Moderate
Which of the following characteristics should the line supports for transmission lines possess?
Correct answer: D. All of the above
- A. Low cost
- B. High mechanical strength
- C. Longer life
- D. All of the above
Explanation
Transmission-line supports should be economical, mechanically strong enough for conductor and weather loads, and durable over a long service life. Hence all three listed characteristics are required.
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