NERC SOS Pre-Assessment Questions And Answers
Rated (A+)
Quiz :What are three primary AGC control models? - Answer :Tie-Line Bias,
Constant Frequency, Constant Net Interchange
Quiz :When a balancing Authority's ACE is zero, what is true? - Answer :The
BA load-interchange-generation balancing while supporting Interconnection
Frequency
Quiz :In a 3-phase AC generator... - Answer :Each phase is physically offset by
120 degrees
Quiz :Inductance is a property of an electric circuit that opposes the change in
___ - Answer :current
Quiz :What three values are included in OHM's Law? - Answer :Volts, Amps,
impedance
Quiz :You dispatch a field crew to a substation to help determine the reason
for a transmission line trip. What is the first thing you are going to ask them to
do? - Answer :Read Targets
Quiz :When energizing a long, HV transmission line from one end, what would
you expect to see on the open end of the line? - Answer :Higher Voltage than
the closed end
Quiz :What is inadvertent? - Answer :The difference between actual and
scheduled interchange
Quiz :What is a balancing area between the source and sink balancing areas
called? - Answer :Intermediary Balancing Area
Quiz :What does AGC stand for? - Answer :Automatic Generation Control
Quiz :When implementing an interchange schedule, what tool is used to
document and distribute the information associated with the transaction? -
Answer :E-Tag
, Quiz :In order for a generator to produce megawatts, it must have a _____ -
Answer :torque Angle
Quiz :On an electric generator, what does the term "Ramp Rate" Mean? -
Answer :The generators ability to increase or decrease MW output over a
given period of time
Quiz :Low Voltage is an indication there is ______ - Answer :A Deficiency in
reactive power
Quiz :Power System elements that absorb or use reactive power (VARS) Are: -
Answer :Under-excited generators, synchronous condensors, shunt reactors &
motor loads
Quiz :What does MVA stand for> - Answer :Mega-Volt Amps
Quiz :What is one advantage of transmitting power at higher voltage levels? -
Answer :Losses are reduced
Quiz :Three types of steam generating Units are: - Answer :Fossil Feed units,
nuclear units and geothermal units
Quiz :What is the purpose of a distribution transformer? - Answer :To
transform voltage from the transmission level to the distribution level
Quiz :What are the 3 types of substation configurations? - Answer :Ring bus,
breaker and a half, doubles bus-double breaker
Quiz :What does the b stand for in the ACE equation? - Answer :Bias
Quiz :What is the result of energizing a cap bank? - Answer :Increase Voltage
Quiz :In an electric power system, what does the term power factor mean? -
Answer :The ratio of the real and apparent power
Quiz :What does the term voltage mean? - Answer :Forces that cause
electrons to change
Quiz :In an electric power system, what are the two properties that determine
real power? - Answer :Voltage and current
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