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A circular aluminum tube with a length of L= 600 mm is loaded in compression by forces P . The outside and inside diameters of 75 mm and 63 mm, respectively. A strain gauge is placed on the outside of the hollow segment of the tube to measure normal strains in the longitudinal direction. assume E=73 GPa and Poissons ration v=0.33. strain=781x10^-6
what is the percent change in its cross sectional area?
what is the volume change of the tube?
if the tube has a constant outer diameter of d2=75mm along is entire length L but now has increased inner diameter d3 with a normal stress of 70 MPa over the middle third while the rest of the tube remains at normal stress 57MPa what is the diameter d3?
Before the second particle catches the first particle, what is the maximum distance between the two particles.
To provide knowledge and practice AutoCAD software package for engineering activities.
Determine the value of Po, as a funciton of H, for these two investment alternatives to be equivalent at an interest rate of i=15% per year.
What are Engineering Societies based upon the research? List at least 10 discipline specific engineering societies along with their website addresses.
A 1kg ball is dropped from the top of a cliff and falls with a constant acceleration due to gravity. Assume that effects of air resistance can be ignored.
determine the pressure head at the nozzle inlet to produce a water jet velocity of 40 ft/s. Neglect the friction loss and assume incompressible flow.
Write a script newquot.m that uses the Newton quotient, [f (x + h) - f (x)]/h, to estimate the first derivative of f (x) = x3 at x = 1, using successively smaller values of h: 1, 10-1, 10-2, and so forth. Use a function M-file for f (x).
Assume you are observing traffic in a single lane of a highway at a specific location. you measure the average headway and average spacing of passing vehicles as 3 seconds and 150 ft, respectively. calculate the flow, average speed, and density of..
given s=.30/(60-u), where s is the spacing (space headway) in miles, and u is the speed in miles per hour, derive the relationships u-k, u-q, and q-k. Also, estmate the capacity (qmax) of the roadway.
The aluminium wire has a radius of 1.1mm. What must be the radius of the steel wire if it is to stretch the same distance as the aluminium wire, so that the two wires maintain equal lengths after the masses are attached?
Light-Voice Controlling System. We are planning to design a new light-voice controlling system. The voices will basically coordinate the crossing of a road by blind people. Suppose the crossing will be operated by two coordinated systems
Materials To Construct An Industrial Building, A small building can be constructed of steel or wood framing. A decision is made to use steel for fire resistance.
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