The material commonly used for sheaths of underground cables is______________?

Related Mcqs:

Which of the following distribution systems is more reliable?

A. Radial system B. Tree system C. Ring main system D. All are equally reliable...

A circuit is disconnected by isolators when____________?

A. line is energized B. there is no current in the line C. line is on full load D. circuit breaker is not open...

Galvanised steel wire is generally used as______________?

A. stay wire B. earth wire C. structural components D. all of the above...

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...

For an overhead line, the surge impedance is taken as________________?

A. 20-30 ohms B. 70—80 ohms C. 100—200 ohms D. 500—1000 ohms E. none of the above...