Understanding Duct Detectors
Interactive Video
•
Science, Professional Development, Architecture
•
9th - 12th Grade
•
Practice Problem
•
Easy
Sophia Harris
Used 1+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a duct detector in an HVAC system?
To increase air flow
To reduce noise
To detect smoke and shut off the HVAC unit
To cool the air
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of duct detector uses a sampling tube?
Outside duct detector
In-duct smoke detector
Wall-mounted detector
Ceiling-mounted detector
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is an in-duct smoke detector typically installed?
Outside the building
On the ceiling
Inside the duct work
Near the windows
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be ensured about the slots of the sampling tube in an outside duct detector?
They face the opposite direction of air flow
They are painted
They are closed
They are in the same flow of the air
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why must a duct detector be specifically listed for duct use?
To prevent false alarms
To ensure it fits in the duct
To ensure it can detect smoke effectively
To reduce installation costs
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of signal do most duct detectors send to the fire alarm system?
Supervisory signal
Warning signal
Alarm signal
Emergency signal
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Under what condition is an alarm signal permitted from a duct detector?
When the temperature is high
In some specific instances
When the building is empty
When the HVAC system is off
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