DGVCL Exam Paper (12-06-2016) The permissible voltage variation in transmission and distribution system is: ±10% ± 0.1% ± 25% ± 1% ±10% ± 0.1% ± 25% ± 1% ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This answer is as per official key of respective exam.
DGVCL Exam Paper (12-06-2016) The time of closing the cycle, in modern circuit breakers is 0.1 sec. 0.001 sec. 0.01 sec. 0.003 sec. 0.1 sec. 0.001 sec. 0.01 sec. 0.003 sec. 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 All of these None of these Power frequencies Higher frequencies entering generator or transformer units All of these None of these Power frequencies ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) _____ are used where it is necessary to control a circuit by a low power signal. Electric Motor Relays Transformer None of these Electric Motor Relays Transformer None of these 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 : 34.64 kVA 75 kVA 20 kVA None of these 34.64 kVA 75 kVA 20 kVA None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For three phase,VA = √3 V IFor single phase, kVA = V I
DGVCL Exam Paper (12-06-2016) For a 66 kV line having span of 200 meters between towers the approximate sag will be 2 m. If the span is double the sag will be: 1 m 4 m 2 m 8 m 1 m 4 m 2 m 8 m ANSWER DOWNLOAD EXAMIANS APP