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 High tension cables are generally used up to 11 kV 132 kV 33 kV 66 kV 11 kV 132 kV 33 kV 66 kV ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Underground cables are laid at sufficient depth All of the listed here To avoid being unearthed easily due to removal of soil To minimize the effect of shocks and vibrations due to gassing vehicles, etc. To minimize temperature stresses All of the listed here To avoid being unearthed easily due to removal of soil To minimize the effect of shocks and vibrations due to gassing vehicles, etc. To minimize temperature stresses ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The relative permittivity of rubber is Between 8 and 9 None of the listed here Between 5 and 7 Between 2 and 3 Between 8 and 9 None of the listed here Between 5 and 7 Between 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The breakdown of insulation of the cable can be avoided economically by the use of Inter-sheaths None of the listed here Insulating materials with different dielectric constants Both Inter-sheaths and Insulating materials with different dielectric constants Inter-sheaths None of the listed here Insulating materials with different dielectric constants Both Inter-sheaths and Insulating materials with different dielectric constants ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Cables for 220 kV lines are invariably Compressed oil or compressed gas insulated Mica insulated Paper insulated Rubber insulated Compressed oil or compressed gas insulated Mica insulated Paper insulated Rubber insulated ANSWER DOWNLOAD EXAMIANS APP