NERC Questions 2024.
NERC Questions 2024. When current in an AC circuit is doubled, power losses in the circuit will respond in which way? a) half as much b) does not change c) doubles d) four times greater - ANSWER d) four times greater What determines the size of insulators used on power lines? a) Current flow on the line b) Voltage level of the line c) Reactance of the line d) Operating Limit of the line - ANSWER b) Voltage level of the line Reactive power is needed to support which type of load? a) Inductive b) Capacitive c) Impedance d) Resistive - ANSWER a) Inductive When isolating equipment in the electrical system, what device is most often used as a visual clearance point? a) Circuit switchers b) Fuses c) Disconnect switches d) Circuit breakers - ANSWER c) Disconnect switches What is current? a) Electrons that flow on a conductor b) Electrical pressure applied to a conductor c) Sine wave d) Water flow rate - ANSWER a) Electrons that flow on a conductor How many phases are there in most high voltage power systems? a) 10 phases b) 1 phase c) 3 phases
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