*TB 42- Smoke Detectors Flashcards
1
Q
According to a study, _____ (ionization or photoelectric?) detectors are more reliable in warning against the hazards of visible smoke build-up from the slow smoldering fire so common to residential occupancies. These detectors appear to be less prone to unwarranted nuisance alarms.
A
Photoelectric
2
Q
Smoke Detectors are approved to give an area of coverage equivalent to a ___ ft diameter.
A
25’
3
Q
Smoke detectors:
Ionization or photoelectric?
_____ detectors are more sensitive to smoldering fires, and _____ detectors are more sensitive to flaming fires.
A
- Photoelectric
2. Ionization
4
Q
What are the two types of smoke detectors?
A
Photoelectric and ionization