Electrical Cables If a cable of homogeneous insulation has a maximum stress of 10 kV/mm, then the dielectric strength of insulation should be 30 kV/mm 10 kV/mm 5 kV/mm 15 kV/mm 30 kV/mm 10 kV/mm 5 kV/mm 15 kV/mm 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 None of the listed here Absence of harmonics Nonexistence of any stability limit Smaller dielectric loss None of the listed here Absence of harmonics Nonexistence of any stability limit ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Copper as conductor for cables is used as Alloy with chromium Hardened and tempered Annealed Hard drawn Alloy with chromium Hardened and tempered Annealed Hard drawn ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The thickness of the layer of insulation on the conductor, in cables, depends upon Current carrying capacity Voltage Power factor Reactive power Current carrying capacity Voltage Power factor Reactive power ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Solid type cables are considered unreliable beyond 66 kV because Skin effect dominates on the conductor Insulation may melt due to higher temperature There is a danger of breakdown of insulation due to the presence of voids Of corona loss between conductor and sheath material Skin effect dominates on the conductor Insulation may melt due to higher temperature There is a danger of breakdown of insulation due to the presence of voids Of corona loss between conductor and sheath material ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In a cable, the maximum stress under operating conditions is at Insulation layer Conductor surface Sheath Armour Insulation layer Conductor surface Sheath Armour ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS