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Welding and Cutting training

Authored by ayam merah

Life Project

Professional Development

Used 2+ times

Welding and Cutting training
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10 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

焊工在焊接前应该做什么?

喝咖啡

玩手机

检查焊接设备和个人防护装备

查看微信

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

火三角的组成部分是什么?

燃料、氧气、热量

氧气、甲烷、木材

燃料、木材、硫化氢

燃料、水、风、空气

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

4合1气体检测器中有哪些指标

氧气、乙炔、氮气、氢气

氧气、硫化氢、一氧化碳、低爆炸极限

氧气、硫化氢、丁烷、硫酸

氧气、氢气、氮气、甲烷

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

下列哪项属于焊接用的 PPE?

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5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

4. H2S气体的下限(LEL)是多少?

4%

7%

9%

10%

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

空气中氧气的范围是多少?

19,5% - 20,9%

10% - 15%

34,5% - 41,2%

51% - 57,5%

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

使用什么合适的工具来点燃气瓶火炬?

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