D] 553.5 watts E] 1073 watts 10. A hollow steel tube of square cross section, whose outside dimension is 10 cm on side and 5 mm thick, is loaded with compressive forces of 120 kN. What is the stress produced in the members? A] 12000kPa B] 63157.89 Pa c] 80.41 Mpa DJ 220.0 Mpa E] 63.16 Mpa 11. Two strips of steel are bolted together by 5 bolts of 15 mm diameter and subjected to tensile loads of 11.50 kN. What is the shear stress produced in the bolts. A] 13.02 Mpa B] 13.015 kPa c] 65.08 Mpa DJ 6508 Pa E] 460.82 kPa 12. A force of 75 kN is applied to a rod of 2 m in length. As a result the rod eleongates by 1.25mm. What is the value of the strain produced? A] 0.0267 m/m B] 0.0167m/m c] 0.000625m/m D] 0.00267m/m E] 0.0333m/m 13. A strip of bronze 5 mm by 20 mm carries an axial tensile load of 30 kN. In a length of 200 mm there is a deformation of 0.513 mm. Calculate the Modulus of Elasticity of the bronze. A] 117 kPa B] 117Gpa c] 23.4 kPa D] 1170 Gpa E] 11.7kPa 14. A steel bolt is to carry a shear force of 35 kN. Determine the minimum diameter of bolt required if the allowable shear stress is the bolt is 125 Gpa. A] 18.9 mm B] 37.8 mm CJ 75.5 m mm D] 113.4 mm E] 9.45 mm