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 None of the listed here Four times Double One half None of the listed here Four times Double One half ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The disadvantage with paper as insulating material is It is an organic material It is hygroscopic None of the listed here It has high capacitance It is an organic material It is hygroscopic None of the listed here It has high capacitance ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables _________ cables are used for 132 kV lines. Super tension Extra super voltage Extra high tension High tension Super tension Extra super voltage Extra high tension High tension ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Pressure cables are generally not used beyond 132 kV 66 kV 33 kV 11 kV 132 kV 66 kV 33 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The insulating material for a cable should have All of the listed here High dielectric strength High mechanical strength low cost All of the listed here High dielectric strength High mechanical strength low cost 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
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