ELECTRICAL CABLES QUIZ

Insulation may melt due to higher temperature

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

Of corona loss between conductor and sheath material

Skin effect dominates on the conductor

Smaller overall size

All of the listed here

More perfect impregnation

No ionization, oxidation and formation of voids

Mica insulated

Rubber insulated

Paper insulated

Compressed oil or compressed gas insulated

Sheath

Armouring

None of the listed here

Bedding

Leads the voltage by 90°

Lags the voltage by 90°

Lags the voltage by 180°

Leads the voltage by 180°

Nonexistence of any stability limit

Absence of harmonics

None of the listed here

Smaller dielectric loss

Polyvinyle chloride

Impregnated paper

Compressed SF6 gas

Vulcanised rubber

Blue

Black

Red

Brown

0.2 to 0.4 mm

0.04 mm

3 to 5 mm

40 to 60 mm

Low permittivity

All of the listed here

High resistivity

High dielectric strength