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. Voltage None of these Current Energy Voltage None of these Current Energy ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A Transformer _____ Steps up or down AC Voltages & Current Steps up or down DC Voltages & Current Changes AC to DC Changes DC to AC Steps up or down AC Voltages & Current Steps up or down DC Voltages & Current Changes AC to DC Changes DC to AC ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The core construction is like spokes of a wheel in following transformer: Core Type Transformer None of these Berry Type Transformer Shell Type Transformer Core Type Transformer None of these Berry Type Transformer Shell Type Transformer ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Capacitance is the ability of a body to store an _____ All of these electric current voltage electrical charge All of these electric current voltage electrical charge ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which of the following 3-phase connection of a transformer causes interference with the neighbouring communication lines: Delta-Star Star-Star Delta-Delta Star-Delta Delta-Star Star-Star Delta-Delta Star-Delta ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) What would happen if a power transformer designed for operation on 50 Hz (frequency) were connected to a 500 Hz (frequency) source of the same voltage: Transformer may start to smoke and burn Eddy Current and Hysteresis losses will be excessive No effect Current will be too much high Transformer may start to smoke and burn Eddy Current and Hysteresis losses will be excessive No effect Current will be too much high ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Core loss of transformer = Hysteresis loss + eddy current lossHysteresis loss prpotional to feddy current loss prpotional to f².
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