DGVCL Exam Paper (12-06-2016) Earthing switch is used for? Discharging residual energies All of these Measuring of safety voltage Protection of equipment from ground faults Discharging residual energies All of these Measuring of safety voltage Protection of equipment from ground faults 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) The Minimum Oil Circuit Breaker (MOCB) is named because of : Reduced requirement of air All of these Reduced requirement of oil None of these Reduced requirement of air All of these Reduced requirement of oil None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following formula is correct: 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 Load facto r= Average load for a period/Peak load for the same period All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) As per Electricity Act, _____ means a process which simultaneously produces two or more forms of useful energy (including electricity). Captive Power Plant None of these Power generation Cogeneration Captive Power Plant None of these Power generation Cogeneration ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In a transmission line if booster transformers are to be used, preferred location will be At the intermediate point At the sending end At the receiving end Anywhere in the line At the intermediate point At the sending end At the receiving end Anywhere in the line ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS