Electrical Cables Dielectric strength of rubber is around 15 kV/mm 30 kV/mm 25 kV/mm 5 kV/mm 15 kV/mm 30 kV/mm 25 kV/mm 5 kV/mm ANSWER DOWNLOAD EXAMIANS APP
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 20 cm 100 cm 30 cm 50 cm 20 cm 100 cm 30 cm 50 cm 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
Electrical Cables Capacitance grading of cable implies Grading according to capacitance of cables per km length Cables using single dielectric in different concentrations Use of dielectrics of different permeabilities Capacitance required to be introduced at different lengths to counter the effect of inductance Grading according to capacitance of cables per km length Cables using single dielectric in different concentrations Use of dielectrics of different permeabilities Capacitance required to be introduced at different lengths to counter the effect of inductance ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Is a cable is to be designed for use on 1000 kV, which insulation would you prefer ? Compressed SF6 gas Vulcanised rubber Impregnated paper Polyvinyle chloride Compressed SF6 gas Vulcanised rubber Impregnated paper Polyvinyle chloride ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In cables the charging current Leads the voltage by 90° Lags the voltage by 90° Leads the voltage by 180° Lags the voltage by 180° Leads the voltage by 90° Lags the voltage by 90° Leads the voltage by 180° Lags the voltage by 180° ANSWER DOWNLOAD EXAMIANS APP