railway UPMRC SCTO 2024 Mock Test Power Systems Transmission and Distribution Mechanical Design of Transmission Lines
The sag of conductors of a transmission line is 2.5 m when the span is 250 m. If the height of supporting towers is increased by 25%, the sag will be
1
reduced by 25%
2
increased by 25%
3
reduced by 12.5%
4
remain unchanged