Electrical Cables If a cable of homogeneous insulation has a maximum stress of 10 kV/mm, then the dielectric strength of insulation should be 5 kV/mm 15 kV/mm 10 kV/mm 30 kV/mm 5 kV/mm 15 kV/mm 10 kV/mm 30 kV/mm ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Cables for 220 kV lines are invariably Rubber insulated Paper insulated Mica insulated Compressed oil or compressed gas insulated Rubber insulated Paper insulated Mica insulated Compressed oil or compressed gas insulated 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 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 30 cm 100 cm 50 cm 20 cm 30 cm 100 cm 50 cm ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The relative permittivity of rubber is Between 5 and 7 None of the listed here Between 2 and 3 Between 8 and 9 Between 5 and 7 None of the listed here Between 2 and 3 Between 8 and 9 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