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English Translations » 历史存档[信息] » Daily Security Technology Quiz (2016.9.8)

Daily Security Technology Quiz (2016.9.8)

2016-09-07View Original

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1. In workshops with explosion hazards, lighting fixtures and electrical switches should be of explosion-proof type. The electrical switch should be installed at ____. A. Next to the interior door B. Next to the exterior door C. Near the indoor lighting 2. How many people are generally needed to operate a wheeled dry powder fire extinguisher? ____ A. One person B. Two people C. Three people D. Three or more people The correct answers are: B; B
Reply #22016-09-08
1. B. --------2、B
Reply #32016-09-08
1. In workshops with explosion hazards, lighting fixtures and electrical switches should be of explosion-proof type. The electrical switch should be installed at _B___. A. Next to the interior door B. Next to the exterior door C. Near the indoor lighting 2. How many people are generally needed to operate a wheeled dry powder fire extinguisher? _B___. A、One person B、Two people C、Three people D、Three or more people

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Translated at 2026-07-20 23:27:13

Original: https://bbs.hcbbs.com/thread-1615132-1-1.html

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