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WorksheetsFire alarm II
Total questions: 25
Worksheet time: 13mins
What are the three sides of the fire triangle
Flames, radiant energy, smoke
Heat, smoke, flames
Oxygen, fuel, ignition source
Oxygen, fuel, radiant energy
___ detection is the most appropriate type of detection for a computer room.
Air sampling smoke
Beam
Heat
Radiant energy
A(n) ___ detector is most appropriate for an elevator loby
Air sampling smoke
Beat
Heat
Spot-type
A___ detector is well-suited for an atrium application.
Heat
Ionization
Projected Beam
Radiant energy
HVAC systems that deliver over ___ generally require fan shutdown during a fire alarm situation
200 CFM
500 CFM
1,000 CFM
2,000 CFM
PEARS boxes must tap out the respective box number at least ___ times?
2
3
4
5
Public fire reporting systems operate on a ___ DC loop.
25 mA
50 mA
75 mA
100 mA
The most common means of transmission of fire alarm data is ___ ?
active multiplex
DACT
One-way RF
Two-way RF
A DACT may take up to ___ per dialing attempt.
15 seconds
30 seconds
60 seconds
90 seconds
The national institute of standards and technology estimates that ___ of homes do not have a smoke alarm.
2%
4%
6%
8%
Multiple-station smoke alarms for dwelling use cannot be ___
Interconnected between individual units
Located in a ceiling peak
Located in a closet
Wall-mounted
Chapter 29 of NFPA 72 limits the number of interconnected smoke alarms to a quantity of ___ when they are not monitored for integrity.
9
12
15
18
Heat alarms or heat detectors installed in a attic with a max expected ambient temperature of 120F must be designed and rated to operate at a minimum temperature of ___?
120F
135F
145F
170F
Rechargeable power supplies for smoke or heat alarms must recharge in ___ or less when connected to a switched portion of a branch circuit
4 hours
8 hours
12 hours
16 hours
According to NFPA 72, inspecting, testing, and maintaining a fire alarm system is the responsibility of the ___?
AHJ
Fire marshal
Installing contractor
System owner
A technician that is only factory trained and certified for fire alarm system brand A and has no other qualifications is qualified to install and maintain ___ systems.
All fire alarm
Central station
Only Brand A
Proprietary station
Heat is produced when materials ___ react to form simpler compounds.
Endothermically
Exothermically
Intrathermically
Introthermically
Smoke detectors are appropriate for rooms containing a swimming pool.
True
False
What city had the first operation public emergency alarm reporting system
Baltimore
Boston
Chicago
New York city
The first public emergency alarm reporting system became operation in the year ___?
1851
1852
1853
1854
Heat alarms or detectors installed on ceilings that consist of beams or joists must be installed ___?
Between the beams or joists
On the bottoms of the beams or joists
On the ceiling
On the wall within 16 inches from the ceiling
At the time of acceptance, the fire alarm system contractor must provide the owner with ___?
Operations and maintenance manuals
Record of completion
Record of inspection, test and maintenance
All of the above
Which chapter of the NFPA 72 applies to inspection, testing, and maintenance
10
12
14
21
When testing audible and visible notification appliances, they should be actuated ___?
For a 5-minute period
For a 10-minute period
For a 15-minute period
Only long enough to test them
Will the Eagles beat the Steelers?
No
Yes
