According to Part 2: Achieve Sound Isolation at Walls of Feature S03: Sound Barr

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发表于 2022-12-8 16:28:53 |只看该作者 |正序浏览

试卷: WELL AP v2模拟题 A卷[查看]
According to Part 2: Achieve Sound Isolation at Walls of Feature S03: Sound Barriers, what is the minimum Noise Isolation Class (NIC) or Weighted Difference Level (Dw) between rooms for concentration and other regularly occupied spaces? 根据条款S03：声障部分2：实现墙体隔音的要求，专注空间与其他常规使用空间之间的最低现场噪声隔音等级 (NIC) 或计权隔音量 (Dw) 是多少？
A: 45
B: 55
C: 40
D: 60

参考答案: C