Electrical Cables Underground cables are laid at sufficient depth To minimize the effect of shocks and vibrations due to gassing vehicles, etc. To avoid being unearthed easily due to removal of soil To minimize temperature stresses All of the listed here To minimize the effect of shocks and vibrations due to gassing vehicles, etc. To avoid being unearthed easily due to removal of soil To minimize temperature stresses All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Cables for 220 kV lines are invariably Paper insulated Rubber insulated Mica insulated Compressed oil or compressed gas insulated Paper insulated Rubber insulated Mica insulated Compressed oil or compressed gas insulated ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The minimum dielectric stress in a cable is at Conductor surface Lead sheath Bedding Armour Conductor surface Lead sheath Bedding Armour 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 30 kV/mm 15 kV/mm 10 kV/mm 5 kV/mm 30 kV/mm 15 kV/mm 10 kV/mm 5 kV/mm ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The advantage of oil filled cables is No ionization, oxidation and formation of voids Smaller overall size All of the listed here More perfect impregnation No ionization, oxidation and formation of voids Smaller overall size All of the listed here More perfect impregnation ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The thickness of the layer of insulation on the conductor, in cables, depends upon Voltage Current carrying capacity Power factor Reactive power Voltage Current carrying capacity Power factor Reactive power ANSWER DOWNLOAD EXAMIANS APP