Electrical Cables The insulating material should have Low permittivity All of the listed here High resistivity High dielectric strength Low permittivity All of the listed here High resistivity High dielectric strength ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Pressure cables are generally not used beyond 66 kV 132 kV 33 kV 11 kV 66 kV 132 kV 33 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The breakdown voltage of a cable depends on Time of application of the voltage Working temperature All of the listed here Presence of moisture Time of application of the voltage Working temperature All of the listed here Presence of moisture 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 Insulation may melt due to higher temperature Skin effect dominates on the conductor Of corona loss between conductor and sheath material There is a danger of breakdown of insulation due to the presence of voids Insulation may melt due to higher temperature Skin effect dominates on the conductor Of corona loss between conductor and sheath material ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables A cable carrying alternating current has Hysteresis losses only Hysteresis, leakage, copper and friction losses Hysteresis and leakage losses only Hysteresis, leakage and copper losses only Hysteresis losses only Hysteresis, leakage, copper and friction losses Hysteresis and leakage losses only Hysteresis, leakage and copper losses only ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The current carrying capacity of cables in D.C. is more than that in A.C. mainly due to Smaller dielectric loss Absence of harmonics Nonexistence of any stability limit None of the listed here Smaller dielectric loss Absence of harmonics Nonexistence of any stability limit None of the listed here ANSWER DOWNLOAD EXAMIANS APP