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Given Concrete cylinders were tested in a compression machine with the following strength results 4620 4580 4400 4460 and 4200 all in psi. Required Find the average strength in MPa?
Simonehr
1 psi = 0.00689475728 MPa
As such the average strength in PSI = (4620 + 4580 + 4400 + 4460 + 4200) / 5
= 4452 psi
Average strength in MPa = 4452 x 0.00689475728
= 30.69545941056 MPa
= 30.7 MPa
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∙ 14y ago
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