DGVCL Exam Paper (12-06-2016) What will happen if the primary of a transformer is connected to DC supply? Transformer may start to smoke and burn Transformer will operate with high efficiency No effect Transformer will operate with low efficiency Transformer may start to smoke and burn Transformer will operate with high efficiency No effect 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) The time of closing the cycle, in modern circuit breakers is 0.01 sec. 0.1 sec. 0.003 sec. 0.001 sec. 0.01 sec. 0.1 sec. 0.003 sec. 0.001 sec. ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The main disadvantages of having poor power factors are: Poor voltage regulation High cost of station and distribution equipment High energy loss in conductor All of these Poor voltage regulation High cost of station and distribution equipment High energy loss in conductor All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Gujarat State Electricity Corp. Ltd. (GSECL) is a _____ Power Generation Company Distribution Company Transmission Company Regulatory Commission Power Generation Company Distribution Company Transmission Company Regulatory Commission ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Distribuition Companies: PGVCL, MGVCL, UGVCL, DGVCLTransmission: GETCOGeneration: GSECL
DGVCL Exam Paper (12-06-2016) SF₆ gas: Is yellow in colour Is nontoxic Has pungent smell Is lighter than air Is yellow in colour Is nontoxic Has pungent smell Is lighter than air ANSWER DOWNLOAD EXAMIANS APP
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