下列何者非屬活塞式音響校正器特性?
噪音與振動 CH3
Quiz
•
Physics
•
University
•
Hard
Karen Chuang
Used 3+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
易受大氣壓力變化影響
利用往復壓縮空氣產生音源
可產生多種頻率音源
僅能產生單一頻率音源
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
依據噪音能量疊加原理，監測音壓級比背景音量高出多少分貝時，背景噪音可忽略?
3
5
8
10
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
噪音劑量計的微音器高度應接近下列何位置為宜?
耳部
胸部
頭頂
腰部
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
噪音計在下列哪一個頻率(赫) 之純音，以A、B及C權衡電網監測時，結果相同?
100
1000
2000
16000
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列何種權衡電網最具平坦特性?
A
B
C
F
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