ELECTRICAL CABLES QUIZ

Insulating materials with different dielectric constants

None of the listed here

Inter-sheaths

Both Inter-sheaths and Insulating materials with different dielectric constants

5 ohms

50 ohms

100 ohms

500 ohms

High mechanical strength

low cost

All of the listed here

High dielectric strength

Sheath

Insulation layer

Conductor surface

Armour

Avoid the requirement of good insulation

None of the listed here

Provide proper stress distribution

Minimize the stress

Leads the voltage by 180°

Lags the voltage by 180°

Leads the voltage by 90°

Lags the voltage by 90°

None of the listed here

Prevent the moisture from entering the cable

Provide proper insulation

Provide enough strength

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

Armour

Lead sheath

Conductor surface

Bedding

Polyvinyl chloride

Positive voltage conductor

Pressed and varnished cloth

Post varnish conductor