ExamTopics Logo
Mail Us[email protected]
Menu
Nfpa Discussions
exam questions

Exam CFPS All Questions

View all questions & answers for the CFPS exam
Go to Exam

Exam CFPS topic 1 question 4 discussion

Actual exam question from NFPA's CFPS
Question #: 4
Topic #: 1
[All CFPS Questions]

The performance of fire alarm audible notification in a wide open space can be analyzed using a condition called free-field condition, where the sound pressure level (SPL) decreases roughly by a specific decibel value every time the distance from the source is doubled. Which of the following choices is the specific decibel value attributed to the free-field condition?

  • A. 1 dB
  • B. 3 dB
  • C. 5 dB
  • D. 6 dB
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by howmany at April 10, 2023, 4:06 p.m.

Comments

Chosen Answer:
This is a voting comment (?). It is better to Upvote an existing comment if you don't have anything to add.
Switch to a voting comment New
Submit Cancel
Leelo
6 months, 2 weeks ago
The Answer is D. As per the FPH section 14-30 the 6DB rule
upvoted 1 times
...
lengocho
1 year, 4 months ago
ANS: D 6dB. FPH 14-30
upvoted 1 times
...
Chris_S723
1 year, 9 months ago
Selected Answer: D
6dB Rule.
upvoted 1 times
...
asim990
1 year, 10 months ago
the answer is D check the handbook 14-30
upvoted 2 times
...
howmany
2 years ago
Correct answer is C : 6dB rule
upvoted 1 times
...
Community vote distribution
A (35%)
C (25%)
B (20%)
Other
Most Voted
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.

SaveCancel
exam
Someone Bought Contributor Access for:
SY0-701
London, 1 minute ago