Electrical Cables The insulating material should have High dielectric strength Low permittivity High resistivity All of the listed here High dielectric strength Low permittivity High resistivity All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The electrostatic stress in underground cables is Maximum at the conductor and minimum at the sheath Zero at the conductor as well as on the sheath Minimum at the conductor and maximum at the sheath Same at the conductor and the sheath Maximum at the conductor and minimum at the sheath Zero at the conductor as well as on the sheath Minimum at the conductor and maximum at the sheath Same at the conductor and the sheath ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The inter sheaths in the cables are used to Avoid the requirement of good insulation Provide proper stress distribution Minimize the stress None of the listed here Avoid the requirement of good insulation Provide proper stress distribution Minimize the stress None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Capacitance grading of cable implies Capacitance required to be introduced at different lengths to counter the effect of inductance Grading according to capacitance of cables per km length Use of dielectrics of different permeabilities Cables using single dielectric in different concentrations Capacitance required to be introduced at different lengths to counter the effect of inductance Grading according to capacitance of cables per km length Use of dielectrics of different permeabilities Cables using single dielectric in different concentrations ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The advantage of cables over overhead transmission lines is Low cost Easy maintenance Can be used in congested areas Can be used in high voltage circuits Low cost Easy maintenance Can be used in congested areas Can be used in high voltage circuits ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The thickness of metallic shielding on cables is usually 3 to 5 mm 0.04 mm 0.2 to 0.4 mm 40 to 60 mm 3 to 5 mm 0.04 mm 0.2 to 0.4 mm 40 to 60 mm ANSWER DOWNLOAD EXAMIANS APP
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