DGVCL Exam Paper (11-12-2011) The positive and negative sequence impedance of a transmission line are Zero Different Infinite Equal Zero Different Infinite Equal ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Which type of back up protection is widely used for the protection of transmission lines? Remote backup Control backup Breaker backup Relay backup Remote backup Control backup Breaker backup Relay backup ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Reactance relay is used to protect against Over voltage faults Earth faults only Both phase and earth faults Phase faults only Over voltage faults Earth faults only Both phase and earth faults Phase faults only ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The purpose of interpoles in DC machines is to nullify The reactance voltage The cross-magnetizing effect of armature mmf Both the cross-magnetizing mmf and the reactance voltage The demagnetizing effect of armature mmf The reactance voltage The cross-magnetizing effect of armature mmf Both the cross-magnetizing mmf and the reactance voltage The demagnetizing effect of armature mmf 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) A device connected to the computer which converts digital signals to analog and vice-versa is UPS CPU Modem Keyboard UPS CPU Modem Keyboard ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Which of the following power distribution system gives better reliabity ? Ring main system Radial system None of these DC 3 wire system Ring main system Radial system None of these DC 3 wire system ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS