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機械職群

Authored by 比比波波 比比波波

Education

9th Grade

Used 2+ times

機械職群
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200 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

目前工業上廣泛採用的傳統潤滑劑是

動物油  
礦物油  
植物油  
黃油

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

車床橫向進給刻度環每刻度進給為0.025mm,若工件直徑為30.4mm,欲車削至直徑為30.0mm時,則刻度環應轉多少格

8格  
16格  
4格  
12格

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

前隙角大小,影響刀具磨耗率與使用壽命,前隙角增大,下列那項陳述為錯

可延長刀具壽命  
向前進刀阻力增加  
會增加磨耗面積  
刀尖強度減弱

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

以比例1:10繪圖,若圖面長度為50mm,則實際長度應為

100mm  
500mm  
50mm  
5mm

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

下列對斷屑槽之敘述何者有誤

進給率提高,切屑曲捲半徑急速增大  
進給率一般取在0.1~0.5mm/rev  
影響斷屑因素是進給率和切削速度  
切削深度一般取在0.4~5.0mm

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

車床工作中利用剎車的目的為

急速停車  
防止刀尖破裂  
防止頂心鬆脫  
保護工件

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

一般車床,橫滑台進刀螺桿之牙型為

梯形螺紋  
60°三角螺紋  
方螺紋  
圓螺紋

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