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) kWh meter is the electric meter that measures the amount of electrical _____ in kWh that was consumed in the house. Energy Current Voltage None of these Energy Current Voltage None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The problematic pollutants in emission of coal based generating plants _____ All of these CO SO₂ NOx All of these CO SO₂ NOx ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The main disadvantages of having poor power factors are: High cost of station and distribution equipment High energy loss in conductor Poor voltage regulation All of these High cost of station and distribution equipment High energy loss in conductor Poor voltage regulation All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A certain transformer has 200 turns in the primary winding, 50 turns in the secondary winding and 120 volts applied to the primary. What is the voltage across the secondary? 480 Volts 120 Volts 30 Volts 60 Volts 480 Volts 120 Volts 30 Volts 60 Volts ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For transformer, V2/V1 = N2/N1V2/120 = 50/200V2 = 30 V
DGVCL Exam Paper (12-06-2016) Transformer has _____ Primary winding and secondary winding Primary winding and Auxiliary winding None of these Auxiliary winding and secondary winding Primary winding and secondary winding Primary winding and Auxiliary winding None of these Auxiliary winding and secondary winding ANSWER DOWNLOAD EXAMIANS APP