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噪音與振動 CH1-2

Authored by Karen Chuang

Physics

University

Used 6+ times

噪音與振動 CH1-2
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

作業環境中之危害因素共幾類?

2(物理、化學)

3(物理、化學、生物)

4(物理、化學、生物、人因)

5(物理、化學、生物、人因、心理)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

噪音屬於何種危害因素?

化學性

物理性

生物性

人體工學

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

密度愈大的介質其傳音的速度愈快,介質之傳播速度排序為

氣體 > 固體 > 液體

液體 > 固體 > 氣體

固體 > 液體 > 氣體

我們都一樣

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

人耳可聽見聲音之頻率範圍?

20~200 Hz

20~2000 Hz

20~20 k Hz

20~200 k Hz

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

聲音強度之單位為

W

W/m2

N

N/m2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

人耳所能察覺之音壓範圍?

20~200 Pa

2~6 Pa

20μ~60μ Pa

20μ~200 Pa

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

單位時間所輸出之能量為?

音功率

音強度

音壓

以上皆非

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