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1. |
A 132 kV transmission line, with the weight of conductor = 680 kg/km, length of span = 260 m, ultimate strength = 3100 kg, safety factor =2. Calculate the height above ground at which the conductor should be supported. Ground clearance required is 10 m. |
A. | 10.7 m |
B. | 13.7 m |
C. | 20.83 m |
D. | 18.75 m |
Answer» C. 20.83 m | |