1.

In the Kando system of electrical traction, a ________ supply from the sub-station is picked up by the locomotive through the single overhead contact wire.

A. 3.3-kV, 25-Hz
B. 16-kV, 50-Hz
C. 25-kV, 25-Hz
D. 15-kV, \(16\frac{2}{3} - HZ\)
Answer» C. 25-kV, 25-Hz


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