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? 480 Volts 30 Volts 120 Volts 60 Volts 480 Volts 30 Volts 120 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) The core construction is like spokes of a wheel in following transformer: Shell Type Transformer Core Type Transformer Berry Type Transformer None of these Shell Type Transformer Core Type Transformer Berry Type Transformer None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Directional relays are based on flow of Power All of these Current Voltage Power All of these Current Voltage ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Core type transformers are popular in _____ Low voltage applications None of these High voltage applications All of these Low voltage applications None of these High voltage applications All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following formula is correct: Load factor = Average load for a period + Peak load for the same period Load facto r= Average load for a period/Peak load for the same period Load factor = Average load for a period x Peak load for the same period All of these Load factor = Average load for a period + Peak load for the same period Load facto r= Average load for a period/Peak load for the same period Load factor = Average load for a period x Peak load for the same period All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In India _____ supply is 415 V supply through 4-wires. Single - phase Two-phase None of these Three - phase Single - phase Two-phase None of these Three - phase ANSWER DOWNLOAD EXAMIANS APP