DGVCL Exam Paper (12-06-2016) Directional relays are based on flow of Current All of these Power Voltage Current All of these Power Voltage ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) _____ are used where it is necessary to control a circuit by a low power signal. Relays Electric Motor None of these Transformer Relays Electric Motor None of these Transformer ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Isolator in substation is open under _____ condition. None of these Short circuit Full load No load None of these Short circuit 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) 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: 4 m 2 m 8 m 1 m 4 m 2 m 8 m 1 m ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A circuit breaker is designed to protect an electrical circuit from damage caused by : Over load Over current Short circuit All of these Over load Over current Short circuit All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In a transformer the energy is conveyed from primary to secondary None of these Through air Through cooling coil By the flux None of these Through air Through cooling coil By the flux ANSWER EXPLANATION DOWNLOAD EXAMIANS APP function of transfomer is that transfer electrical energy from primary cicuit to secondary through magnetic cicuit by mutual induction
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