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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 cm. The ultimate strength is 4220 kg/cm and factor of safety is 2. The wind pressure is 40 kg/cm. Calculate the height of the conductor above ground level a which it should be supported if a minimum clearance of 7m is to be kept between the ground and the [10-24 m conductor.

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 cm. The ultimate strength is 4220 kg/cm and factor of safety is 2. The wind pressure is 40 kg/cm. Calculate the height of the conductor above ground level a which it should be supported if a minimum clearance of 7m is to be kept between the ground and the [10-24 m conductor.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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5. 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 cm". The ultimate strength is 4220 kg/cm and factor of safety is 2. The wind pressure is 40 kg/cm. 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. [10-24 m]
Transcribed Image Text:5. 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 cm". The ultimate strength is 4220 kg/cm and factor of safety is 2. The wind pressure is 40 kg/cm. 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. [10-24 m]
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