CFAA Fire Alarm Technician · Question
Which measurement is mandatory when verifying audible signal devices in a building?
Section 5.10 requires signals to be tested under 'worst-case' battery conditions or with the charger disconnected to ensure the battery can handle the load. Max
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Question: Which measurement is mandatory when verifying audible signal devices in a building?
Answer options: ✅ Sound pressure levels (dBA) measurements
- Visual light intensity (Candela) using a light meter
- The temperature of the horn/strobe housing
- The resistance of the speaker voice coil
Correct answer: Sound pressure levels (dBA) measurements
Explanation: Section 5.10 requires signals to be tested under 'worst-case' battery conditions or with the charger disconnected to ensure the battery can handle the load. Maximum and minimum sound levels must be measured.
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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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