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 Double One half Four times None of the listed here Double One half Four times ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The insulating material for a cable should have High dielectric strength All of the listed here low cost High mechanical strength High dielectric strength All of the listed here low cost High mechanical strength ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Solid type cables are considered unreliable beyond 66 kV because 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 Skin effect dominates on the conductor ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In capacitance grading of cables we use a _________ dielectric. Hygroscopic Composite Porous Homogeneous Hygroscopic Composite Porous Homogeneous ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The bedding on a cable consists of Jute Both Hessian cloth and Jute Hessian cloth None of the listed here Jute Both Hessian cloth and Jute Hessian cloth None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The thickness of the layer of insulation on the conductor, in cables, depends upon Reactive power Current carrying capacity Voltage Power factor Reactive power Current carrying capacity Voltage Power factor ANSWER DOWNLOAD EXAMIANS APP
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