DGVCL Exam Paper (12-06-2016) Wave trap is used to trap waves of: Power frequencies None of these All of these Higher frequencies entering generator or transformer units Power frequencies None of these All of these Higher frequencies entering generator or transformer units ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The kVA rating of Three-phase transformer with Voltage = 200 V and Current = 100 A will be : 20 kVA 34.64 kVA None of these 75 kVA 20 kVA 34.64 kVA None of these 75 kVA ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For three phase,VA = √3 V IFor single phase, kVA = V I
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) Efficiency of a power transformer is of the order of : 0.98 1 0.25 0.5 0.98 1 0.25 0.5 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A relay used for protection of motors against overload is : Thermal relay Buchholz's relay Impedance relay Electromagnetic attraction type Thermal relay Buchholz's relay Impedance relay Electromagnetic attraction type ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following is a Distribution Company: MGVCL CSERC DERC GERC MGVCL CSERC DERC GERC ANSWER DOWNLOAD EXAMIANS APP
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