DGVCL Exam Paper (12-06-2016) A Transformer _____ Changes AC to DC Steps up or down DC Voltages & Current Changes DC to AC Steps up or down AC Voltages & Current Changes AC to DC Steps up or down DC Voltages & Current Changes DC to AC Steps up or down AC Voltages & Current ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In case the height of transmission tower is increased, which of the following parameter is likely to change? Inductance None of these Resistance Capacitance Inductance None of these Resistance Capacitance ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Step-down transformer converts high voltage and low current into: High voltage and low current Low voltage and high current How voltage and high current None of these High voltage and low current Low voltage and high current How 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) A relay used for protection of motors against overload is : Impedance relay Thermal relay Buchholz's relay Electromagnetic attraction type Impedance relay Thermal relay Buchholz's relay Electromagnetic attraction type ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The main objectives in framing tariff are: All of these The consumers must readily understand the tariffs Tariffs can be modified from time to time The tariff must be equitable amongst different consumers All of these The consumers must readily understand the tariffs Tariffs can be modified from time to time The tariff must be equitable amongst different consumers ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Reactance relay is used for protection against: None of these Phase fault Over voltage fault Earth fault None of these Phase fault Over voltage fault Earth fault ANSWER DOWNLOAD EXAMIANS APP
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