NFPA 72 Test-30 Questions with Actual Solutions
Smoke detectors detect __________ or _________ particles of combustion
invisible or visible
A runner is someone other than _____________________________________.
required operators on duty
The secondary power supply for a fire alarm system must be capable of supporting
operations for _______ hours and ____ minutes in alarm condition
24 hours and 5 minutes
The secondary power supply for in building mass notification systems and
emergency communications systems must be capable of supporting operations for
____ hours and ___ minutes in alarm condition
24 hours and 15 minutes
The secondary power supply must provide power within _____ seconds after the
loss of normal power
10
- Adequate facilities must be provided to recharge batteries within ______ hours
after a single discharge
48
, A coded alarm signal shall consist of not less than ____ rounds of the number
transmitted
3
Trouble signals must be indicated within ________ seconds
200 seconds
- Heat detectors installed on the ceiling must be ____ in. from the sidewall and if
installed on the sidewall they must be located between ______ in. and _____ in. from
the ceiling
- Heat detectors installed on the ceiling must be 4 in. from the sidewall and if installed on
the sidewall they must be located between 4 in. and 12 in. from
the ceiling
The minimum spacing of heat detectors shall not be required to be less than
________ times the height of the ceiling
The minimum spacing of heat detectors shall not be required to be less than 0.4 times the
height of the ceiling
- Spot type smoke detectors installed on the sidewall shall be located not more than
______ in. from the ceiling
12 inches
Smoke detectors detect __________ or _________ particles of combustion
invisible or visible
A runner is someone other than _____________________________________.
required operators on duty
The secondary power supply for a fire alarm system must be capable of supporting
operations for _______ hours and ____ minutes in alarm condition
24 hours and 5 minutes
The secondary power supply for in building mass notification systems and
emergency communications systems must be capable of supporting operations for
____ hours and ___ minutes in alarm condition
24 hours and 15 minutes
The secondary power supply must provide power within _____ seconds after the
loss of normal power
10
- Adequate facilities must be provided to recharge batteries within ______ hours
after a single discharge
48
, A coded alarm signal shall consist of not less than ____ rounds of the number
transmitted
3
Trouble signals must be indicated within ________ seconds
200 seconds
- Heat detectors installed on the ceiling must be ____ in. from the sidewall and if
installed on the sidewall they must be located between ______ in. and _____ in. from
the ceiling
- Heat detectors installed on the ceiling must be 4 in. from the sidewall and if installed on
the sidewall they must be located between 4 in. and 12 in. from
the ceiling
The minimum spacing of heat detectors shall not be required to be less than
________ times the height of the ceiling
The minimum spacing of heat detectors shall not be required to be less than 0.4 times the
height of the ceiling
- Spot type smoke detectors installed on the sidewall shall be located not more than
______ in. from the ceiling
12 inches
