Electrical Cables The electrostatic stress in underground cables is Minimum at the conductor and maximum at the sheath Maximum at the conductor and minimum at the sheath Same at the conductor and the sheath Zero at the conductor as well as on the sheath Minimum at the conductor and maximum at the sheath Maximum at the conductor and minimum at the sheath Same at the conductor and the sheath Zero at the conductor as well as on the sheath ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The insulation of the cable decreases with None of the listed here The decrease in the length of the insulation Both of the listed here The increase in length of the insulation None of the listed here The decrease in the length of the insulation Both of the listed here The increase in length of the insulation ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The thickness of metallic shielding on cables is usually 3 to 5 mm 0.04 mm 40 to 60 mm 0.2 to 0.4 mm 3 to 5 mm 0.04 mm 40 to 60 mm 0.2 to 0.4 mm ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The thickness of the layer of insulation on the conductor, in cables, depends upon Power factor Voltage Current carrying capacity Reactive power Power factor Voltage Current carrying capacity Reactive power 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 Four times None of the listed here One half Double Four times None of the listed here One half Double ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The advantage of cables over overhead transmission lines is Easy maintenance Can be used in high voltage circuits Can be used in congested areas Low cost Easy maintenance Can be used in high voltage circuits Can be used in congested areas Low cost ANSWER DOWNLOAD EXAMIANS APP
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