Electrical Cables Capacitance grading of cable implies Cables using single dielectric in different concentrations Use of dielectrics of different permeabilities Capacitance required to be introduced at different lengths to counter the effect of inductance Grading according to capacitance of cables per km length Cables using single dielectric in different concentrations Use of dielectrics of different permeabilities Capacitance required to be introduced at different lengths to counter the effect of inductance Grading according to capacitance of cables per km length ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The electrostatic stress in underground cables is 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 Maximum at the conductor and minimum at the sheath ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables If the length of a cable is doubled, its capacitance None of the listed here Becomes one-half Becomes one-fourth Becomes double None of the listed here Becomes one-half Becomes one-fourth Becomes double ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In the cables, the location of fault is usually found out by comparing The capacitances of insulated conductors The resistance of the conductor All of the listed here The inductance of conductors The capacitances of insulated conductors The resistance of the conductor All of the listed here The inductance of conductors ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Pressure cables are generally not used beyond 132 kV 33 kV 66 kV 11 kV 132 kV 33 kV 66 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Solid type cables are considered unreliable beyond 66 kV because Of corona loss between conductor and sheath material Insulation may melt due to higher temperature Skin effect dominates on the conductor There is a danger of breakdown of insulation due to the presence of voids Of corona loss between conductor and sheath material Insulation may melt due to higher temperature Skin effect dominates on the conductor There is a danger of breakdown of insulation due to the presence of voids ANSWER DOWNLOAD EXAMIANS APP
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