A transmission line has a span of 250 metres between the line supports. The conductors has a cross sectional area of 1.29 cm and weighs 1170 kg/km and has a breaking stress of 4218 kg/cm. 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.

A transmission line has a span of 250 metres between the line supports

1.	A transmission line has a span of 250 metres between the line supports. The conductors has a cross sectional area of 1.29 cm and weighs 1170 kg/km and has a breaking stress of 4218 kg/cm. 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.
A.	14 and 5.37
B.	16 and 8.39
C.	14 and 8.39
D.	15 and 5.37
Answer» D. 15 and 5.37

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