DGVCL Exam Paper (12-06-2016) In a transformer the energy is conveyed from primary to secondary Through air By the flux None of these Through cooling coil Through air By the flux None of these Through cooling coil ANSWER EXPLANATION DOWNLOAD EXAMIANS APP function of transfomer is that transfer electrical energy from primary cicuit to secondary through magnetic cicuit by mutual induction
DGVCL Exam Paper (12-06-2016) Which of the following is the least expensive protection for over current in low voltage system? Isolator Rewireable fuse Oil Circuit breaker Air break circuit breaker Isolator Rewireable fuse Oil Circuit breaker Air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) As per Electricity Act, _____ means a process which simultaneously produces two or more forms of useful energy (including electricity). None of these Cogeneration Power generation Captive Power Plant None of these Cogeneration Power generation Captive Power Plant ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The acting contacts for a circuit breakers are made of : Copper Tungsten alloy Porcelain Stainless Steel Hard-pressed carbon Copper Tungsten alloy Porcelain Stainless Steel Hard-pressed carbon ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Step-down transformer converts high voltage and low current into: None of these Low voltage and high current High voltage and low current How voltage and high current None of these Low voltage and high current High voltage and low current 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) The problematic pollutants in emission of coal based generating plants _____ SO₂ CO NOx All of these SO₂ CO NOx All of these ANSWER DOWNLOAD EXAMIANS APP
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