KNOWN NERC EXAM QUESTIONS AND ANSWERS | GUARANTEED PASS| ALREADY GRADED A | LATEST UPDATE | INCLUDES A STUDY GUIDE

KNOWN NERC EXAM QUESTIONS AND ANSWERS |
GUARANTEED PASS| ALREADY GRADED A |
LATEST UPDATE | INCLUDES A STUDY GUIDE.


1. ABalancingAuthoritynoticesthatOperatingReservehassteadilydeclined
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throughout the hour.What is the most likely cause?
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a) Loss of a large generator in the areagt gt gt gt gt gt gt




b) An inaccurate load forecast
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c) Loss of a major transmission line gt gt gt gt gt




d) A malfunction of EMS
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Ans:b) An inaccurate load forecast
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2. BalancingAreaAnoticesthattheInterconnectionfrequencyis59.94Hzand their t
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ACE is 0.Which of the following could be the cause of this reading?
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a) A net under-generation in Balancing Area A
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b) A net under-generation in the Interconnection
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c) A loss of load in Balancing Area A
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d) A loss of load in the Interconnection
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Ans:b)Anetunder-generation in theInter- connection
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o:https://www.stuvia.com/user/Wisdoms 1/ 15
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, 3. WhatisthepenaltyforaBalancingAuthorityviolatingtheDisturbance
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Control Standard?
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a) Must carry additional Contingency Reserve gt gt gt gt




b) Must develop a correction action plan gt gt gt gt gt




c) Must re-evaluate and change its Frequency Bias Setting
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d) Must increase its Regulating Reserve gt gt gt gt




Ans:a)Mustcarryadditional Contingency Reserve
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4. YourACEisalargenegativevalueandsystemfrequencyis59.80Hz.Your AGC
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system is pulsing your units down.What should you do?
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a) Place AGC in flat frequency control gt gt gt gt gt




b) Place AGC in flat tie line control gt gt gt gt gt gt




c) SuspendAGC andinvestigate gt gt gt




d) Do nothing as this is normal
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Ans:c) Suspend AGC and investigate
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5. When two identical generating units are operated in parallel on governor
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control,andonmachine has a 5%droop andthe otherhasa 10%droop,the unit
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with the greater (10%) governor droop will:
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a) Respond less to frequency deviations gt gt gt gt




b) Respond more to frequency deviations gt gt gt gt




c) Respond the same to frequency deviations gt gt gt gt gt




d) Not adjust for frequency changes
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Ans:a)Respond less to frequency deviations
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o:https://www.stuvia.com/user/Wisdoms 2/ 15
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