DGVCL Exam Paper (11-12-2011) The best location of the power factor correction equipment to be installed in the transmission line is at Middle of the line Any place The receiving end The sending end Middle of the line Any place The receiving end The sending end ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The efficiency of a transformer at full load, 0.8 p.f. lag is 90%. Its efficiency at full load, 0.8 p.f. lead will be 80 % Less than 90% 90 % More than 90% 80 % Less than 90% 90 % More than 90% ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Efficiency= output power/input powerefficiency = (v*i*cosφ)/((v*i*cosφ)+(x² Pc)+(Pi)) x=fractional part of full load
DGVCL Exam Paper (11-12-2011) People can interact with each other through any part of the world through video conferencing using Speaker Webcam Scanner Joystick Speaker Webcam Scanner Joystick ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) A Mho relay is a Directional restrained over current relay Voltage controlled over current relay Voltage restrained directional relay Directional restrained over voltage relay Directional restrained over current relay Voltage controlled over current relay Voltage restrained directional relay Directional restrained over voltage relay 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 Low cost of HVDC terminals Minimum line power losses Simple protection No harmonic problems Low cost of HVDC terminals Minimum line power losses ANSWER DOWNLOAD EXAMIANS APP
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