DGVCL Exam Paper (12-06-2016) Admittance relay is _____ relay. Impedance Directional None of these Non-directional Impedance Directional None of these Non-directional ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) What will happen if the primary of a transformer is connected to DC supply? Transformer will operate with high efficiency No effect Transformer may start to smoke and burn Transformer will operate with low efficiency Transformer will operate with high efficiency No effect Transformer may start to smoke and burn Transformer will operate with low efficiency ANSWER EXPLANATION DOWNLOAD EXAMIANS APP transformer works on principle of faraday's law of electromagnetic induction. So if D.C supply use, no indction are produced and due to this E.M.F not induced in winding and transfer of electrical energy is not possible.
DGVCL Exam Paper (12-06-2016) A fuse wire should have : High specific resistance and low melting point Low specific resistance and high melting point Low specific resistance and low melting point High specific resistance and high melting point High specific resistance and low melting point Low specific resistance and high melting point Low specific resistance and low melting point High specific resistance and high melting point ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following is/are the characteristics of SF₆ circuit breakers: Short break time of 2 to 2.5 cycles None of these All of these It does not need an auxiliary breaking chamber Short break time of 2 to 2.5 cycles None of these All of these It does not need an auxiliary breaking chamber ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) _____ electric power is the most common method used by electrical grids to transfer power Three-phase One-phase Two-phase None of these Three-phase One-phase Two-phase None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) For cost & safety, the outdoor substations are installed for voltages above: 110 kV 33 kV 11 kV 60 kV 110 kV 33 kV 11 kV 60 kV ANSWER DOWNLOAD EXAMIANS APP
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