DGVCL Exam Paper (11-12-2011) The positive and negative sequence impedance of a transmission line are Equal Zero Infinite Different Equal Zero Infinite Different ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) A device connected to the computer which converts digital signals to analog and vice-versa is Modem CPU Keyboard UPS Modem CPU Keyboard UPS ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Reactance relay is used to protect against Phase faults only 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 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) In which of the following motors, the stator and rotor magnetic fields rotate at the same speed? Synchronous motor Reluctance motor Universal motor Induction motor Synchronous motor Reluctance motor Universal motor Induction motor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In all machine stator and rotor magnetic field rotates (stationary with respect to each other) at synchronous speed with respect to stationary observer.
DGVCL Exam Paper (11-12-2011) If a relay fails to operate inspite of a fault in its own zone of protection, it is said to Under reach Pick up Reach Over reach Under reach Pick up Reach Over reach ANSWER DOWNLOAD EXAMIANS APP
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 Restrike Decrease in size Increase in size Extinguish Restrike Decrease in size Increase in size Extinguish ANSWER DOWNLOAD EXAMIANS APP
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