The electrostatic stress in underground cables is
A. Same at the conductor and the sheath
B. Minimum at the conductor and maximum at the sheath
C. Maximum at the conductor and minimum at the sheath
D. Zero at the conductor as well as on the sheath
Answer: Option C
This Question Belongs to Electrical Engineering >> Electrical Cables
The bedding on a cable consists of
A. Hessian cloth
B. Jute
C. Any of the above
D. None of the above
The insulating material for a cable should have
A. Low cost
B. High dielectric strength
C. High mechanical strength
D. All of the above
Underground cables are laid at sufficient depth
A. To minimize 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
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