DGVCL Exam Paper (12-06-2016) Gujarat State Electricity Corp. Ltd. (GSECL) is a _____ Regulatory Commission Power Generation Company Transmission Company Distribution Company Regulatory Commission Power Generation Company Transmission Company Distribution Company ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Distribuition Companies: PGVCL, MGVCL, UGVCL, DGVCLTransmission: GETCOGeneration: GSECL
DGVCL Exam Paper (12-06-2016) In a transformer the energy is conveyed from primary to secondary Through cooling coil Through air By the flux None of these Through cooling coil Through air By the flux 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 cost & safety, the outdoor substations are installed for voltages above: 33 kV 11 kV 110 kV 60 kV 33 kV 11 kV 110 kV 60 kV ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) As per Electricity Act, _____ means a person who has been granted a license to undertake trading in electricity under section 12. Electricity supplier None of these Electricity trader All of these Electricity supplier None of these Electricity trader All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) For a 66 kV line having span of 200 meters between towers the approximate sag will be 2 m. If the span is double the sag will be: 2 m 4 m 8 m 1 m 2 m 4 m 8 m 1 m 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: Current will be too much high Eddy Current and Hysteresis losses will be excessive No effect Transformer may start to smoke and burn Current will be too much high Eddy Current and Hysteresis losses will be excessive No effect Transformer may start to smoke and burn ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Core loss of transformer = Hysteresis loss + eddy current lossHysteresis loss prpotional to feddy current loss prpotional to f².