Electrical Cables The current carrying capacity of cables in D.C. is more than that in A.C. mainly due to Absence of harmonics Smaller dielectric loss Nonexistence of any stability limit None of the listed here Absence of harmonics Smaller dielectric loss Nonexistence of any stability limit None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Underground cables are laid at sufficient depth To avoid being unearthed easily due to removal of soil All of the listed here To minimize temperature stresses To minimize the effect of shocks and vibrations due to gassing vehicles, etc. To avoid being unearthed easily due to removal of soil All of the listed here To minimize temperature stresses To minimize the effect of shocks and vibrations due to gassing vehicles, etc. ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In cables the charging current Lags the voltage by 90° Leads the voltage by 180° Leads the voltage by 90° Lags the voltage by 180° Lags the voltage by 90° Leads the voltage by 180° Leads the voltage by 90° Lags the voltage by 180° ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables A cable carrying alternating current has Hysteresis losses only Hysteresis, leakage, copper and friction losses Hysteresis, leakage and copper losses only Hysteresis and leakage losses only Hysteresis losses only Hysteresis, leakage, copper and friction losses Hysteresis, leakage and copper losses only Hysteresis and leakage losses only ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Capacitance grading of cable implies 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 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 Cables for 220 kV lines are invariably Mica insulated Paper insulated Rubber insulated Compressed oil or compressed gas insulated Mica insulated Paper insulated Rubber insulated Compressed oil or compressed gas insulated ANSWER DOWNLOAD EXAMIANS APP