The meaning of SMOKE DETECTOR is an alarm that activates automatically when it detects smoke —called also smoke alarm.
Occasionally, you will walk into a store and a bell will go off as you cross the threshold. If you look, you will often notice that aphoto beam detectoris being used. Near the door on one side of the store is alight(either a white light and a lens or a low-powerlaser), and on ...
a smoke detector must always be placed___. a.on any level of a home b.outside all hedrooms in a home c.in all hallways of a home d.in kitchens where fires are most likely to star 免费查看参考答案及解析 题目: [单选题] tom's mother always told him not to smoke again, but_...
Your smoke detector is sensitive to dust and particles in the air. Before performing any activity near the smoke detector which may cause excessive dust or smoke, such as remodeling or soldering, place your system on test to avoid a false alarm. Please refer to the System Test page. If ...
Do not install smoke detectors near windows, ducts, bathrooms or stoves, as the drafts/steam/cooking smoke could set off a false alarm. Test your smoke detectors once a month by pushing the test alarm button. Change your smoke detector batteries at least once a year. If your smoke detector...
IN THIS UNIQUE CIRCUMSTANCE," the department said in the post. "The morning sun will heat the air in the atmosphere, smoke will lift, and detectors should reset themselves. Be patient for a few hours and if you turn your heat back on, and your CO detector is still activated, call 911...
Smoke detectors detect smoke from smoldering fires, making them a good choice for at-home applications, such as sleeping areas. The particles in the air from the smoke set off the alarm. However, steam from showers and smoke from cooking can also set off a smoke detector. ...
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In a large volume space with air conditioning systems typically with air upper blowing in and lower return, or in hot summer days, near the floor, the air temperature is nearly constant due to the heat transfer between the air, the floor, the vented doors and windows, and the walls. ...
aHeat detecting when the temperature is near the area in smoke detectors at a certain level, heat detector warning fire 热查出,当温度在区域附近在烟检测器在某一水平,热探测器警告火[translate]