Electrical Cables Is a cable is to be designed for use on 1000 kV, which insulation would you prefer ? Polyvinyle chloride Impregnated paper Vulcanised rubber Compressed SF6 gas Polyvinyle chloride Impregnated paper Vulcanised rubber Compressed SF6 gas 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 One half Double Four times None of the listed here One half Double Four times None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The breakdown of insulation of the cable can be avoided economically by the use of Inter-sheaths Both Inter-sheaths and Insulating materials with different dielectric constants Insulating materials with different dielectric constants None of the listed here Inter-sheaths Both Inter-sheaths and Insulating materials with different dielectric constants Insulating materials with different dielectric constants None of the listed here 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 50 cm 20 cm 100 cm 30 cm 50 cm 20 cm 100 cm 30 cm ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Which of the following insulation is used in cables? Paper Varnished cambric Rubber All of the listed here Paper Varnished cambric Rubber All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The electrostatic stress in underground cables is Zero at the conductor as well as on the sheath Maximum at the conductor and minimum at the sheath Same at the conductor and the sheath Minimum at the conductor and maximum at the sheath Zero at the conductor as well as on the sheath Maximum at the conductor and minimum at the sheath Same at the conductor and the sheath Minimum at the conductor and maximum at the sheath ANSWER DOWNLOAD EXAMIANS APP
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