Fire Life & Safety Flashcards
What device activates a wet sprinkler system alarm upon activation of a sprinkler head?
Flow switch.
What two things may cause an EPO of the computer room?
Manual activation or FM-200 discharge.
What is a “fail-safe” door latch?
Will open upon loss of power.
What is the function of a jockey pump on a wet-pipe sprinkler system?
Maintain system pressure
True or False:
A pre-action sprinkler system will discharge water if air pressure is lost.
FALSE
What is the difference between an addressable smoke sensor and a “dumb” smoke sensor?
Addressable can be located if in alarm and may have pre-alarm functionality.
What are the 3 sides of a fire triangle (what 3 things are needed for combustion to occur)?
Heat, fuel, oxygen
How do the Fire Alarm system and the HVAC control system interact when a fire alarm is activated?
HVAC may purge or shutdown.
What does a “soak timer” do?
Allows water to flow through the sprinkler valve for a preset amount of time. When that time limit has been reached, it will close the sprinkler valve. The valve will reopen if there is a call to do so (usually from a heat detector)
What is a fusible link?
A device that holds a damper open until heat is applied which melts and releases the damper. Standard temp release for a fusible link is 165 degrees.
Workplaces with a minimum of ____ employees need to have a written fire prevention program in place.
11
Even when there are no signs of a fire, you should respond to every fire alarm as if it were real.
True. Every fire alarm should receive the same reaction, regardless of whether there is actually a fire or not. Even when you do not see any signs of fire, you should take appropriate steps when an alarm is sounded. Moreover, all false alarms should be reported to the authorities.
The primary function of a fire door is to exit a building in case of fire.
False. Although in some cases fire doors are used as emergency exits in the event of a fire, the primary function of a fire door is to act as a fire barrier and contain fire and smoke to prevent it from entering parts of the building unaffected by fire at the time.
What kind of fire extinguisher is used to put out fires caused by flammable liquids?
Class B carbon dioxide fire extinguisher
If a sprinkler head discharges in an area, do all of them discharge throughout the building?
No
