DGVCL Exam Paper (12-06-2016) In a transformer the energy is conveyed from primary to secondary Through cooling coil By the flux Through air None of these Through cooling coil By the flux Through air None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP function of transfomer is that transfer electrical energy from primary cicuit to secondary through magnetic cicuit by mutual induction
DGVCL Exam Paper (12-06-2016) For 11 kV line the capacitance per km per phase will be of the order of: 0.1 Farad 1 Farad 0.01 microF 0.01 Farad 0.1 Farad 1 Farad 0.01 microF 0.01 Farad ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) What would happen if a power transformer designed for operation on 50 Hz (frequency) were connected to a 500 Hz (frequency) source of the same voltage: No effect Transformer may start to smoke and burn Eddy Current and Hysteresis losses will be excessive Current will be too much high No effect Transformer may start to smoke and burn Eddy Current and Hysteresis losses will be excessive Current will be too much high ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Core loss of transformer = Hysteresis loss + eddy current lossHysteresis loss prpotional to feddy current loss prpotional to f².
DGVCL Exam Paper (12-06-2016) The following is a Transmission Company: MGVCL GETCO DGVCL GERC MGVCL GETCO DGVCL GERC ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which of the following is not a part of transformer installation? Exciter Buchholz Relay Conservator Breather Exciter Buchholz Relay Conservator Breather ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Exciter is used in alternator for field supply.
DGVCL Exam Paper (12-06-2016) Taskbar is used for Switching between program Navigation program Start a program All of above Switching between program Navigation program Start a program All of above ANSWER DOWNLOAD EXAMIANS APP
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