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筆試補充練習1 - B

Authored by Charlene Cher

World Languages

10th Grade

筆試補充練習1 - B
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96 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

電動機為安全維修,會安裝那元件?

溶斷器

接觸器

超載保護

上鎖隔離開關

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

電動機在緊急情況下停止的裝置

急停掣

溶斷器

接觸器

三相斷路器

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

連接可移動用具的軟電線長度要適中,最好為

1.5至2米

4至5米

6至7米

8至9米

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

假天花外使用金屬軟喉長度不能超過 ____ 米

4

3

2

1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

兩個40μF電容串聯,等於 ____ μF

10

20

30

40

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

第一電路與第二電路若安裝在同一導通,其第二路的絕緣要求,何抵受第一電路

電流

電阻

電壓

電感

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

電感的阻值單位是

庫倫

歐姆

伏特

亨特

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