DGVCL Exam Paper (12-06-2016) Which of the following does not change in a transformer? Voltage Frequency All of these Current Voltage Frequency All of these Current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In transformer voltage and current can be raised or lowered.Frequency remains samePower and Flux remains almost constant.
DGVCL Exam Paper (12-06-2016) Admittance relay is _____ relay. Non-directional None of these Impedance Directional Non-directional None of these Impedance Directional ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Earthing switch is used for? Measuring of safety voltage Discharging residual energies Protection of equipment from ground faults All of these Measuring of safety voltage Discharging residual energies Protection of equipment from ground faults All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Transformer has _____ 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 None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The problematic pollutants in emission of coal based generating plants _____ SO₂ NOx CO All of these SO₂ NOx CO All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) _____ electric power is the most common method used by electrical grids to transfer power Three-phase None of these One-phase Two-phase Three-phase None of these One-phase Two-phase ANSWER DOWNLOAD EXAMIANS APP
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