The relative permittivity of rubber is____________?

Related Mcqs:

In case of three core flexible cable the colour of the neutral is_________?

A. blue B. black C. brown D. none of the above...

In a cable, the maximum stress under operating conditions is at___________?

A. insulation layer B. sheath C. armour D. conductor surface...

The breakdown of insulation of the cable can be avoided economically by the use of___________?

A. inter-sheaths B. insulating materials with different dielectric constants C. both (A) and (B) D. none of the above...

The metallic sheath may be made of lead or lead alloy or of aluminium ?

A. Yes B. No...

Underground cables are laid at sufficient depth___________?

A. to minimise temperature stresses B. to avoid being unearthed easily due to removal of soil C. to minimize the effect of shocks and vibrations due to gassing vehicles, etc D. for all of the above reasons...