A. lead
B. rubber
C. copper
D. iron
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Related Mcqs:
- The material commonly used for insulation in high voltage cables is_______________?
- A. lead B. paper C. rubber D. none of the above...
- Which of the following methods is used for laying of underground cables ?
- A. Direct laying B. Draw-in-system C. Solid system D. All of the above...
- The material generally used for armour of high voltage cables is_____________?
- A. aluminium B. steel C. brass D. copper...
- The operating voltage of high voltage cables is up to_______________?
- A. l.lkV B. 3.3kV C. 6.6kV D. llkV...
- The operating voltage of supertension cables is up to_________________?
- A. 3.3 kV B. 6.6 kV C. 11 kV D. 33 kV...
- The operating voltage of extra high tension cables is upto_______________?
- A. 6.6 kV B. 11 kV C. 33 kV D. 66 kV E. 132 kV...
- Multicore cables generally use________________?
- A. square conductors B. circular conductors C. rectangular conductors D. sector-shaped conductors E. none of the above...
- The underground system cannot be operated above_________________?
- A. 440 V B. 11 kV C. 33 kV D. 66 kV...
- A 3-phase 4 wire system is commonly used on________________?
- A. primary transmission B. secondary transmission C. primary distribution D. secondary distribution...
- A uniformly-loaded D.C. distributor is fed at both ends with equal voltages. As compared to a similar distributor fed at one end only, the drop at the middle point is______________?
- A. one-fourth B. one-third C. one-half D. twice E. none of the above...
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