Moderate
The material commonly used for sheaths of underground cables is______________?
Correct answer: A. lead
- A. lead
- B. rubber
- C. copper
- D. iron
Explanation
Lead is commonly used as an underground-cable sheath because it is impervious to moisture and provides good chemical and corrosion resistance. The sheath protects the insulation from the surrounding soil and water.
Last updated
Practise Power Systems
334 free Power Systems MCQs from Electrical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Electrical Engineering questions like this
Electrical Engineering is on 2 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.