DGVCL Exam Paper (12-06-2016) Which of the following does not change in a transformer? All of these Voltage Frequency Current All of these Voltage Frequency 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) Which unit holds data permanently? Secondary storage unit Primary Memory Unit Input unit Output Unit Secondary storage unit Primary Memory Unit Input unit Output Unit ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A relay used for protection of motors against overload is : Impedance relay Thermal relay Buchholz's relay Electromagnetic attraction type Impedance relay Thermal relay Buchholz's relay Electromagnetic attraction type 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: 8 m 4 m 2 m 1 m 8 m 4 m 2 m 1 m ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) kWh meter is the electric meter that measures the amount of electrical _____ in kWh that was consumed in the house. Current None of these Voltage Energy Current None of these Voltage Energy 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 Two-phase One-phase None of these Three-phase Two-phase One-phase None of these ANSWER DOWNLOAD EXAMIANS APP
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