ELECTRICAL CABLES QUIZ

25 kV/mm

15 kV/mm

30 kV/mm

5 kV/mm

15 kV/mm

5 kV/mm

30 kV/mm

10 kV/mm

Provide proper stress distribution

None of the listed here

Minimize the stress

Avoid the requirement of good insulation

None of the listed here

Both Steel tape and Galvanized steel wire

Galvanized steel wire

Steel tape

Be non-hygroscopic

Be acid proof

All of the listed here

Be non-inflammable

Brown

Blue

Red

Black

Of corona loss between conductor and sheath material

Skin effect dominates on the conductor

Insulation may melt due to higher temperature

There is a danger of breakdown of insulation due to the presence of voids

Easy maintenance

Can be used in congested areas

Low cost

Can be used in high voltage circuits

To minimize temperature stresses

To minimize the effect of shocks and vibrations due to gassing vehicles, etc.

To avoid being unearthed easily due to removal of soil

All of the listed here

Mica insulated

Compressed oil or compressed gas insulated

Paper insulated

Rubber insulated