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Ch. 37 Fire Detection Questions with Solutions
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Ch. 37 Fire Detection Questions with Solutions a. alarm initiation device b. alarm notification device c. control panel what are the three basic components of a fire alarm system? remote annunciator The what, enables fire fighters to ascertain the type and location of the activated alar...

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  • October 3, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • ch 37 fire detection questions with solutions
  • a alarm initiation device b alarm notification d
  • same floor above and below in high rise fire alar
  • single action pull station double action pull sta

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  • Fire Alarm
  • Fire Alarm

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Ch. 37 Fire Detection Questions with
Solutions

a. alarm initiation device
b. alarm notification device
c. control panel - answer what are the three basic components of a fire alarm system?

remote annunciator - answer The what, enables fire fighters to ascertain the type and
location of the activated alarm device as they enter the building?

trouble alarm - answer faults within a fire alarm system are indicated by?

same floor; above and below - answer In high-rise fire alarms are often programmed to
alert only the occupants on the WHAT as the activated alarm as well as those on the
floors immediately WHERE and WHERE the affected floor.

single-station smoke alarm - answer the WHAT is the most common type of residential
fire alarm system

regular basis; 10 - answera major concern with battery-powered smoke alarms is
ensuring the battery is replaced on a WHAT. Newer battery-powered smoke alarms are
available with lithium batteries that will last for HOW MANY years?

???? - answerIf the detector is more than HOW MANY years old it should be replaced

ionization; photoelectric - answerWHAT detectors are triggered by the invisible products
of combustion. WHAT detectors are triggered by the visible products of combustion.

ionization detectors - answerWhat is the more common and less expensive of the two
types of detectors?

fals alarms - answera draw back to the previous are more prone to WHAT from regular
cooking and shower steam

manual pull-station - answerthe primary manual initiation device is the WHAT or manual
fire alarm box

single-action pull-station; double-action pull-station; 2 steps - answerWHAT requires a
person to pull down a lever, toggle or handle to activate the alarm. WHAT requires the
person to move a flap, lift a cover, or break a piece of glass to reach the alarm device. A

, person to perform HOW MANY steps before the alarm will activate. They are designed
to reduce the number of false alarms.

smoke detector - answerA WHAT is designed to sense the presence of smoke

beam detector - answerA WHAT is a type of photo electric smoke detector used to
protect large open areas such as churches and auditoriums

obstruction rate - answerphotoelectric beam detectors are set to respond to a certain
WHAT or percentage of light blocked

???????? - answerboth ionization and photoelectric smoke detectors are?

heat detector - answerWHAT are generally used in situations where smoke alarms
cannot be used such dusty environments or environments with extreme temperature
swings such as an attic

visual trigger - answerolder heat detectors lack a WHAT that indicates which device was
activated

spot detectors - answerWHAT are individual units that can be spaced throughout an
occupancy, so that each detector covers a specific floor area

fixed temperature heat detectors - answerWHAT are designed to operate a pre-set
temperature. Most have to be replaced after they have been activated.

rate of rise heat detectors; bimetallic strip - answerWHAT become activated when the
temperature of the surrounding air increases by more than a set amount in a given
period of time. Some have a WHAT made of two metals that respond differently to heat.
A rise in temperature cause the strip to bend which opens or closes a switch.

line detectors - answerWHAT use wire or tubing strong along the ceiling of a large open
areas to detect and increase the heat

flame detectors; other infrared (ex. sunlight) or ultra violet (welding??) - answerWHAT
are specialized devices that detect the electromagnetic light waves produced by flame.
Often found in aircraft hangers. A disadvantage is that WHAT or WHAT can set off an
unwanted alarm.

gas detectors - answerWHAT are calibrated to detect the presence of a specific gas that
is created by combustion or that used in the facility

air sampling detectors; return air ducts - answerWHAT continuously capture air samples
and measure the concentrations of specific gases or products of combustion. Duct
detectors (air sampling detectors) are often installed in the WHAT of large buildings

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