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
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 There is a repelling force between the conductors The force increases when the distance between the conductors is decreased The force increases when the distance between the conductors is increased There is an attracting force between the conductors There is a repelling force between the conductors The force increases when the distance between the conductors is decreased The force increases when the distance between the conductors is increased ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Which lightning stroke is most dangerous? Indirect stroke on conductor Direct stroke on ground wire Direct stoke on tower top Direct stroke on line conductor Indirect stroke on conductor Direct stroke on ground wire Direct stoke on tower top Direct stroke on line conductor ANSWER DOWNLOAD EXAMIANS APP
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 50 25 10 15 50 25 10 15 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The form factor in AC means the ration of R.M.S. value to average value R.M.S. value to peak value Peak value to r.m.s value Peak value to average value R.M.S. value to average value R.M.S. value to peak value Peak value to r.m.s value Peak value to average value ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Permittivity is expressed in terms of Farad/m farad/sq. m. Weber /m N/m Farad/m farad/sq. m. Weber /m N/m ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS