Interior walls must have a minimum Sound Transmission Class (STC) between adjace

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试卷: WELL AP v2模拟题 A卷[查看]
Interior walls must have a minimum Sound Transmission Class (STC) between adjacent Quiet zones per Part 1: Design for Sound Isolation at Walls and Doors of Feature: S03 Sound Barriers?根据条款S03：声障中部分1：墙体和门的隔音设计要求，安静区域与安静区域之间的内墙必须满足最小的空气声隔声等级（STC）值是？
A: 45
B: 50
C: 40
D: 60

参考答案: B