DGVCL Exam Paper (12-06-2016) A Transformer _____ Steps up or down AC Voltages & Current Changes DC to AC Changes AC to DC Steps up or down DC Voltages & Current Steps up or down AC Voltages & Current Changes DC to AC Changes AC to DC Steps up or down DC Voltages & Current ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The kVA rating of Three-phase transformer with Voltage = 200 V and Current = 100 A will be : None of these 20 kVA 75 kVA 34.64 kVA None of these 20 kVA 75 kVA 34.64 kVA ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For three phase,VA = √3 V IFor single phase, kVA = V I
DGVCL Exam Paper (12-06-2016) If 3000 kW power is to be transmitted over a distance of 30 km, the desirable transmission voltage will be 11 kV 66 kV 33 kV 132 kV 11 kV 66 kV 33 kV 132 kV ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In case the height of transmission tower is increased, which of the following parameter is likely to change? Inductance Capacitance Resistance None of these Inductance Capacitance Resistance None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A relay used for protection of motors against overload is : Electromagnetic attraction type Buchholz's relay Impedance relay Thermal relay Electromagnetic attraction type Buchholz's relay Impedance relay Thermal relay ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) _____ electric power is the most common method used by electrical grids to transfer power One-phase Two-phase None of these Three-phase One-phase Two-phase None of these Three-phase ANSWER DOWNLOAD EXAMIANS APP
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