Question 1

In considering the rating of audible appliances, in wide-open spaces, how many decibels does the sound pressure level (SPL) decrease every time the distance from the source is doubled?

Options :

A : 4 dB

B : 6 dB

C : 10 dB

D : 16 dB

Answer: B

Question 2

Which is the hydrostatic pressure test interval that NFPA 10 requires for dry chemical stored pressure portable extinguisher with mild steel shells, brazed brass shells, or aluminum shells?

Options :

A : 1 year

B : 5 years

C : 6 years

D : 12 years

Answer: D

Question 3

The three basic calculation methods used to determine rate of fire flow are the Royer/Nelson. US National Fire Academy, and_________.

Options :

A : Hazen Williams

B : Venturi principle

C : Sprinkler calculations

D : Bernoulli calculation

Answer: A

Question 4

Between 2014 and 2018 on average there were 464 civilian injuries in high-rise building fires, with what percentage occurring in a hospital hospice or nursing home?

Options :

A : 1%

B : 2%

C : 3%

D : 4%

Answer: B

Question 5

What is the maximum allowable sound pressure level (SPL) for a fire alarm system?

Options :

A : 30 dBA

B : 50 dBA

C : 100 dBA

D : 130 dBA

Answer: C