Electrical Cables The advantage of cables over overhead transmission lines is Low cost Easy maintenance Can be used in high voltage circuits Can be used in congested areas Low cost Easy maintenance Can be used in high voltage circuits Can be used in congested areas 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 Of corona loss between conductor and sheath material Insulation may melt due to higher temperature Skin effect dominates on the conductor There is a danger of breakdown of insulation due to the presence of voids Of corona loss between conductor and sheath material Insulation may melt due to higher temperature Skin effect dominates on the conductor ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The electrostatic stress in underground cables is Maximum at the conductor and minimum at the sheath Zero at the conductor as well as on the sheath Same at the conductor and the sheath Minimum at the conductor and maximum at the sheath Maximum at the conductor and minimum at the sheath Zero at the conductor as well as on the sheath Same at the conductor and the sheath Minimum at the conductor and maximum at the sheath ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The insulating material should have High resistivity High dielectric strength All of the listed here Low permittivity High resistivity High dielectric strength All of the listed here Low permittivity ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In case of three core flexible cable the color of the neutral is Blue Brown Red Black Blue Brown Red Black ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The minimum dielectric stress in a cable is at Bedding Armour Lead sheath Conductor surface Bedding Armour Lead sheath Conductor surface ANSWER DOWNLOAD EXAMIANS APP
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