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 120 Volts 60 Volts 30 Volts 480 Volts 120 Volts 60 Volts 30 Volts ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For transformer, V2/V1 = N2/N1V2/120 = 50/200V2 = 30 V
DGVCL Exam Paper (12-06-2016) The following is/are the characteristics of SF₆ circuit breakers: All of these It does not need an auxiliary breaking chamber Short break time of 2 to 2.5 cycles None of these All of these It does not need an auxiliary breaking chamber Short break time of 2 to 2.5 cycles None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The main objectives in framing tariff are: The consumers must readily understand the tariffs The tariff must be equitable amongst different consumers Tariffs can be modified from time to time All of these The consumers must readily understand the tariffs The tariff must be equitable amongst different consumers Tariffs can be modified from time to time All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The number of cycles in which a high speed circuit breaker can complete its operation is 3 to 8 10 to 18 20 to 30 40 to 50 3 to 8 10 to 18 20 to 30 40 to 50 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 None of these Power frequencies All of these Higher frequencies entering generator or transformer units None of these Power frequencies All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The permissible voltage variation in transmission and distribution system is: ± 0.1% ± 25% ± 1% ±10% ± 0.1% ± 25% ± 1% ±10% ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This answer is as per official key of respective exam.