機材ch7-1,7-2

機材ch7-1,7-2

9th - 12th Grade

20 Qs

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機材ch7-1,7-2

機材ch7-1,7-2

Assessment

Quiz

Specialty

9th - 12th Grade

Practice Problem

Hard

Created by

mege mege

Used 2+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

鑄鐵中碳的含量範圍是多少?

A. 1.0%-5.0%
B. 2.0%-6.67%
C. 3.0%-7.0%
D. 4.0%-8.0%

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

當碳含量在2.0%至4.3%時,鑄鐵的組織為何?

A. 全為鐵素體
B. 全為賽門賽鐵
C. 鐵素體和賽門賽鐵的共晶體
D. 初生賽門賽鐵和剩餘共晶體

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

當碳含量在4.3%至6.67%時,鑄鐵的組織為何?

A. 全為鐵素體
B. 全為賽門賽鐵
C. 鐵素體和賽門賽鐵的共晶體
D. 初生賽門賽鐵和剩餘共晶體

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列何種鑄鐵中賽門賽鐵呈片狀分布?

A. 灰口鑄鐵
B. 白口鑄鐵
C. 可鍛鑄鐵
D. 球狀石墨鑄鐵

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列何種鑄鐵中賽門賽鐵以細小顆粒狀存在?

A. 灰口鑄鐵
B. 白口鑄鐵
C. 可鍛鑄鐵
D. 球狀石墨鑄鐵

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

矽(Si)的增加會對鑄鐵的何種性質產生影響?

A. 提高強度
B. 降低強度
C. 提高硬度和脆性
D. 以上全是

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

錳(Mn)的作用是什麼?

A. 提高強度和硬度
B. 降低強度和硬度
C. 增加延展性
D. 以上都不對

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