Electrical Cables The electrostatic stress in underground cables is Same at the conductor and the sheath Maximum at the conductor and minimum at the sheath Minimum at the conductor and maximum at the sheath Zero at the conductor as well as on the sheath Same at the conductor and the sheath Maximum at the conductor and minimum at the sheath Minimum at the conductor and maximum at the sheath Zero at the conductor as well as on the sheath ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The breakdown voltage of a cable depends on Presence of moisture Time of application of the voltage Working temperature All of the listed here Presence of moisture Time of application of the voltage Working temperature All of the listed here 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 Impregnated paper Polyvinyle chloride Vulcanised rubber Compressed SF6 gas Impregnated paper Polyvinyle chloride Vulcanised rubber ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The thickness of metallic shielding on cables is usually 0.2 to 0.4 mm 0.04 mm 3 to 5 mm 40 to 60 mm 0.2 to 0.4 mm 0.04 mm 3 to 5 mm 40 to 60 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 100 cm 30 cm 20 cm 50 cm 100 cm 30 cm 20 cm 50 cm ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Capacitance grading of cable implies 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 Use of dielectrics of different permeabilities Grading according to capacitance of cables per km length Cables using single dielectric in different concentrations ANSWER DOWNLOAD EXAMIANS APP