DGVCL Exam Paper (12-06-2016) _____ electric power is the most common method used by electrical grids to transfer power One-phase None of these Three-phase Two-phase One-phase None of these Three-phase Two-phase ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Transformer core is laminated to _____ Reduce eddy current losses Reduce hysteresis loss Reduce all above losses Reduce copper losses Reduce eddy current losses Reduce hysteresis loss Reduce all above losses Reduce copper 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) Which of the following is not a part of transformer installation? Buchholz Relay Breather Conservator Exciter Buchholz Relay Breather Conservator Exciter ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Exciter is used in alternator for field supply.
DGVCL Exam Paper (12-06-2016) Transformer has _____ None of these Auxiliary winding and secondary winding Primary winding and Auxiliary winding Primary winding and secondary winding None of these Auxiliary winding and secondary winding Primary winding and Auxiliary winding Primary winding and secondary winding ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The kVA rating of Three-phase transformer with Voltage = 200 V and Current = 100 A will be : 34.64 kVA None of these 75 kVA 20 kVA 34.64 kVA None of these 75 kVA 20 kVA ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For three phase,VA = √3 V IFor single phase, kVA = V I
DGVCL Exam Paper (12-06-2016) The following is a Distribution Company: MGVCL GERC CSERC DERC MGVCL GERC CSERC DERC ANSWER DOWNLOAD EXAMIANS APP
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