機材CH7是非+解釋

機材CH7是非+解釋

9th - 12th Grade

20 Qs

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機材CH7是非+解釋

機材CH7是非+解釋

Assessment

Quiz

Specialty

9th - 12th Grade

Practice Problem

Medium

Created by

mege mege

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

鑄鐵是鐵碳合金,碳含量在2.0%到6.67%之間。

Yes
No

Answer explanation

文件7-1章節提到鑄鐵中碳的含量範圍為2.0%至6.67%。

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

當碳含量在2.0%至4.3%時,鑄鐵的組織全為賽門賽鐵。

Yes
No

Answer explanation

文件7-1章節提到,在此範圍內鑄鐵的組織為鐵素體和賽門賽鐵的共晶體。

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

白口鑄鐵中的賽門賽鐵呈細小顆粒狀分布。

Yes
No

Answer explanation

文件7-1章節指出白口鑄鐵中賽門賽鐵以細小顆粒狀存在。

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

磷元素的增加會降低鑄鐵的延展性和韌性。

Yes
No

Answer explanation

文件7-2章節提到磷會降低鑄鐵的延展性和韌性。

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

普通鑄鐵的硬度範圍約在HB50-HB150之間。

Yes
No

Answer explanation

文件7-3章節指出普通鑄鐵的硬度範圍約在HB100-HB277之間。

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

FC250級別的普通鑄鐵適合製造農業機械零件。

Yes
No

Answer explanation

文件7-3章節提到FC250等級可製造農機等中等強度要求的產品。

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

我們日常使用的鑄鐵鍋具通常採用FC300級別的鑄鐵。

Yes
No

Answer explanation

文件7-3章節說明鑄鐵鍋具通常使用FC150或FC200等級的普通鑄鐵。

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