Q1: When current flow increases in the power system, losses in the system will increase
based on which of the following relationships?
A) Current times resistance squared
B) Current times impedance
C) Current squared times resistance
D) Current squared times impedance - ANSWER C) Current squared times resistance
Q2: How do you increase the MVAR output of a generator?
A) Increase the DC current to the field windings
B) Decrease the DC current to the field windings
C) Increase the input to the prime mover
D) Decrease the input to the prime mover - ANSWER A) Increase the DC current to the
field windings
Q3: A capacitor bank needs to be outaged for maintenance. When would be the most
beneficial time to schedule a capacitor bank outage?
A) During outage of other reactive sources in the area
B) During summer time
C) During projected peak loading
D) During projected light loading - ANSWER D) During projected light loading
Q4: Which MVAR resource device would you normally use first?
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, A) Inductive cancelations
B) Shunt reactors
C) Shunt capacitors
D) Generator MVAR reserves - ANSWER C) Shunt capacitors
Q5: Why would a Voltage reduction be implemented?
A) Reducing load on the transmission system
B) Increasing current on the transmission system
C) Increasing load on the distribution system
D) Reducing load/demand on the distribution system - ANSWER D) Reducing
load/demand on the distribution system
Q6: A heavily loaded transmission line will exhibit which characteristic?
A) Surge Impedance Loading and will be VAR neutral
B) Capacitive properties and produce VAR
C) Inductive properties and absorb VAR
D) Increase impedance will keep the line neutral - ANSWER C) Inductive properties
and absorb VAR
Q7: Which corrective action should a Transmission Operator take to prevent voltage collapse
when reactive resources are insufficient?
A) Closing in reactors
B) Switching out transmission
C) Shedding load
D) Exceeding established limits - ANSWER C) Shedding load
Q8: Reactive reserve response during a disturbance is best obtained from which device?
A) Synchronous condensers
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based on which of the following relationships?
A) Current times resistance squared
B) Current times impedance
C) Current squared times resistance
D) Current squared times impedance - ANSWER C) Current squared times resistance
Q2: How do you increase the MVAR output of a generator?
A) Increase the DC current to the field windings
B) Decrease the DC current to the field windings
C) Increase the input to the prime mover
D) Decrease the input to the prime mover - ANSWER A) Increase the DC current to the
field windings
Q3: A capacitor bank needs to be outaged for maintenance. When would be the most
beneficial time to schedule a capacitor bank outage?
A) During outage of other reactive sources in the area
B) During summer time
C) During projected peak loading
D) During projected light loading - ANSWER D) During projected light loading
Q4: Which MVAR resource device would you normally use first?
1
, A) Inductive cancelations
B) Shunt reactors
C) Shunt capacitors
D) Generator MVAR reserves - ANSWER C) Shunt capacitors
Q5: Why would a Voltage reduction be implemented?
A) Reducing load on the transmission system
B) Increasing current on the transmission system
C) Increasing load on the distribution system
D) Reducing load/demand on the distribution system - ANSWER D) Reducing
load/demand on the distribution system
Q6: A heavily loaded transmission line will exhibit which characteristic?
A) Surge Impedance Loading and will be VAR neutral
B) Capacitive properties and produce VAR
C) Inductive properties and absorb VAR
D) Increase impedance will keep the line neutral - ANSWER C) Inductive properties
and absorb VAR
Q7: Which corrective action should a Transmission Operator take to prevent voltage collapse
when reactive resources are insufficient?
A) Closing in reactors
B) Switching out transmission
C) Shedding load
D) Exceeding established limits - ANSWER C) Shedding load
Q8: Reactive reserve response during a disturbance is best obtained from which device?
A) Synchronous condensers
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