Moderate
Steel wire is used as____________?
Correct answer: D. all of the above
- A. overhead telephone wire
- B. earth wire
- C. core wire of ACSR
- D. all of the above
Explanation
Steel provides high mechanical strength, so it is used for overhead telephone wires, earth wires, and the central reinforcing core of ACSR conductors. Therefore, all three applications are valid.
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