DGVCL Exam Paper (12-06-2016) In fuel cell the _____ energy is converted into electrical energy. Heat Chemical Mechanical Sound Heat Chemical Mechanical Sound ANSWER DOWNLOAD EXAMIANS APP
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: 2 m 8 m 1 m 4 m 2 m 8 m 1 m 4 m ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In a transformer the energy is conveyed from primary to secondary Through cooling coil None of these Through air By the flux Through cooling coil None of these Through air By the flux 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) Step-down transformer converts high voltage and low current into: 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 Low 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) Induction cup relay is operated due to changes in : Current All of these Voltage Impedance Current All of these Voltage Impedance ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Efficiency of a power transformer is of the order of : 0.5 0.25 0.98 1 0.5 0.25 0.98 1 ANSWER DOWNLOAD EXAMIANS APP
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