Electrical Cables If a power cable and a communication cable are to run parallel the minimum distance between the two, to avoid interference, should be 50 cm 30 cm 100 cm 20 cm 50 cm 30 cm 100 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Capacitance grading of cable implies Use of dielectrics of different permeabilities Grading according to capacitance of cables per km length Cables using single dielectric in different concentrations Capacitance required to be introduced at different lengths to counter the effect of inductance Use of dielectrics of different permeabilities Grading according to capacitance of cables per km length Cables using single dielectric in different concentrations Capacitance required to be introduced at different lengths to counter the effect of inductance ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Cables for 220 kV lines are invariably Compressed oil or compressed gas insulated Mica insulated Rubber insulated Paper insulated Compressed oil or compressed gas insulated Mica insulated Rubber insulated Paper insulated 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 One half Double None of the listed here Four times One half Double None of the listed here Four times ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The minimum dielectric stress in a cable is at Lead sheath Bedding Conductor surface Armour Lead sheath Bedding Conductor surface Armour ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables High tension cables are generally used up to 33 kV 66 kV 11 kV 132 kV 33 kV 66 kV 11 kV 132 kV ANSWER DOWNLOAD EXAMIANS APP