DGVCL Exam Paper (12-06-2016) The following is not a Regulatory Commission: DGVCL BERC CSERC GERC DGVCL BERC CSERC GERC ANSWER EXPLANATION DOWNLOAD EXAMIANS APP DGVCL is distribution company.
DGVCL Exam Paper (12-06-2016) As per Electricity Act, _____ means any line which is used for carrying electricity for any purpose. None of these Transmission line All of these Electric line None of these Transmission line All of these Electric line ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which of the following circuit breakers has high reliability & minimum maintenance? Bulk oil type CB Air blast CB Vacuum CB Sulphur hexafluoride CB Bulk oil type CB Air blast CB Vacuum CB Sulphur hexafluoride CB ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) _____ electric power is the most common method used by electrical grids to transfer power None of these Three-phase One-phase Two-phase None of these Three-phase One-phase Two-phase ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In a transformer the energy is conveyed from primary to secondary By the flux None of these Through air Through cooling coil By the flux None of these Through air Through cooling coil 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) 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 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 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Core loss of transformer = Hysteresis loss + eddy current lossHysteresis loss prpotional to feddy current loss prpotional to f².