CFAA Fire Alarm Technician · Question
What is the minimum clearance required between a smoke detector and the edge of a supply air diffuser?
Under S524, smoke detectors shall not be installed within 450 mm of the tip of a ceiling fan blade or the discharge of a supply air diffuser.
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Question: What is the minimum clearance required between a smoke detector and the edge of a supply air diffuser?
Answer options:
- 300 mm ✅ 450 mm
- 900 mm
- 1.5 m
Correct answer: 450 mm
Explanation: Under S524, smoke detectors shall not be installed within 450 mm of the tip of a ceiling fan blade or the discharge of a supply air diffuser.
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Question explanations
- The primary power for a fire alarm system must be:
- If a 120VAC primary power circuit for a fire alarm control unit is consuming 60 Watts of power, what is the cu
- In a steady-state DC circuit, if the conductor length is doubled while maintaining voltage and wire gauge, wha
- A resistor is rated at 10 Watts at 24VDC. If the voltage drops to 20VDC, what is the new power dissipation?
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