Electrical Cables The thickness of metallic shielding on cables is usually 0.2 to 0.4 mm 40 to 60 mm 3 to 5 mm 0.04 mm 0.2 to 0.4 mm 40 to 60 mm 3 to 5 mm 0.04 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 Cables for 220 kV lines are invariably Mica insulated Compressed oil or compressed gas insulated Rubber insulated Paper insulated Mica insulated Compressed oil or compressed gas 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 Double None of the listed here One half Four times Double None of the listed here One half Four times ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The insulating material for a cable should have All of the listed here low cost High dielectric strength High mechanical strength All of the listed here low cost High dielectric strength High mechanical strength ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables A cable carrying alternating current has Hysteresis losses only Hysteresis, leakage, copper and friction losses Hysteresis and leakage losses only Hysteresis, leakage and copper losses only Hysteresis losses only Hysteresis, leakage, copper and friction losses Hysteresis and leakage losses only Hysteresis, leakage and copper losses only ANSWER DOWNLOAD EXAMIANS APP