DGVCL Exam Paper (12-06-2016) Efficiency of a power transformer is of the order of : 1 0.5 0.98 0.25 1 0.5 0.98 0.25 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The core construction is like spokes of a wheel in following transformer: Core Type Transformer None of these Shell Type Transformer Berry Type Transformer Core Type Transformer None of these Shell Type Transformer Berry Type Transformer ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following is a Transmission Company: MGVCL GETCO DGVCL GERC MGVCL GETCO DGVCL GERC ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which unit holds data permanently? Secondary storage unit Primary Memory Unit Output Unit Input unit Secondary storage unit Primary Memory Unit Output Unit Input unit ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) _____ electric power is the most common method used by electrical grids to transfer power None of these Two-phase Three-phase One-phase None of these Two-phase Three-phase One-phase ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) What will happen if the primary of a transformer is connected to DC supply? 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 Transformer will operate with high 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.
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