

MCQOPTIONS
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1. |
Pilot-wire protection scheme is the most economical and provides high speed relaying for |
A. | Short length of lines upto 15 km |
B. | Medium length of lives up to 60 km |
C. | Long length of lines up to 200 km |
D. | All of the above |
Answer» B. Medium length of lives up to 60 km | |