The wooden poles well impregnated with creosite oil or any preservative compound have life span

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Electrical Engineering MCQ on Power Transmission

The wooden poles well impregnated with creosite oil or any preservative compound have life span

  1. 10 to 15 years
  2. 25 to 30 years
  3. 60 to 70 years
  4. From 2 to 5 years

Correct answer: 2. 25 to 30 years

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