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 All of these Poor voltage regulation High energy loss in conductor High cost of station and distribution equipment All of these Poor voltage regulation ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Wave trap is used to trap waves of: Higher frequencies entering generator or transformer units Power frequencies None of these All of these Higher frequencies entering generator or transformer units Power frequencies None of these All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In fuel cell the _____ energy is converted into electrical energy. Heat Chemical Mechanical Sound Heat Chemical Mechanical Sound 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 will operate with high efficiency Transformer will operate with low efficiency Transformer may start to smoke and burn No effect Transformer will operate with high efficiency Transformer will operate with low efficiency Transformer may start to smoke and burn 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 cost & safety, the outdoor substations are installed for voltages above: 11 kV 110 kV 60 kV 33 kV 11 kV 110 kV 60 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) kWh meter is the electric meter that measures the amount of electrical _____ in kWh that was consumed in the house. Current Voltage None of these Energy Current Voltage None of these Energy ANSWER DOWNLOAD EXAMIANS APP
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