DGVCL Exam Paper (11-12-2011) Under operating conditions, the secondary of a current transformer is always short ciruited because It avoids core saturation and high voltage induction It protects the secondary ciruits It is safe to human beings It protects the primary ciruits It avoids core saturation and high voltage induction It protects the secondary ciruits It is safe to human beings It protects the primary ciruits ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Bulk power transmission over long HVDC lines are preferred on account of Simple protection Low cost of HVDC terminals No harmonic problems Minimum line power losses Simple protection Low cost of HVDC terminals No harmonic problems Minimum line power losses ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The bus bar zone faults are generally Single line to ground faults Three phase short ciruits Phase to phase faults Double line to ground faults Single line to ground faults Three phase short ciruits Phase to phase faults Double line to ground faults ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) A fuse is inserted in Phase wire Both phased and neutral wire Neutral wire Earth continuity conductor Phase wire Both phased and neutral wire Neutral wire Earth continuity conductor ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Transposition of transmission line is done to Reduce skin effect Reduce corona Balance line voltage drop Reduce line loss Reduce skin effect Reduce corona Balance line voltage drop Reduce line loss ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Reactance relay is used to protect against Phase faults only Over voltage faults Earth faults only Both phase and earth faults Phase faults only Over voltage faults Earth faults only Both phase and earth faults ANSWER DOWNLOAD EXAMIANS APP