CFAA Fire Alarm Technician · Question
Based strictly on CAN/ULC-S536, what is the minimum frequency for testing water flow switches?
S536 Table 5.1 identifies water flow switches as an annual requirement, though some local jurisdictions may request semi-annual, the National Standard S536 is a
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Question: Based strictly on CAN/ULC-S536, what is the minimum frequency for testing water flow switches?
Answer options:
- Daily
- Monthly
- Semi-Annually ✅ Annually
Correct answer: Annually
Explanation: S536 Table 5.1 identifies water flow switches as an annual requirement, though some local jurisdictions may request semi-annual, the National Standard S536 is annual.
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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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