DGVCL Exam Paper (11-12-2011) An AC series circuit has R = 6 Ω, XL = 20 Ω and Xc = 12 Ω. The ciruit power factor will be 0.6 lagging 0.6 leading 0.5 leading 0.8 lagging 0.6 lagging 0.6 leading 0.5 leading 0.8 lagging ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The insulation coordination for UHV lines (above 500 kV) is done based on Lightning and switching surges Switching surges Voltage level of the line Lightning surges Lightning and switching surges Switching surges Voltage level of the line Lightning surges ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) In carrier current protection, the purpose of the wave trap is for Trapping power frequency waves Tripping fault current Trapping high frequency waves entering into generator/transformer unit. All of these Trapping power frequency waves Tripping fault current Trapping high frequency waves entering into generator/transformer unit. All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The bus bar zone faults are generally Three phase short ciruits Double line to ground faults Single line to ground faults Phase to phase faults Three phase short ciruits Double line to ground faults Single line to ground faults Phase to phase faults ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The corona effect can be minimized by increasing Spacing between the conductors Both spacing between the conductors and diameter of the conductor Diameter of the conductor The length of the conductor Spacing between the conductors Both spacing between the conductors and diameter of the conductor Diameter of the conductor The length of the conductor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Corona can be reduced by using large size of conductor, bundle conductor and hollow conductor.
DGVCL Exam Paper (11-12-2011) A fuse is inserted in Both phased and neutral wire Phase wire Neutral wire Earth continuity conductor Both phased and neutral wire Phase wire Neutral wire Earth continuity conductor ANSWER DOWNLOAD EXAMIANS APP
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