1. A simple steel pipe being used as a bracket to support equipment through cables

1. A simple steel pipe being used as a bracket to support equipment through cables attached as shown in Figure 1.
А
Pipe
120 cm
B
F1 = 36 kN
36 kN = F2
90 cm
30°
30°
С
12 kN = F3
Figure 1: Steel pipe
a). Select the smallest diameter steel pipe using the nearest value area calculated that
will limit the stress to no more than 124 MPa (Refer Appendix 1).
(15 marks)
b). Determine the total downward deflection of point C at the bottom of the pipe as the
loads are applied using the pipe selected in Question 1(a) (use the value area selected).
(10 marks)