Calculate the apparent longitudinal stress when Do=162mm, D=140mm, Pma – McqOptions

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1.	Calculate the apparent longitudinal stress when Do=162mm, D=140mm, Pmax=3MPa.
A.	8.85N/mm<sup>2</sup>
B.	9.32N/mm<sup>2</sup>
C.	6.66N/mm<sup>2</sup>
D.	7.65N/mm<sup>2</sup>
Answer» B. 9.32N/mm<sup>2</sup>

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