DGVCL Exam Paper (11-12-2011) Bulk power transmission over long HVDC lines are preferred on account of Low cost of HVDC terminals Minimum line power losses Simple protection No harmonic problems Low cost of HVDC terminals Minimum line power losses Simple protection No harmonic problems ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The purpose of interpoles in DC machines is to nullify The cross-magnetizing effect of armature mmf The demagnetizing effect of armature mmf Both the cross-magnetizing mmf and the reactance voltage The reactance voltage The cross-magnetizing effect of armature mmf The demagnetizing effect of armature mmf Both the cross-magnetizing mmf and the reactance voltage The reactance voltage ANSWER EXPLANATION DOWNLOAD EXAMIANS APP interpoles is widely use to improve commutationplace between main poles fitted to yokefunctions:to neutralize armature mmf in commutating zoneto produce some flux in commutating zone
DGVCL Exam Paper (11-12-2011) If the dielectric strength of the medium between the contacts builds up more rapidly than the restriking voltage the arc will Extinguish Decrease in size Restrike Increase in size Extinguish Decrease in size Restrike Increase in size ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Permittivity is expressed in terms of farad/sq. m. Farad/m N/m Weber /m farad/sq. m. Farad/m N/m Weber /m ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) A fuse is inserted in Neutral wire Both phased and neutral wire Earth continuity conductor Phase wire Neutral wire Both phased and neutral wire Earth continuity conductor Phase wire ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) People can interact with each other through any part of the world through video conferencing using Scanner Joystick Webcam Speaker Scanner Joystick Webcam Speaker ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS