DGVCL Exam Paper (12-06-2016) Transformer has _____ Primary winding and secondary winding None of these Primary winding and Auxiliary winding Auxiliary winding and secondary winding Primary winding and secondary winding None of these Primary winding and Auxiliary winding Auxiliary winding and secondary winding ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) SF₆ gas: Has pungent smell Is yellow in colour Is lighter than air Is nontoxic Has pungent smell Is yellow in colour Is lighter than air Is nontoxic ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Earthing switch is used for? All of these Protection of equipment from ground faults Discharging residual energies Measuring of safety voltage All of these Protection of equipment from ground faults Discharging residual energies Measuring of safety voltage ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following formula is correct: Load facto r= Average load for a period/Peak load for the same period All of these Load factor = Average load for a period + Peak load for the same period Load factor = Average load for a period x Peak load for the same period Load facto r= Average load for a period/Peak load for the same period All of these Load factor = Average load for a period + Peak load for the same period Load factor = Average load for a period x Peak load for the same period ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) As per Electricity Act, _____ means any line which is used for carrying electricity for any purpose. Electric line All of these None of these Transmission line Electric line All of these None of these Transmission line 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 Transformer may start to smoke and burn Eddy Current and Hysteresis losses will be excessive No effect Current will be too much high Transformer may start to smoke and burn Eddy Current and Hysteresis losses will be excessive No effect ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Core loss of transformer = Hysteresis loss + eddy current lossHysteresis loss prpotional to feddy current loss prpotional to f².
EXAMIANS