Electrical Cables Solid type cables are considered unreliable beyond 66 kV because Skin effect dominates on the conductor Of corona loss between conductor and sheath material Insulation may melt due to higher temperature There is a danger of breakdown of insulation due to the presence of voids Skin effect dominates on the conductor Of corona loss between conductor and sheath material Insulation may melt due to higher temperature There is a danger of breakdown of insulation due to the presence of voids ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The insulating material for cables should Be non-hygroscopic Be acid proof Be non-inflammable All of the listed here Be non-hygroscopic Be acid proof Be non-inflammable All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables If a cable of homogeneous insulation has a maximum stress of 10 kV/mm, then the dielectric strength of insulation should be 5 kV/mm 10 kV/mm 30 kV/mm 15 kV/mm 5 kV/mm 10 kV/mm 30 kV/mm 15 kV/mm ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Which of the following insulation is used in cables? Paper Varnished cambric Rubber All of the listed here Paper Varnished cambric Rubber All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In cables the charging current Lags the voltage by 90° Leads the voltage by 90° Leads the voltage by 180° Lags the voltage by 180° Lags the voltage by 90° Leads the voltage by 90° Leads the voltage by 180° 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 Four times Double None of the listed here One half Four times Double None of the listed here One half ANSWER DOWNLOAD EXAMIANS APP