CFAA Fire Alarm Technician · Question
The sound pressure level in a sleeping room must be at least ____ when measured with the door closed.
The NBCC requires 75 dBA minimum in a sleeping room with doors closed. (524 and 536/537 define testing/placement).
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Question: The sound pressure level in a sleeping room must be at least ____ when measured with the door closed.
Answer options: ✅ 75 dBA
- 85 dBA
- 90 dBA
- 100 dBA
Correct answer: 75 dBA
Explanation: The NBCC requires 75 dBA minimum in a sleeping room with doors closed. (524 and 536/537 define testing/placement).
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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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