CFAA Fire Alarm Technician · Question
What is the purpose of the first-stage signal in a two-stage fire alarm system?
NBCC 3.2.4.4.(1)(a) specifies the first stage is an alert signal to advise staff of a fire emergency.
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Question: What is the purpose of the first-stage signal in a two-stage fire alarm system?
Answer options:
- Immediate evacuation of the floor of origin ✅ An alert signal to advise staff of a fire emergency
- A silent notification to the fire department only
- Activation of all smoke control fans only
Correct answer: An alert signal to advise staff of a fire emergency
Explanation: NBCC 3.2.4.4.(1)(a) specifies the first stage is an alert signal to advise staff of a fire emergency.
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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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