NERC CERTIFICATION EXAM TEST BANK | CONTAINS
4 DIFFERENT ALREADY TESTED VERSIONS WITH
EXPERT VERIFIED QUESTIONS AND ANSWERS |
GUARANTEED PASS| ALREADY GRADED A
1. 1. A BA has an average ACE of -75MW during one clock ten-minute period.
There L10 is 50MW. Which NERC Control Performance Standard has been
violated?
a. CPS1
b. CPS2
c. DCS
d. SOL: b. CPS2
2. 2. The ACE equation must include metered data: dynamic schedules,
pseudo ties, actual frequency, and all ___________. a. Generation
b. Transformers
c. Tie lines
d. Communications: c. Tie Lines
3. 3. A BA has a sudden change in demand-supply balance due to a sudden
loss of load or generation in their area. The sudden change will be seen
instantaneously in which calculated value? a. Frequency
b. system lambda
c. operating reserves
d. ACE: d. ACE
4. 4. An external generator tripped that was large enough to reduce the
frequency from 60.00 Hz to 59.94 Hz. Your BA's Frequency Bias is 200 MW/0.1
Hz. How many MW would your system initially contribute to frequency
support? a. 80 MW
b. 100 MW
c. 200 MW
d. 120 MW: d. 120 MW
5. 5. BA-A is currently reading a system freq of 59.95 Hz. Its Net Actual
,Interchange is +100 MW and its Net Scheduled Interchange is +120 MW. If
BA-A's freq bias setting is -100 Mw, BA-A's AGC is pulsing its generators to
_____________.
a. Remain at current MW output level
b. Increase MW output
c. Decrease MW output
d. Increase excitation on the field windings: b. Increase MW output
6. 6. Which control system on the generators would respond to a drop
in system freq resulting from the loss of generation? a. Generator
governor control system
b. Differential relay systems
c. Special protection systems
d. Automatic Voltage Regulators: a. Generator governor control system
7. 7. Load increases or decreases in relation to the increase or decrease in
frequency. It has been determined that for every 1% change in freq, load will
change approx ______% iin the same direction in an Interconnected system.
a. 1
b. 2
c. 5
d. 3: b. 2 (3 if it is pure motor load)
8. 8. A BA has several units on governor control. The units have different
capacities that range from 200 MW to 1000 MW and droop settings from 2%
to 5%. The biggest adjustments in MW output in response to a freq
disturbance will be provided by units that have __________. a. large capacity;
large droop setting
b. large capacity; small droop setting
c. small capacity; large droop setting
d. small capacity; small droop setting: b. large capacity; small droop setting 9.
9. A BA that is operating asynchronously (separated from the
interconnection) should switch its AGC to which mode? a. tie line bias
control b flat tie line control
c. flat frequency control
d. manual control: c. flat frequency control
10. 10. If the BA selling power to an end user enters the wrong schedule for
the upcoming hour, which part of the ACE equatio [ACE = (NIA - NIS) - 10B(FA
, - FS) - IME], will cause Inadvertent Interchange to occur as the result of the
incorrect shedule?
a. Both the Interchange and freq portions will contribute (NIA - NIS) - 10B(FA
- FS)
b. Only the interchange portion (NIA - NIS) will contribute
c. Only the freq portion -10B(FA-FS) will contribute
d. Neither will contribute: b. Only the interchange portion (NIA - NIS) will
contribute 11. 11. Inadvertent interchange accumulations that are paid back
by controlling to a target of non-zero ACE and is limited by the BA's L10 is
known as ________.
a. bilateral payback
b. selective payback
c. transmission payback
d. unilateral payback: d. unilateral payback
12. 12. What is the purpose in account for Inadvertent Interchange amon=g
the
BA?
a. To maintain adequate reliability of energy transactions across each Inter-
connection.
b. To ensure that BA do not excessively depend on other BA areas for meeting
their Interchange obligations.
c. To compensate those orgs that take on the responsibility of operating a BA.
d. So that large energy providers can demonstrate the profitability of owning
and operating generation and transmission facilities.: b. To ensure that BA
do not excessively depend on other BA areas for meeting their Interchange
obligations 13. 13. A BA's inadvertent accumulation reflects over-generation
during on-peak hours. When system load is decreasing, what actions could
a BA system operator take to limit additional on peak inadvertent
accumulation?
