DGVCL Exam Paper (12-06-2016) Step-down transformer converts high voltage and low current into: Low voltage and high current How voltage and high current High voltage and low current None of these Low voltage and high current How voltage and high current High voltage and low 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 _____ is used to measure the stator % winding temperature of the generator. Pyrometer Thermocouple Thermometer Resistance thermometer Pyrometer Thermocouple Thermometer Resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In a transformer the energy is conveyed from primary to secondary Through air Through cooling coil By the flux None of these Through air Through cooling coil By the flux None of these 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) The main disadvantages of having poor power factors are: Poor voltage regulation High cost of station and distribution equipment High energy loss in conductor All of these Poor voltage regulation High cost of station and distribution equipment High energy loss in conductor All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Admittance relay is _____ relay. Directional Impedance None of these Non-directional Directional Impedance None of these Non-directional ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The rating of fuse wire is always expressed in _____ Ampere-hours Ampere-volts kWh Amperes Ampere-hours Ampere-volts kWh Amperes ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equipment :Rating Fuse : AmpereTransformer : kVAAlternator : kVAMotor : kW/HPBattery : ampere-hour