DGVCL Exam Paper (12-06-2016) In India _____ supply is 415 V supply through 4-wires. None of these Single - phase Two-phase Three - phase None of these Single - phase Two-phase Three - phase ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) For cost & safety, the outdoor substations are installed for voltages above: 33 kV 60 kV 11 kV 110 kV 33 kV 60 kV 11 kV 110 kV ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The relay operating speed depends upon Armature core air gap The rate of flux built up All of these The spring tension Armature core air gap The rate of flux built up All of these The spring tension ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) _____ are used where it is necessary to control a circuit by a low power signal. Electric Motor Transformer None of these Relays Electric Motor Transformer None of these Relays ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Transformer core is laminated to _____ Reduce copper losses Reduce hysteresis loss Reduce eddy current losses Reduce all above losses Reduce copper losses Reduce hysteresis loss Reduce eddy current losses Reduce all above losses ANSWER EXPLANATION DOWNLOAD EXAMIANS APP To reduce eddy current loss laminations is done.To reduce hysteresis loss good magnetic material (whose specific hysterisis loss is low) is used.
DGVCL Exam Paper (12-06-2016) Isolator in substation is open under _____ condition. No load None of these Full load Short circuit No load None of these Full load Short circuit ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Isolators do not have capacity to make or breake circuit when current flowing in circuit
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