from a lake (cm/day) using Penman's (combined) formula, given the following information: average air temperature is 28 oC, average water temperature is 15 oC, average wind speed at 8m height is 20 Km/hr
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