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1. |
What is the overall diameter of a single core cable when its working on a three phase 264 kV system? The maximum permissible stress in the dieletric is not to exceed 20 kV/mm is ________ mm |
A. | 21.4 mm |
B. | 214 mm |
C. | 2.14 mm |
D. | .214 mm |
Answer» B. 214 mm | |