Transmission & Distribution Transmission line insulators are made of iron porcelain P.V.C. glass iron porcelain P.V.C. glass ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Which of the following faults is most likely to occur in cables? All of these Open circuit fault Cross or short-circuit fault Breakdown of cable insulation All of these Open circuit fault Cross or short-circuit fault Breakdown of cable insulation ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Which of the following equipment is used to limit short circuit level in a substation? isolator Lightning switch Coupling capacitor Series reactor isolator Lightning switch Coupling capacitor Series reactor ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Which of the following is the source of heat generation in the cables? Dielectric losses in cable insulation All of these Losses in the metallic sheathings and armourings losses in the conductor Dielectric losses in cable insulation All of these Losses in the metallic sheathings and armourings losses in the conductor ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The square root of the ratio of line impedance and shunt admittance is called the None of these Conductance of the line Surge impedance of the line Regulation of the line None of these Conductance of the line Surge impedance of the line Regulation of the line ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The skin effect of a conductor will reduce as the Permeability of conductor material increases Resistivity of conductor material increases Diameter increases Frequency increases Permeability of conductor material increases Resistivity of conductor material increases Diameter increases Frequency increases ANSWER DOWNLOAD EXAMIANS APP