Electrical Cables Solid type cables are considered unreliable beyond 66 kV because 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 Skin effect dominates on the conductor ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In cables the charging current Leads the voltage by 180° Lags the voltage by 90° Leads the voltage by 90° Lags the voltage by 180° Leads the voltage by 180° Lags the voltage by 90° Leads the voltage by 90° Lags the voltage by 180° 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 None of the listed here Four times One half Double None of the listed here Four times ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The insulating material for cables should All of the listed here Be acid proof Be non-inflammable Be non-hygroscopic All of the listed here Be acid proof Be non-inflammable Be non-hygroscopic ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The electrostatic stress in underground cables is 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Which of the following insulation is used in cables? Varnished cambric All of the listed here Paper Rubber Varnished cambric All of the listed here Paper Rubber ANSWER DOWNLOAD EXAMIANS APP
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