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When the smokes reaches the device and sets off the alarm

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Q: When does the fire alarm really go off?
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Why does my fire alarm go off when I blow dry my hair?

because it probably has a heat detector in the alarm therefor it goes off.


What warns people of a fire in their house?

The smoke/fire alarm will go off or you will see smoke. You could also see the fire.


Why does the smoke alarm go off when someone burns toast?

Smoke alarms are hung so that if there is a fire you will know it. If toast is smoking then the alarm will detect it.


What is the difference between manual and automatic fire alarms systems?

An automatic alarm system detects fires and sets off the alarm even if there is nobody around to detect the fire. A manual system will only go off when someone pulls the alarm switch after smelling or seeing smoke or seeing or feeling heat of a fire.


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they would follow the people who are in charge or ask where to go


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His behaviour caused alarm bells to ring in the officer's heads.I need a new alarm clock because I threw mine against the wall again.The early warning alarm saved thousands of lives.


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the alarm must of been faulty so i think you should get it checked because that is not really normal hope this helps


If you disconnect the BMW 530 battery will the alarm go off?

If you set the alarm (i.e. lock the car) and then disconnect the battery, the alarm will go off. If you disconnect the battery when the alarm is not set (i.e. when the car is unlocked) the alarm will not go off. (So don't try to nick a locked one).


Why can a fire alarm go off without a fire?

A smoke alarm or temperature sensor will also detect quick increases in ambient temperature. If your smoke detector is going off for no reason, it may be too close to a heat source like a stove, bathroom or furnace room, or it may be defective and need servicing.


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What are the functions of a business security alarm?

A business security alarm has many functions. It can call the cops when a robbery is in progress by pushing the silent alarm or the alarm will go off when a break in happens that automatically calls the cops. It also can be used to call the fire department or an ambulance with a touch of a button.