DGVCL Exam Paper (12-06-2016) Step-down transformer converts high voltage and low current into: How voltage and high current High voltage and low current Low voltage and high current None of these How voltage and high current High voltage and low current Low voltage and high current None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In step up votlage,Output votlage > Input votlageOutput current < Input currentIn step down transformerOutput votlage < Input votlageOutput current > Input current.Power and frequency remains almost constant in stepup or stepdown transformer.
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: 4 m 1 m 8 m 2 m 4 m 1 m 8 m 2 m ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following is a Transmission Company: GERC DGVCL MGVCL GETCO GERC DGVCL MGVCL GETCO ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following formula is correct: All of these Load factor = Average load for a period x 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 + Peak load for the same period All of these Load factor = Average load for a period x 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 + Peak load for the same period ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which of the following is the least expensive protection for over current in low voltage system? Oil Circuit breaker Isolator Air break circuit breaker Rewireable fuse Oil Circuit breaker Isolator Air break circuit breaker Rewireable fuse ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The voltage of transmission can be regulated by Use of tap changing transformers Switching in shunt capacitors at the receiving end during heavy loads Any of the above methods Use of capacitors to neutralize the effect of series reactance Use of tap changing transformers Switching in shunt capacitors at the receiving end during heavy loads Any of the above methods Use of capacitors to neutralize the effect of series reactance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS