Electrical Cables Capacitance grading of cable implies Capacitance required to be introduced at different lengths to counter the effect of inductance Cables using single dielectric in different concentrations Grading according to capacitance of cables per km length Use of dielectrics of different permeabilities Capacitance required to be introduced at different lengths to counter the effect of inductance Cables using single dielectric in different concentrations Grading according to capacitance of cables per km length Use of dielectrics of different permeabilities ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In capacitance grading of cables we use a _________ dielectric. Hygroscopic Composite Porous Homogeneous Hygroscopic Composite Porous Homogeneous ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The electrostatic stress in underground cables is Minimum at the conductor and maximum at the sheath Maximum at the conductor and minimum at the sheath Zero at the conductor as well as on the sheath Same at the conductor and the sheath Minimum at the conductor and maximum at the sheath Maximum at the conductor and minimum at the sheath Zero at the conductor as well as on the sheath Same at the conductor and the sheath ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The advantage of oil filled cables is More perfect impregnation No ionization, oxidation and formation of voids All of the listed here Smaller overall size More perfect impregnation No ionization, oxidation and formation of voids All of the listed here Smaller overall size ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables A certain cable has an insulation of relative permittivity 4. If the insulation is replaced by one of relative permittivity 2, the capacitance of the cable will become None of the listed here Double One half Four times None of the listed here Double One half Four times ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The thickness of the layer of insulation on the conductor, in cables, depends upon Power factor Reactive power Voltage Current carrying capacity Power factor Reactive power Voltage Current carrying capacity ANSWER DOWNLOAD EXAMIANS APP