Capacitance grading of cable implies
A. Use of dielectrics of different permeabilities
B. Grading according to capacitance of cables per km length
C. Cables using single dielectric in different concentrations
D. Capacitance required to be introduced at different lengths to counter the effect of inductance
Answer: Option A
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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