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A transmission line has a span of 250 m between supports, the supports being at the same level.
The conductor has a cross-sectional area of 1·29 cm2. The ultimate strength is 4220 kg/2
factor of safety is 2. The wind pressure is 40 kg/2
. Calculate the height of the conductor above
ground level at which it should be supported if a minimum clearance of 7m is to be kept between
the ground and the conductor.

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