ENG1011 - Engineering Methods - S1 2025
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What was the difference between
- the length of the Al 6063 sample while the force in question 2(c) is being applied, and
- the length of the Al 6063 sample after the force in question 2(c) has been released?
In other words, how much did the specimen retract (elastic recovery) once the force was removed?
Give your answer in mm, to at least 2 significant figures
What are the effective length factors of the following support systems, that would be used to calculate the buckling capacity of the columns shown?
What failure modes must be analysed for members experiencing...
The following file contains data from a tensile test of a sample of acrylic sheet, from the same batch as was used to create the meccano pieces in your bridge kit.
You can download the data file here. Save the data to your computer, open it in a spreadsheet (e.g. Excel), and use the data to answer the following questions
After CHECKING your answers, for feedback on anything you got wrong, hover your mouse over the red cross next to your answer.
(a) Find the ultimate tensile stress of the material MPa(b) Estimate the elastic modulus of the material GPa(c) The acrylic doesn't have a clear yield point. Instead, estimate the 0.2% proof stress of the material to give you a measure of where plastic deformation starts. MPa(d) Estimate the toughness of the material MJ/m3(e) Calculate the force that would be required to break a 20 mm diameter rod of this material NWhat was the 0.2% proof stress for the Al 6063 sample that you determined in question 2(d)?
Give your answer in MPa, to at least 2 significant figures
The following file contains data from a tensile test of a sample of acrylic sheet, from the same batch as was used to create the meccano pieces in your bridge kit.
You can download the data file here. Save the data to your computer, open it in a spreadsheet (e.g. Excel), and use the data to answer the following questions
(a) Find the ultimate tensile stress of the material MPa(b) Estimate the elastic modulus of the material GPa(c) The acrylic doesn't have a clear yield point. Instead, estimate the 0.2% proof stress of the material to give you a measure of where plastic deformation starts. MPa(d) Estimate the toughness of the material MJ/m3(e) Calculate the force that would be required to break a 20 mm diameter rod of this material NPlease answer all parts of the question.The following file contains data from a tensile test of a sample of acrylic sheet, from the same batch as was used to create the meccano pieces in your bridge kit.
You can download the data file here. Save the data to your computer, open it in a spreadsheet (e.g. Excel), and use the data to answer the following questions
(a) Find the ultimate tensile stress of the material MPa(b) Estimate the elastic modulus of the material GPa(c) The acrylic doesn't have a clear yield point. Instead, estimate the 0.2% proof stress of the material to give you a measure of where plastic deformation starts. MPa(d) Estimate the toughness of the material MJ/m3(e) Calculate the force that would be required to break a 20 mm diameter rod of this material NWant instant access to all verified answers on learning.monash.edu?
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