1.According to Cal/OSHA ladder classifications, which ladder type is rated for a 300-pound working load? 1.根据Cal/OSHA梯子分类，哪一种梯子的额定工作荷载为300磅？

A. Type II Medium Duty ladder A. Type II 中型梯

B. Special Duty ladder B. 特殊用途梯

C. