DGVCL Exam Paper (12-06-2016) The arc temperature in Oil Circuit Breaker may reach up to _____ 10,000° K 5,000° K None of these 8,000° K 10,000° K 5,000° K None of these 8,000° K ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The voltage of transmission can be regulated by Use of capacitors to neutralize the effect of series reactance Switching in shunt capacitors at the receiving end during heavy loads Any of the above methods Use of tap changing transformers Use of capacitors to neutralize the effect of series reactance Switching in shunt capacitors at the receiving end during heavy loads Any of the above methods Use of tap changing transformers ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Step-down transformer converts high voltage and low current into: Low voltage and high current High voltage and low current None of these How voltage and high current Low voltage and high current High voltage and low current None of these How voltage and high current 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) Isolator in substation is open under _____ condition. No load None of these Short circuit Full load No load None of these Short circuit Full load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Isolators do not have capacity to make or breake circuit when current flowing in circuit
DGVCL Exam Paper (12-06-2016) For cost & safety, the outdoor substations are installed for voltages above: 110 kV 60 kV 11 kV 33 kV 110 kV 60 kV 11 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following is correct : All of these P = VxI P = V²/R P = I²xR All of these P = VxI P = V²/R P = I²xR ANSWER EXPLANATION DOWNLOAD EXAMIANS APP True for DC Circuits.For single pahse ac P = V I CosØ
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