Safety Technology Exchange Edition: Daily Question (2016.7.25)
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1.jpg1. Methods for searching for trapped persons at a fire scene do not include ____. A. Ask those who are aware of the situation. B. Have people who have just left the area at risk return to the site to search there. C. Call out to the people trapped. D. Have rescue workers carry out searches professionally. 2. The shielding devices must be large enough and must maintain a sufficient safety distance from live electrical components; in particular, the distance between the barriers and low-voltage exposed conductors should not be less than ____ meters. A.0.5 B.0.6 C.0.7 D.0.8 B;D
1. Methods for searching for trapped persons at a fire scene do not include ____. B. Allow those who have just left the area at risk of fire to return inside the fire site to search there. 2. The protective devices must be large enough to maintain a sufficient safety distance from live conductors; in particular, the distance between the barriers and the exposed low-voltage conductors should not be less than ____ meters. D.0.8
1. B. Have those who have just left the area at risk return to the fire site to search for them； 2. D.0.8