ADDITIONAL NERC EXAM QUESTIONS WITH SOLVED
SOLUTION.
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 outraged 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
, NERC
D) During projected light loading Answer >>>> D) During projected light loading
Q4: Which MVAR resource device would you normally use first?
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