Exam CFPS All QuestionsBrowse all questions from this exam
Question 22

There are two different ambient noise levels that are required to meet fire alarm audibility goals and system design. The first is the average sound pressure levels (SPL) during the time the area is occupied. The second is the maximum SPL that lasts a specific minimum duration of time (in seconds). Per NFPA 72, which of the following choices is the minimum duration required to meet the second ambient noise level?

    Correct Answer: B

    The minimum duration required to measure the maximum sound pressure level according to NFPA 72 is 60 seconds. This is critical for ensuring the alarm can be heard over background noise levels that may fluctuate.

Discussion
lengochoOption: B

ANS: B

yasern13Option: B

60 secs

SaurabhootaraOption: B

60 sec