Power Cables Quiz

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Questions and Answers

What are the advantages of underground power cables over overhead ones?

  • Lower installation cost
  • Easier to upgrade
  • More susceptible to constant disruptions
  • Safer from environmental exposure and storms (correct)

What is a characteristic of low tension cables?

  • Maximum voltage handling capacity of 11 kV
  • Maximum voltage handling capacity of 1000 V (correct)
  • Maximum voltage handling capacity of 33 kV
  • Maximum voltage handling capacity of 66 kV

What is a drawback of underground power cables?

  • Exposed to environmental elements
  • Easier to upgrade
  • High installation cost
  • Difficult to detect faults (correct)

What is a characteristic of extra high tension cables?

<p>Maximum voltage handling capacity of 66 kV (A)</p> Signup and view all the answers

What is a benefit of overhead electrical cables?

<p>Low maintenance (C)</p> Signup and view all the answers

What is a disadvantage of underground power cables?

<p>Difficult to detect faults (B)</p> Signup and view all the answers

What is the maximum voltage handling capacity of super tension cables?

<p>33 kV (A)</p> Signup and view all the answers

What is a benefit of overhead electrical cables?

<p>Less risk of electric shocks (D)</p> Signup and view all the answers

What is the voltage rating of extra high tension cables?

<p>66 kV (C)</p> Signup and view all the answers

What is a characteristic of low tension cables?

<p>Maximum voltage handling capacity of 1 kV (C)</p> Signup and view all the answers

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