DGVCL Exam Paper (12-06-2016) Induction cup relay is operated due to changes in : Voltage All of these Current Impedance Voltage All of these Current Impedance ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Isolator in substation is open under _____ condition. Short circuit None of these Full load No load Short circuit None of these Full load No load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Isolators do not have capacity to make or breake circuit when current flowing in circuit
DGVCL Exam Paper (12-06-2016) The Electricity Act is an Act of _____of India enacted to transform the power sector in India. A State resolution The Parliament None of these All of these A State resolution The Parliament None of these All 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 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 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) For 11 kV line the inductance per km per phase will be of the order of: 0.1 mH 1 H 1 mH 0.1 H 0.1 mH 1 H 1 mH 0.1 H 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: 1 Farad 0.01 microF 0.01 Farad 0.1 Farad 1 Farad 0.01 microF 0.01 Farad 0.1 Farad ANSWER DOWNLOAD EXAMIANS APP
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