Electrical Cables Is a cable is to be designed for use on 1000 kV, which insulation would you prefer ? Polyvinyle chloride Impregnated paper Compressed SF6 gas Vulcanised rubber Polyvinyle chloride Impregnated paper Compressed SF6 gas Vulcanised rubber ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Underground cables are laid at sufficient depth To minimize temperature stresses All of the listed here To minimize the effect of shocks and vibrations due to gassing vehicles, etc. To avoid being unearthed easily due to removal of soil To minimize temperature stresses All of the listed here To minimize the effect of shocks and vibrations due to gassing vehicles, etc. To avoid being unearthed easily due to removal of soil ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables If the length of a cable is doubled, its capacitance None of the listed here Becomes one-fourth Becomes one-half Becomes double None of the listed here Becomes one-fourth Becomes one-half Becomes double ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Empire tape is Impregnated paper Varnished cambric None of the listed here Vulcanized rubber Impregnated paper Varnished cambric None of the listed here Vulcanized rubber ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The thickness of metallic shielding on cables is usually 40 to 60 mm 0.04 mm 3 to 5 mm 0.2 to 0.4 mm 40 to 60 mm 0.04 mm 3 to 5 mm 0.2 to 0.4 mm ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Solid type cables are considered unreliable beyond 66 kV because Skin effect dominates on the conductor There is a danger of breakdown of insulation due to the presence of voids Of corona loss between conductor and sheath material Insulation may melt due to higher temperature Skin effect dominates on the conductor There is a danger of breakdown of insulation due to the presence of voids Of corona loss between conductor and sheath material Insulation may melt due to higher temperature ANSWER DOWNLOAD EXAMIANS APP