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31. Which type of load causes shear stress in a beam? A. Axial load C. Bending load B. Torsional load D. Compressive load Situation 5 - A W450 128 is used as a girder on a simple span of 12 meters. The beam will support three equal concentrated dead load P at each quarter point. The uniform load on the beam are as follows: Dead load =7.2kN/m (including beam weight) Live load =9.4kN/m Properties of 6450128 : A=16,323mm2d=467mmFy=248MPdrw=12.2mmrx=197mm Allowable stresses: Bending =0.66Fy Average shear stress =0.4Fy 32. Compute the maximum bending stress (MPa) in the beam due to uniform loads only. A. 100 R. 120 C. 130 D. 110 33. Determine the maximum value of P(kN) based on shear A. 100 B. 250 c. 310 D. 280 34. Determine the maximum value of P (kN) based on bending A 36.8 B. 24.2 C. 15.7 D. 42.7 Situation 6 - A W450 60 beam with a span of 9m is fully restrained at its ends. The beam supports a superimposed uniform load of 15 kN/m. Hint Moment at midspan =wL2/24 Properties of W450 60kg/m A=7613mm2d=455mmbf=153mmtf=13.3mmtm=8mmSa=1121102mm2Mass=60kg/m 35. Determine the maximum flexural stress (MPa) in the beam. A. 94 B. 98 C. 82 D. 107 36. Compute the maximum web shear stress in MPa A. 19.3 B. 25.4 C. 32.6 D. 38.9 37. Compute the maximum horizontal shear stress in MPa. A. 15.2 B. 18.4 C. 21.8 D. 26.3 Situation 7 - A vertical pole consisting of a circular tube of outer diameter d2=100 mm and inner diameter d1=75mm is loaded by a horizontal force P=6500N. 38. Determine the maximum shear stress (MPa) in the pole. A. 3.73 C. 4.32 B. 2.76 D. 3.24 39. For the same load P and the same maximum shear, what is the diameter do(mm) of a solid circular pole? A. 65.7 C. 586 B. 50.1 D. 54.4