71. When the fire alarm ___ (响起), people ran out of the building immediately. (go) 72. She got high enough marks to ___ (申请) this university. (for) 73. I have no idea how John would ___ (反应) the news. (react) 74. The meeting ___ (结束) at last after his speech...
—Were youfrightened at the sound of the fire alarm —No,everyone stayed___and obeyed the police. A.calm B.quiet C.silent D.still 免费查看参考答案及解析 题目: 假如你是某英文报刊的通讯员, 请根据以下表格以“A Big Forest Fire”为题,写一篇简单报道,并发表你的看法。(about 110 words)。 参...
Initial Full Alarm Assignment Capability, as outlined in NFPA Standard 1710, recommends that the “fire department shall have the capability to deploy an initial full alarm assignment within a 480-second travel time to 90 percent incidents. NFPA 1710 requires a minimum of 16 firefighters and one ...
Using strong chemicals and aerosols near your smoke alarm can be another unexpected cause of false alarms. Products like aerosol sprays, heavy perfumes, or even strong cleaning agents can trigger your smoke alarm if used in close proximity. Always ventilate the area well when using these products....
Applications 1.Alarm Mechanism 2.Fire resistance Product Parameters S/No. Specification Structure Outside Diameter HZSP-AC-11019 1*2*0.2Square 1*2*1/0.5mmBC+1.6mm antiflaming PVC +0.4TCU drain wire+ Aluminum foil twist O.D:4.9mm fire resistance PVC HZSP-AC-11020 1*2*0.5Squar...
software. The digital images from the cameras come into the computer where it determines if the images have any visible indications of the fire. If the computers conclude the visual signature of smoke or fire is present, information is sent through a connection to the fire alarm system. ...
alarm throughout the zone when it detects smoke from a single source: burned popcorn in a community microwave for example. The cost savings is realized in the avoidance of false alarms which can cost you anywhere from $57 to $233 per quarter hour depending on the level of emergency response...
These are: • Fire alarm control panel, BS-420. BS-420 is the main panel in the AutroSafe family. It can be used as a stand-alone panel as well as part of a network system. All operations, alarm management, indications and other functions within an operation zone are controlled and...
Besides the actual cameras, a complete fire detection system includes other components, such as image processing and alarm equipment, but the design and cost of these are outside the scope of our work. Cost-efficient design of thermal camera systems for outdoor bio-fuel surveillance is a ...
Application structured cabling, CCTV system , Alarm system , Telecom project etc. Compared with cat5 and cat5e,CAT6 CABLE features more stringent specifications for crosstalk and system noise. Can be used for voice, integrated service data network (ISDN)...