DGVCL Exam Paper (11-12-2011) The picture on the monitor of a computer is made up of tiny coloured dots called Spots Icons Pixels Points Spots Icons Pixels Points ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) If the voltage at the two ends of a line are 132 kV, and its reactance is 40 Ω, the stability limit of the line is 435.6 MW 217.8 MW 500 MW 251.5 MW 435.6 MW 217.8 MW 500 MW 251.5 MW 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 90 % Less than 90% More than 90% 80 % 90 % Less than 90% More than 90% 80 % 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) If the fault current is 2000 A, the relay plug setting is 50% and the CT ratio is 400/5, the plug setting multiple will be 10 15 25 50 10 15 25 50 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The mutual inductance between two unity coupled coils of 9 H and 4 H is 13 H 36 H 6 H 2.2 H 13 H 36 H 6 H 2.2 H ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Two parallel conductors are carrying the current in the same direction. Which of the following statements is correct? There is an attracting force between the conductors The force increases when the distance between the conductors is decreased There is a repelling force between the conductors The force increases when the distance between the conductors is increased There is an attracting force between the conductors The force increases when the distance between the conductors is decreased There is a repelling force between the conductors The force increases when the distance between the conductors is increased ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS