Electrical Cables Low tension cables are generally used up to 200 V 600 V 400 V 1000 V 200 V 600 V 400 V 1000 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Capacitance grading of cable implies 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 Use of dielectrics of different permeabilities ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Cables for 220 kV lines are invariably Mica insulated Compressed oil or compressed gas insulated Rubber insulated Paper insulated Mica insulated Compressed oil or compressed gas insulated Rubber insulated Paper insulated 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 Underground cables are laid at sufficient depth To minimize temperature stresses To minimize the effect of shocks and vibrations due to gassing vehicles, etc. All of the listed here To avoid being unearthed easily due to removal of soil To minimize temperature stresses To minimize the effect of shocks and vibrations due to gassing vehicles, etc. All of the listed here To avoid being unearthed easily due to removal of soil ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In a cable, the maximum stress under operating conditions is at Conductor surface Armour Insulation layer Sheath Conductor surface Armour Insulation layer Sheath ANSWER DOWNLOAD EXAMIANS APP