SITUATION 4: The 1200-lb uniform plate ABCD can rotate freely about the hinge AB. The plate is supported by the cables DE and CE. The working stress in the cables is 18 ksi. Given: a = 4’; b = 6’; c = 2’; d = 3’
1.Calculate the smallest safe diameter (in) of cable DE.
A. 0.45
C. 0.35
B. 0.23
D. 0.26
2.Calculate the smallest safe diameter (in) of cable CE.
A. 0.45
C. 0.35
B. 0.23
D. 0.26
3.Determine the maximum additional load (lbs) that may be applied at the centroid of the plate, if the diameter of the cables is 1/2 in.
A. 3824
C. 4858
B. 6058
D. 6567

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