ELECTRICAL CABLES QUIZ

Hard drawn

Annealed

Hardened and tempered

Alloy with chromium

5 ohms

100 ohms

500 ohms

50 ohms

Hysteresis and leakage losses only

Hysteresis, leakage and copper losses only

Hysteresis, leakage, copper and friction losses

Hysteresis losses only

None of the listed here

Between 2 and 3

Between 5 and 7

Between 8 and 9

Zero at the conductor as well as on the sheath

Maximum at the conductor and minimum at the sheath

Minimum at the conductor and maximum at the sheath

Same at the conductor and the sheath

To avoid being unearthed easily due to removal of soil

All of the listed here

To minimize temperature stresses

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

Insulator

Core of the conductor

Surface of the conductor

Sheath

Impregnated paper

Compressed SF6 gas

Polyvinyle chloride

Vulcanised rubber

Can be used in high voltage circuits

Low cost

Easy maintenance

Can be used in congested areas

Hessian cloth

None of the listed here

Both Hessian cloth and Jute

Jute