CFAA Fire Alarm Technician · Question
When installing smoke detectors on a peaked ceiling, the first row of detectors must be located within what horizontal distance of the peak?
For peaked ceilings, the first row of detectors must be located within 900 mm of the peak measured horizontally. Space remaining is based on the horizontal proj
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Question: When installing smoke detectors on a peaked ceiling, the first row of detectors must be located within what horizontal distance of the peak?
Answer options:
- 300 mm
- 600 mm ✅ 900 mm
- 1200 mm
Correct answer: 900 mm
Explanation: For peaked ceilings, the first row of detectors must be located within 900 mm of the peak measured horizontally. Space remaining is based on the horizontal projection of the ceiling.
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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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