【Daily Topic】【Engineering Version 20160111】
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Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. Among the noise control measures for sources that exceed the allowable noise levels at the following construction sites, which one belongs to the measure of relocating the noise source? A. Replace diesel engines with electric air compressors. B. Produce doors and windows in the factory workshop. C. Install resistive silencers at the inlet and outlet ducts of the blowers. D. Handle materials gently when loading and unloading. [Haichuan Thanksgiving] -- Production Area. The [Production and Management Area] is seeking moderators and technical discussants to join
Among the noise control measures for sources that exceed the allowable noise levels at the following construction sites, the measure that belongs to the category of source relocation is (B). A. Replace diesel engines with electric air compressors. B. Produce doors and windows in factory workshops. C. Install resistive silencers at the inlet and outlet ducts of blowers. D. Handle materials gently during loading and unloading
C. Install resistive silencers at the inlet and outlet ducts of the blower
Among the noise control measures for sources that exceed the allowable noise levels at the following construction sites, the measure that belongs to the category of source relocation is (B). A. Replace diesel engines with electric air compressors. B. Produce doors and windows in factory workshops. C. Install resistive silencers at the inlet and outlet ducts of blowers. D. Handle materials gently during loading and unloading
B: Produces doors and windows in the factory workshop
Among the noise control measures for sources that exceed the allowable noise levels at the following construction sites, the measure that belongs to the category of source relocation is (B). A. Replace diesel engines with electric air compressors. B. Produce doors and windows in factory workshops. C. Install resistive silencers at the inlet and outlet ducts of blowers. D. Handle materials gently during loading and unloading
Among the noise-control measures for sources that generate excessive noise at the following construction sites, the measure that falls under the category of relocating the noise source is (B: manufacturing doors and windows in factory workshops).