# 220F09_Answers-Exam1 - 4 T = 4,775 N-m d min = 70.30 mm 5...

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Answer Key for Old Exam Problems - Exam #1 Statically Indeterminate Axial Problems : 1) P = 270.9 N σ c = 15 MPa σ s = 30 MPa 2) P BE = 232.8 lb P CF = 258.6 lb δ D = 0.07588 in (down) 3) σ a = 17.26 ksi (T) σ s = 14.22 ksi (C) 4) σ Al = 47.0 MPa (C) σ St = 246.6 MPa (T) 5) σ AB = 10.72 ksi (C) σ AC = 24.12 ksi (C) δ B = 0.009876 in ( ) 6) T f = 226 ° F δ AB = 0.00708 in ( ) Torsion Problems : 1) T max = 8,458 N-m 2) T max = 12,630 in-lb φ = 1.093 ° 3) P = 99,000 in-lb/s T = 630.2 in-lb d min = 0.9271 in
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Unformatted text preview: 4) T = 4,775 N-m d min = 70.30 mm 5) τ AB = 1.862 ksi τ BC = 10.19 ksi φ AC = 2.649 ° (CCW) 6) τ AB = 32.59 MPa τ BC = 48.29 MPa φ AC = 0.3649 ° (CW) 7) T A = 110.9 N-m T D = 389.1 N-m τ s = 20.92 MPa τ b = 15.85 MPa 8) T A = 60 lb-ft T B = 440 lb-ft τ max = 29.34 ksi (in AC) 9) T A = 50 lb-ft T C = 630 lb-ft τ max = 38.50 ksi (in CD) 10) T A = 14.26 kN-m T C = 5.74 kN-m 11) T max = 12.29 MN-m...
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