Fire Alarm Systems Quiz

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Fire Alarm Systems Quiz - Quiz

All answers may be found in NFPA 72, 2016 Edition.


Questions and Answers
  • 1. 

    According to Chapter 10, “Fundamentals,” trouble signals and their restoration to normal shall be indicated within _______ seconds at the locations identified in 10.14.7 and 10.14.8.

    • A.

      15

    • B.

      30

    • C.

      60

    • D.

      200

    Correct Answer
    D. 200
    Explanation
    According to Chapter 10, "Fundamentals," trouble signals and their restoration to normal shall be indicated within 200 seconds at the locations identified in 10.14.7 and 10.14.8.

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  • 2. 

    Spare DACRs shall be provided in the supervising or subsidiary station. The spare DACRs shall be on line or able to be switched into the place of a failed unit within  _______ seconds after detection of failure.

    • A.

      15

    • B.

      60

    • C.

      30

    • D.

      200

    Correct Answer
    C. 30
    Explanation
    The statement requires the presence of spare Digital Alarm Communication Receivers (DACRs) in supervising and subsidiary stations. These spare units should either be actively online or capable of swift activation. They must be able to take over the role of the primary DACR within 30 seconds after detecting a failure, ensuring the uninterrupted functioning of the alarm communication system.

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  • 3. 

    An open ground fault or short-circuit fault on the installation conductors of one alarm notification appliance circuit shall not affect the operation of any other alarm notification appliance circuit for more than _______ seconds. 

    • A.

      15

    • B.

      30

    • C.

      60

    • D.

      200

    Correct Answer
    D. 200
    Explanation
    10.16.1

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  • 4. 

    Where operational capability is required to be maintained or continued during the application of a fault, the operational capability required in 10.11.1 shall be restored within _______ seconds from the time the fault is introduced.

    • A.

      15

    • B.

      30

    • C.

      60

    • D.

      200

    Correct Answer
    D. 200
    Explanation
    12.2.3.4

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  • 5. 

    According to Chapter 23, “Protected Premises Fire Alarm Systems,” specified fault conditions shall result in the annunciation of a trouble signal at the protected premises within _______ seconds as required in Section 12.6.

    • A.

      15

    • B.

      30

    • C.

      60

    • D.

      200

    Correct Answer
    D. 200
    Explanation
    23.4.2.1

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  • 6. 

    To initiate the positive alarm sequence operation in a protected premises fire alarm system, the signal from an automatic fire detection device selected for positive alarm sequence operation shall be acknowledged at the fire alarm control unit by trained personnel within _________ seconds of annunciation.

    • A.

      15

    • B.

      30

    • C.

      60

    • D.

      200

    Correct Answer
    A. 15
    Explanation
    23.8.1.2.1.1(1)

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  • 7. 

    The maximum allowable time lapse from the occurrence of an adverse condition in any transmission channel of a two-way radio system until recording of the adverse condition is started shall not exceed _______ seconds for Type 4 and Type 5 systems.

    • A.

      15

    • B.

      30

    • C.

      60

    • D.

      200

    Correct Answer
    D. 200
    Explanation
    23.16.4.2

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  • 8. 

    For a public emergency alarm reporting system, a pathway or communications trouble condition shall be detected and annunciated at both the communication center and the alarm processing equipment location within ________ seconds.

    • A.

      15

    • B.

      30

    • C.

      60

    • D.

      200

    Correct Answer
    D. 200
    Explanation
    27.5.3.6.1

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  • 9. 

    The secondary power supply shall have sufficient capacity to operate the system under quiescent load (system operating in a non-alarm condition) for a minimum of 24 hours and, at the end of that period, shall be capable of operating all alarm notification appliances used for evacuation or to direct aid to the location of an emergency for _______ minutes, unless otherwise permitted or required by 10.6.7.2.1.1 through 10.6.7.2.2:

    • A.

      5

    • B.

      30

    • C.

      60

    • D.

      200

    Correct Answer
    A. 5
    Explanation
    This question appears to refer to requirements for the secondary power supply in a fire alarm system, which typically needs to operate for a certain duration during a power failure. The expectation is that the secondary power supply, often a battery or generator, must support the system's basic operations for a minimum of 24 hours under quiescent load (when the system is not in alarm). Following this, the same secondary power supply must be capable of operating all alarm notification appliances (like sirens or strobes) used for evacuation or emergency response for an additional specified time. Based on these requirements, the number of minutes typically required for continued operation in alarm condition varies. The duration may be set at 5, 15, 30, or even 60 minutes, depending on specific standards like the National Fire Protection Association (NFPA) guidelines. However, the correct answer typically hinges on the context or the specific edition of the referenced standards, making accuracy crucial. Given your question's format, clarify which standard or document is referenced to ensure precision in the response.

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  • 10. 

    The occurrence of any single fault that disables communication between any low-power radio transmitter/transceiver and the receiver/transceiver system control unit shall cause a latching trouble signal within _______ seconds at the system control unit that individually identifies the affected device.

    • A.

      15

    • B.

      30

    • C.

      60

    • D.

      200

    Correct Answer
    D. 200
    Explanation
    23.16.4.2

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  • 11. 

    A communications failure shall initiate a specific communications failure trouble message, which shall be transmitted from the auxiliary alarm system and shall be automatically indicated within ________ seconds at the communications center.

    • A.

      15

    • B.

      30

    • C.

      60

    • D.

      200

    Correct Answer
    D. 200
    Explanation
    27.6.3.2.3.14 (B) (2)

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  • Current Version
  • Sep 27, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 04, 2017
    Quiz Created by
    SDMMagazine
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