NERC PRACTICE TEST SET 1, 2, 3, 4, 5, 6, 7 & 8 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) | UPDATE for 2026/27 | GRADED A+

NERC PRACTICE TEST SET 1, 2, 3, 4, 5, 6, 7 & 8 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) | UPDATE for 2026/27 | GRADED A+ d. A condition of abnormal electric current which causes protective relays to operate A fault has occurred in your power system. What will the System Operator look for? a. A condition where a component is not in sync with the rest of the system b. A condition that causes a device, component, or element to fail c. A condition of abnormal electric current d. A condition of abnormal electric current which causes protective relays to operate a. Generators What makes up spinning reserves? a. Generators b. Synchronous condensers c. Capacitors d. Reactor c. Power Losses What does I2R indicate? a. Voltage b. Resistance c. Power Losses d. Transformers a. Inertia What resists an initial decline in system frequency following a disturbance? a. Inertia b. AGC c. AVR d. Frequency Bias c. Tie Line Bias What is the primary AGC control mode that will best indicate a Balancing Authorities generation-load-interchange balance? a. Generators on Auto b. Flat Interchange control c. Tie Line Bias d. Constant Frequency b. Frequency above 60.00 Hz When the total generation in an Interconnection is more than the total load, what will the System Operator will experience? a. Frequency below 60.00 Hz b. Frequency above 60.00 Hz c. Frequency at 60.00 Hz d. Frequency scheduled change a. Inductance When a transmission line is absorbing VARs from the system, which primary characteristic is the line exhibiting? a. Inductance b. Capacitance c. Resistance d. Impedance b. Frequency, voltage, phase angle What parameters are required to be within range to synchronize to the power system? a. Frequency and voltage must be identical b. Frequency, voltage, phase angle c. Generator speed and voltage d. Voltage and power angle d. Convert the measured value to a lower value for relays Potential Transformer and Current Transformers are used primary for which purpose? a. Measure the potential energy b. Step up the power flow to reduce losses c. Monitor safety d. Convert the measured value to a lower value for relays a. Disconnect switches When isolating electrical equipment, you must have a visible open point usually provided by which device? a. Disconnect switches b. Circuit Breakers c. Arresters d. Relay protection b. Place capacitors in service A System Operator notices voltage decreasing at key stations, what is your first action? a. Direct generators to produce more reactive power b. Place capa