NICET FA IV practice test

NICET FA IV · Question 1 of 2560:25

Complex Fire Alarm System Operations

Beam detectors in a warehouse report trouble on hot afternoons. Both ends are bolted to roof steel that expands in the heat. What is the best fix?

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Remount both ends on stable structureLower the detectors' sensitivity during the afternoon hoursDisable the detectors on hot days and restore them each eveningReplace the beams with spot detectors at the same roof height

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