DGVCL Exam Paper (12-06-2016) For 11 kV line the inductance per km per phase will be of the order of: 0.1 mH 0.1 H 1 H 1 mH 0.1 mH 0.1 H 1 H 1 mH 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: No effect Transformer may start to smoke and burn Eddy Current and Hysteresis losses will be excessive Current will be too much high No effect Transformer may start to smoke and burn Eddy Current and Hysteresis losses will be excessive Current will be too much high ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Core loss of transformer = Hysteresis loss + eddy current lossHysteresis loss prpotional to feddy current loss prpotional to f².
DGVCL Exam Paper (12-06-2016) In case the height of transmission tower is increased, which of the following parameter is likely to change? None of these Capacitance Inductance Resistance None of these Capacitance Inductance Resistance ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The number of cycles in which a high speed circuit breaker can complete its operation is 3 to 8 10 to 18 20 to 30 40 to 50 3 to 8 10 to 18 20 to 30 40 to 50 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) For 11 kV line the capacitance per km per phase will be of the order of: 0.01 microF 0.01 Farad 0.1 Farad 1 Farad 0.01 microF 0.01 Farad 0.1 Farad 1 Farad 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: 2 m 1 m 4 m 8 m 2 m 1 m 4 m 8 m ANSWER DOWNLOAD EXAMIANS APP
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