Daily Security Management Technology Question (11.16)
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This post was last edited by 68589544 on 2016-11-16 08:41. 1. Among the requirements for the surfaces of main roads within a factory area, the width of a main road with one-way traffic signs should be no less than ( ) meters. A. 3 B. 5 C. 7 D. 10 2. In a production environment, when the temperature of an object exceeds 1200°C, radiation in the form of electromagnetic waves of which type will appear? A. Radio frequency radiation B. Infrared radiation C. Ultraviolet radiation D. Lasers. Reference: 1. A 2. C
1. A.3 2. C. Ultraviolet radiation
1.A, 3 meters； 2.C, ultraviolet radiation