SSC JE Electrical Engineering 2015 Paper

Question : 142 of 199

Marks: +1, -0

If span length is doubled with no change in other factors, the sag of the line will become?

Solution:

Sag

{WL}^2/8T

L = Span of line
T = Tension o conductor
W = weight of conductor
Sag

α (\Span)^2

if Span is doubled the Sag is 4 times

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