Problem Statement: EE Board October 1993
A copper cable is suspended between two supports on the same level, spaced 600 m apart. The cable hangs under the influence of its own weight only. Under these conditions, it is desired to calculate the maximum sag (at the center of the span) when the maximum stress in the material is 1000 kg/cm^2. The cross section of the cable is 1.77 sq. cm. Weight of the cable = 1.5 kg/m. Use parabolic equation.
- A. 42.26 m
- B. 43.26 m
- C. 44.26 m
- D. 45.26 m
The maximum sag given the maximum stress of the material is 42.26 m.
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