Electrical Cables Dielectric strength of rubber is around 15 kV/mm 5 kV/mm 30 kV/mm 25 kV/mm 15 kV/mm 5 kV/mm 30 kV/mm 25 kV/mm ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Solid type cables are considered unreliable beyond 66 kV because Skin effect dominates on the conductor Insulation may melt due to higher temperature Of corona loss between conductor and sheath material There is a danger of breakdown of insulation due to the presence of voids Skin effect dominates on the conductor Insulation may melt due to higher temperature Of corona loss between conductor and sheath material There is a danger of breakdown of insulation due to the presence of voids ANSWER DOWNLOAD EXAMIANS APP
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 The current carrying capacity of cables in D.C. is more than that in A.C. mainly due to Smaller dielectric loss None of the listed here Absence of harmonics Nonexistence of any stability limit Smaller dielectric loss None of the listed here Absence of harmonics Nonexistence of any stability limit ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Cables for 220 kV lines are invariably Paper insulated Mica insulated Rubber insulated Compressed oil or compressed gas insulated Paper insulated Mica insulated Rubber insulated Compressed oil or compressed gas insulated ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The insulating material for a cable should have High mechanical strength All of the listed here High dielectric strength low cost High mechanical strength All of the listed here High dielectric strength low cost ANSWER DOWNLOAD EXAMIANS APP
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