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An adjustable device is designed to apply a traction to stretch the tibia. It is attached to the tibia by rigid pins as illustrated below. There is a mechanism for length adjustable in the centre of the vertical section.
Draw a free-body diagram for each of the three straight sections of the device, showing the forces and bending moments to which each is subjected.
Discuss the criteria that you would use to determine the required dimentions of this device. What are the potential failure mechanisms? What materials might be appropriate for the manufacture of this device, and why?
Estimate the mean cross-sectional area of the tibia and, assuming that its youns's modulus is 10000 Mpa, calculate the load required to stretch it by 1mm over a length, L, of 300mm.
Determine appropriate cross-sectional dimensions for the vertical section of the traction device to enable it to sustain this applied load.
Review critically the assumptions that you have made in your analysis of this device.
(1) Determine the mass and the temperature of the steam in an insulated piston-cylinder arrangement if sufficient steam is admitted to displace the piston by one cubic foot. The cylinder originally is empty, and the piston main- tains a constant pres..
The addition of an oxidizing agent such as chlorine water to a clear solution of an unknown compound results in the appearance of a brown color. When this solution is shaken with the organic solvent, methylene dichloride, the organic solvent layer..
Assuming that sucrose is produced by the reaction: 12CO2(g)+11H2O(l) yields C12H22O11(s) 12O2(g); delta H=5640kj calculate the percentage of sunlight used to produce the sucrose- that is, determine the efficiency of photosynthesis.
A plant has a batch of 100 kmol of a liquid mixture containing 20 mol% benzene and 80 mol% chlorobenzene. It is desired to rectify this mixture at 1 atm to obtain bottoms containing only 0.1 mol% benzene. The relative volatility may be assumed con..
It will dissolve, however, in aqua regia, a mixture of the two concentrated acids. The products of the reaction are the AuCl46- ion and gaseous NO. Write a balanced equation for the dissolution of gold in aqua regia.
Calculate the molarity of each of the following aqueous solutions. a. 5.0 ppb Hg in H2O b. 1.0 ppb CHCl3 in H2O c. 10.0 ppm As in H2O d. 0.10 ppm DDT (C14H9Cl5) in H2O.
Use Laplace transformation to solve the initial value problem
A supply of nitrogen is required as an inert gas for blanketing and purging vessels. After generation, the nitrogen is compressed and stored in a bank of cylinders, at a pressure of 5 barg.
One type of commercial smoke detector contains a minute amount of radioactive americium-241 (241Am), which decays by -particle production. The particles ionize molecules in the air,
Suggest suitable materials of construction for the following applications: a. A 10,000 m3 storage tank for toluene
refer attachment for assignmentnbspattachment-nbspassignmentfile.docxquestion 1 blending is an important unit operation
The band gap of indium gallium arsenide varies based on the concentration of gallium in the material. A sample of indium gallium arsenide absorbs light with a wavelength less than 1.37 microns. What is the band gap of the indium gallium arsenide samp..
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