DGVCL Exam Paper (12-06-2016) The number of cycles in which a high speed circuit breaker can complete its operation is 10 to 18 20 to 30 3 to 8 40 to 50 10 to 18 20 to 30 3 to 8 40 to 50 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which of the following is the product of data processing: System Information Software programme Data System Information Software programme Data ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following formula is correct: Load facto r= Average load for a period/Peak load for the same period All of these Load factor = Average load for a period + Peak load for the same period Load factor = Average load for a period x Peak load for the same period Load facto r= Average load for a period/Peak load for the same period All of these Load factor = Average load for a period + Peak load for the same period Load factor = Average load for a period x Peak load for the same period ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) DGVCL is not distributing electricity in _____ district. Valsad Tapi Navsari Vadodara Valsad Tapi Navsari Vadodara 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: Current will be too much high No effect Eddy Current and Hysteresis losses will be excessive Transformer may start to smoke and burn Current will be too much high No effect Eddy Current and Hysteresis losses will be excessive Transformer may start to smoke and burn 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) A certain transformer has 200 turns in the primary winding, 50 turns in the secondary winding and 120 volts applied to the primary. What is the voltage across the secondary? 30 Volts 60 Volts 120 Volts 480 Volts 30 Volts 60 Volts 120 Volts 480 Volts ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For transformer, V2/V1 = N2/N1V2/120 = 50/200V2 = 30 V
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