DGVCL Exam Paper (11-12-2011) In a series RLC circuit at resonance Current is minimum and power factor is 0.5 Current is maximum and power factor is unity Current is minimum and power factor is unity Current is maximum and power factor is 0.5 Current is minimum and power factor is 0.5 Current is maximum and power factor is unity Current is minimum and power factor is unity Current is maximum and power factor is 0.5 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Bulk power transmission over long HVDC lines are preferred on account of Simple protection No harmonic problems Minimum line power losses Low cost of HVDC terminals Simple protection No harmonic problems Minimum line power losses Low cost of HVDC terminals ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) A fuse is inserted in Both phased and neutral wire Earth continuity conductor Neutral wire Phase wire Both phased and neutral wire Earth continuity conductor Neutral wire Phase wire ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) In the protection of transformers, harmonic restraint is used to guard against Lightning Switching over voltages Magnetizing inrush current Unbalanced protection Lightning Switching over voltages Magnetizing inrush current Unbalanced protection ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Initial inrush of magnetizing currents have high component of even and odd harmonics.2nd - 63%3rd -26.8%4th- 5.1%5th- 4.1%6th- 3.77th-2.4
DGVCL Exam Paper (11-12-2011) The picture on the monitor of a computer is made up of tiny coloured dots called Icons Spots Points Pixels Icons Spots Points Pixels ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Hysteresis in an instrument means The repeatability of the instrument The change in the same reading when the input is first increased and then decreased The inaccuracy due to change in temperature The reliability of the instrument The repeatability of the instrument The change in the same reading when the input is first increased and then decreased The inaccuracy due to change in temperature The reliability of the instrument ANSWER DOWNLOAD EXAMIANS APP
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