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電腦輔助機械設計製圖學科_第03部分

Authored by 朕權 楊

Professional Development

1st Grade

Used 4+ times

電腦輔助機械設計製圖學科_第03部分
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25 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 4 pts

中心線及尺度界線都是 ①粗線 ②中線 ③細線 ④粗細自定 。

粗線

中線

細線

粗細自定

2.

MULTIPLE CHOICE QUESTION

20 sec • 4 pts

正確的標註法為

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3.

MULTIPLE CHOICE QUESTION

20 sec • 4 pts

比例1:2時,是表示圖形線長為標註尺度數值的 ①2倍 ②1倍 ③1/2倍 ④12倍 。

2倍

1倍

1/2倍

12倍

4.

MULTIPLE CHOICE QUESTION

20 sec • 4 pts

斜度符號是

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5.

MULTIPLE CHOICE QUESTION

20 sec • 4 pts

算術平均粗糙度縮寫為 ①Ra ②Rc ③Rs ④Rz 。

Ra

Rc

Rs

Rz

6.

MULTIPLE CHOICE QUESTION

20 sec • 4 pts

尺度界線伸出尺度線約 ①6~8㎜ ②4~5㎜ ③2~3㎜ ④1㎜ 。

6~8㎜

4~5㎜

2~3㎜

1㎜

7.

MULTIPLE CHOICE QUESTION

20 sec • 4 pts

參考尺度的表示法為

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