DGVCL Exam Paper (12-06-2016) The following is/are the characteristics of SF₆ circuit breakers: All of these Short break time of 2 to 2.5 cycles None of these It does not need an auxiliary breaking chamber All of these Short break time of 2 to 2.5 cycles None of these It does not need an auxiliary breaking chamber 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? Air break circuit breaker Isolator Rewireable fuse Oil Circuit breaker Air break circuit breaker Isolator Rewireable fuse Oil Circuit breaker ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Isolator in substation is open under _____ condition. Full load None of these Short circuit No load Full load None of these Short circuit No 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) Step-down transformer converts high voltage and low current into: How voltage and high current Low voltage and high current None of these High voltage and low current How voltage and high current Low voltage and high current None of these High voltage and low 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) The Electricity Act is an Act of _____of India enacted to transform the power sector in India. All of these The Parliament None of these A State resolution All of these The Parliament None of these A State resolution ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In India _____ supply is 415 V supply through 4-wires. Two-phase Three - phase None of these Single - phase Two-phase Three - phase None of these Single - phase ANSWER DOWNLOAD EXAMIANS APP
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