CFAA Fire Alarm Technician · Question
According to the sequence of operations, what occurs when a sprinkler valve tamper switch is operated?
Supervisory signals (e.g., waterflow pressure switch or valve tamper) must be verified to ensure they do not initiate a building-wide alarm but do notify the mo
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Question: According to the sequence of operations, what occurs when a sprinkler valve tamper switch is operated?
Answer options: ✅ They must result in a distinct supervisory signal at the control unit.
- They must activate the fire alarm bells immediately.
- They must initiate the smoke control fans.
- They must bypass the central station.
Correct answer: They must result in a distinct supervisory signal at the control unit.
Explanation: Supervisory signals (e.g., waterflow pressure switch or valve tamper) must be verified to ensure they do not initiate a building-wide alarm but do notify the monitoring station and control unit.
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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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