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 20 to 30 10 to 18 40 to 50 3 to 8 20 to 30 10 to 18 40 to 50 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) About how many times longer would a 10 watt light bulb be able to burn compared to a 100 watt bulb with the same energy? 100 times longer 10 times longer Same time None of these 100 times longer 10 times longer Same time None of these 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 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 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) Which of the following 3-phase connection of a transformer causes interference with the neighbouring communication lines: Star-Delta Delta-Delta Delta-Star Star-Star Star-Delta Delta-Delta Delta-Star Star-Star ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The consumer of electricity could be: All of these Domestic Industrial and Commercial Agricultural All of these Domestic Industrial and Commercial Agricultural 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: 0.1 Farad 0.01 microF 0.01 Farad 1 Farad 0.1 Farad 0.01 microF 0.01 Farad 1 Farad ANSWER DOWNLOAD EXAMIANS APP
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