DGVCL Exam Paper (12-06-2016) The following is/are the characteristics of SF₆ circuit breakers: It does not need an auxiliary breaking chamber All of these Short break time of 2 to 2.5 cycles None of these It does not need an auxiliary breaking chamber All of these Short break time of 2 to 2.5 cycles None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which unit holds data permanently? Secondary storage unit Output Unit Primary Memory Unit Input unit Secondary storage unit Output Unit Primary Memory Unit Input unit ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following is not a Regulatory Commission: CSERC DGVCL BERC GERC CSERC DGVCL BERC GERC ANSWER EXPLANATION DOWNLOAD EXAMIANS APP DGVCL is distribution company.
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 Transformer may start to smoke and burn Transformer will operate with low efficiency No effect Transformer will operate with high efficiency Transformer may start to smoke and burn Transformer will operate with low efficiency No effect 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) For 11 kV line the capacitance per km per phase will be of the order of: 0.1 Farad 1 Farad 0.01 microF 0.01 Farad 0.1 Farad 1 Farad 0.01 microF 0.01 Farad ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The main disadvantages of having poor power factors are: High energy loss in conductor High cost of station and distribution equipment Poor voltage regulation All of these High energy loss in conductor High cost of station and distribution equipment Poor voltage regulation All of these ANSWER DOWNLOAD EXAMIANS APP