McqMate
| Q. |
A wave-trap is used at the termination of a HVAC overhead line to a station switchyard to |
| A. | prevent the transformer magnetising harritonics from reaching the overhead line |
| B. | damp the incoming surge waves from the overhead lines |
| C. | attenuate sub-harmonic oscillations |
| D. | provide for carrier communication |
| Answer» D. provide for carrier communication | |
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