Numerical - sag & vertical sag for given safety factor & wind pressure of projected area

Q.  A transmission line has a span of 250 metres between the line supports. The conductors has a cross sectional area of 1.29 cm2 and weighs 1170 kg/km and has a breaking stress of 4218 kg/cm2. Calculate the sag and vertical sag with a safety factor of 5, with a wind pressure of 122 kg per square metre of the projected area.
- Published on 23 Nov 15

a. 14 and 5.37
b. 16 and 8.39
c. 14 and 8.39
d. 15 and 5.37

ANSWER: 14 and 8.39

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