1. decrease transactins into their system
2. increase transactions into their system
3. decrease generation4. increase generation
a. 1 and 3
b. 2 and 4
c. 1 and 4
4 DIFFERENT ALREADY TESTED VERSIONS WITH
EXPERT VERIFIED QUESTIONS AND ANSWERS |
GUARANTEED PASS| ALREADY GRADED A
1. 1. A BA has an average ACE of -75MW during one clock ten-minute period.
There L10 is 50MW. Which NERC Control Performance Standard has been
violated?
a. CPS1
b. CPS2
c. DCS
d. SOL: b. CPS2
2. 2. The ACE equation must include metered data: dynamic schedules,
pseudo ties, actual frequency, and all ___________. a. Generation
b. Transformers
c. Tie lines
d. Communications: c. Tie Lines
3. 3. A BA has a sudden change in demand-supply balance due to a sudden
loss of load or generation in their area. The sudden change will be seen
instantaneously in which calculated value? a. Frequency
b. system lambda
c. operating reserves
d. ACE: d. ACE
4. 4. An external generator tripped that was large enough to reduce the
frequency from 60.00 Hz to 59.94 Hz. Your BA's Frequency Bias is 200 MW/0.1
Hz. How many MW would your system initially contribute to frequency
support? a. 80 MW
b. 100 MW
c. 200 MW
d. 120 MW: d. 120 MW
5. 5. BA-A is currently reading a system freq of 59.95 Hz. Its Net Actual
,Interchange is +100 MW and its Net Scheduled Interchange is +120 MW. If
BA-A's freq bias setting is -100 Mw, BA-A's AGC is pulsing its generators to
_____________.
a. Remain at current MW output level
b. Increase MW output
c. Decrease MW output
d. Increase excitation on the field windings: b. Increase MW output
6. 6. Which control system on the generators would respond to a drop
in system freq resulting from the loss of generation? a. Generator
governor control system
b. Differential relay systems
c. Special protection systems
d. Automatic Voltage Regulators: a. Generator governor control system
7. 7. Load increases or decreases in relation to the increase or decrease in
frequency. It has been determined that for every 1% change in freq, load will
change approx ______% iin the same direction in an Interconnected system.
a. 1
b. 2
c. 5
d. 3: b. 2 (3 if it is pure motor load)
8. 8. A BA has several units on governor control. The units have different
capacities that range from 200 MW to 1000 MW and droop settings from 2%
to 5%. The biggest adjustments in MW output in response to a freq
disturbance will be provided by units that have __________. a. large capacity;
large droop setting
b. large capacity; small droop setting
c. small capacity; large droop setting
d. small capacity; small droop setting: b. large capacity; small droop setting 9.
9. A BA that is operating asynchronously (separated from the
interconnection) should switch its AGC to which mode? a. tie line bias
control b flat tie line control
c. flat frequency control
d. manual control: c. flat frequency control
10. 10. If the BA selling power to an end user enters the wrong schedule for
the upcoming hour, which part of the ACE equatio [ACE = (NIA - NIS) - 10B(FA
, - FS) - IME], will cause Inadvertent Interchange to occur as the result of the
incorrect shedule?
a. Both the Interchange and freq portions will contribute (NIA - NIS) - 10B(FA
- FS)
b. Only the interchange portion (NIA - NIS) will contribute
c. Only the freq portion -10B(FA-FS) will contribute
d. Neither will contribute: b. Only the interchange portion (NIA - NIS) will
contribute 11. 11. Inadvertent interchange accumulations that are paid back
by controlling to a target of non-zero ACE and is limited by the BA's L10 is
known as ________.
a. bilateral payback
b. selective payback
c. transmission payback
d. unilateral payback: d. unilateral payback
12. 12. What is the purpose in account for Inadvertent Interchange amon=g
the
BA?
a. To maintain adequate reliability of energy transactions across each Inter-
connection.
b. To ensure that BA do not excessively depend on other BA areas for meeting
their Interchange obligations.
c. To compensate those orgs that take on the responsibility of operating a BA.
d. So that large energy providers can demonstrate the profitability of owning
and operating generation and transmission facilities.: b. To ensure that BA
do not excessively depend on other BA areas for meeting their Interchange
obligations 13. 13. A BA's inadvertent accumulation reflects over-generation
during on-peak hours. When system load is decreasing, what actions could
a BA system operator take to limit additional on peak inadvertent
accumulation?
1. decrease transactins into their system
2. increase transactions into their system
3. decrease generation4. increase generation
a. 1 and 3
b. 2 and 4
c. 1 and 4
