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機材CH6習題

Authored by mege mege

Science

9th - 12th Grade

Used 5+ times

機材CH6習題
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27 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

低合金鋼的合金元素總含量為:

(A)小於等於5%
(B)5%~10%之間
(C)10%~15%之間
(D)15%~20%之間

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

不鏽鋼屬於何種合金鋼?

(A)耐蝕鋼
(B)工具鋼
(C)構造用合金鋼
(D)電磁用鋼。

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列合金鋼添加鉻合金元素的特性敘述,何者有誤?

(A)提高強度、硬度和耐磨性
(B)提高鋼的抗氧化性
(C)提高鋼的耐腐蝕性
(D)提高鋼的延展性

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

合金鋼添加釩合金元素的特性,下列敘述何者有誤?

(A)使鋼晶粒粗化
(B)鋼的優良去氧劑
(C)增加鋼的高溫強度與刀具切削能力
(D)提高抗腐蝕能力

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列添加何種合金元素對鋼之抗拉強度影響最低?

(A)鉻
(B)鉬
(C)矽
(D)鎳

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列何者不屬於易切鋼?

(A)硫系鋼
(B)鉛系鋼
(C)鉻系鋼
(D)錳硫鋼

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

低錳鋼是在鋼中加入多少的錳,性質脆得像玻璃一樣一敲就碎?

(A)2.5~3.5%
(B)4.5~6%
(C)7~10%
(D)11~14%。

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