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The A-36 steel drill shaft of an oil well extends 12000 ft into the ground. The...

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The A-36 steel drill shaft of an oil well extends 12000 ft into the ground. The pipe used to drill the well is suspended free

Part A Determine the maximum average normal stress in pipe string AB Express your answer to three significant figures and incPart Determine the maximum average normal stress in pipe string CD. Express your answer to three significant figures and incl

The A-36 steel drill shaft of an oil well extends 12000 ft into the ground. The pipe used to drill the well is suspended freely from the derrick at A. (Figure 1) The shaft consists of three different sizes of pipe, AAB = 2.10 in.2, ABC = 1.50 in?, and ACD = 1.00 in., each having the length and weight per unit length indicated. Figure < 1 of 1 > AAB 5000 ft WAB= 3.2 lb/ft Авс 5000 ft Wec= 2.8 lb/ft Аср wcd= 2.0 lb/ft 2000 ft
Part A Determine the maximum average normal stress in pipe string AB Express your answer to three significant figures and include appropriate units. TT Å O 2 ? 0A = Value Units Submit Request Answer Part B Determine the maximum average normal stress in pipe string BC. Express your answer to three significant figures and include appropriate units. i HÅR O ? OB= Value Units Submit Request Answer
Part Determine the maximum average normal stress in pipe string CD. Express your answer to three significant figures and include appropriate units. oc= Value Units Submit Request Answer Part D Determine the elongation of its end D with respect to the fixed end at A. Express your answer to three significant figures and include appropriate units. 8D = Value Units Submit Request Answer

Answers


solution : Finding the stres at c we know that the Internal Resisting force offered by a body by applying an Enternal force P(w): 2.84 +H000 fca)= 21. I 2.80. A pin) = 302x + 18000 Tu, 3.21. 2,spee) NIM 2 X 212000) 4000 Finding Deflection at So: e

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