engineering recuitment NMDC Junior Officer (Trainee) Mock Test 2024 Power Systems Transmission and Distribution Underground Cables
Find the most economical value of the diameter of a single core cable to be used on a 50-kV, single phase system. The maximum permissible stress in the dielectric should not exceed \(40\sqrt 2 \) kV/cm.
1
3.5 cm
2
2.5 cm
3
3.0 cm
4
2.0 cm