DGVCL Exam Paper (12-06-2016) Taskbar is used for Switching between program All of above Start a program Navigation program Switching between program All of above Start a program Navigation program ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A certain transformer has 200 turns in the primary winding, 50 turns in the secondary winding and 120 volts applied to the primary. What is the voltage across the secondary? 120 Volts 30 Volts 480 Volts 60 Volts 120 Volts 30 Volts 480 Volts 60 Volts ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For transformer, V2/V1 = N2/N1V2/120 = 50/200V2 = 30 V
DGVCL Exam Paper (12-06-2016) Transformer core is laminated to _____ Reduce all above losses Reduce copper losses Reduce hysteresis loss Reduce eddy current losses Reduce all above losses Reduce copper losses Reduce hysteresis loss Reduce eddy current losses ANSWER EXPLANATION DOWNLOAD EXAMIANS APP To reduce eddy current loss laminations is done.To reduce hysteresis loss good magnetic material (whose specific hysterisis loss is low) is used.
DGVCL Exam Paper (12-06-2016) The rating of transformer may be expressed in _____ kVAR kVA Horse power kW kVAR kVA Horse power kW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equipment : RatingTransformer : kVAAlternator : kVAMotor : kW/HPBattery : ampere-hour
DGVCL Exam Paper (12-06-2016) SF₆ gas: Has pungent smell Is yellow in colour Is nontoxic Is lighter than air Has pungent smell Is yellow in colour Is nontoxic Is lighter than air ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A relay used for protection of motors against overload is : Impedance relay Electromagnetic attraction type Buchholz's relay Thermal relay Impedance relay Electromagnetic attraction type Buchholz's relay Thermal relay ANSWER DOWNLOAD EXAMIANS APP
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