One Question per Day (2016.9.7)
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The last edit to this post was made by 68589544 on 2016-9-8 at 15:44. 1. The exhaust intake for accidents in a plant that generate flammable gases or vapors with a density lower than that of air should be located in ____. A The upper edge of the air intake should be no more than 0.4m from the ceiling. B The distance from the upper edge of the air intake to the ceiling
The upper edge of the D air intake is in close contact with the ceiling; C – emergency ventilation system
I think there’s an issue with answer A for the first question
1. The exhaust intake for accidents in the plant, which generates flammable gases or vapors with a density lower than that of air, should be located at ____. 2. In indoor work areas where the upper edge of the air intake is no more than 0.4 m above the ceiling, and where large amounts of harmful substances may suddenly be released during production, or where chemicals that can cause acute poisoning or are flammable and explosive are used, ____ should be installed. C Accident ventilation system
1. A. ------------2、C