DGVCL Exam Paper (12-06-2016) Cylindrical type transformer has: Double magnetic circuit None of these All of these Single magnetic circuit Double magnetic circuit None of these All of these Single magnetic circuit 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? 30 Volts 480 Volts 60 Volts 120 Volts 30 Volts 480 Volts 60 Volts 120 Volts ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For transformer, V2/V1 = N2/N1V2/120 = 50/200V2 = 30 V
DGVCL Exam Paper (12-06-2016) Taskbar is used for Navigation program All of above Switching between program Start a program Navigation program All of above Switching between program Start a program ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Transformer core is laminated to _____ Reduce eddy current losses Reduce all above losses Reduce hysteresis loss Reduce copper losses Reduce eddy current losses Reduce all above losses Reduce hysteresis loss Reduce copper 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) Reactance relay is used for protection against: None of these Earth fault Over voltage fault Phase fault None of these Earth fault Over voltage fault Phase fault ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) An _____ is a network of electrical components used to supply, transfer and use electric power: Electric power All of these None of these Electric power system Electric power All of these None of these Electric power system ANSWER DOWNLOAD EXAMIANS APP
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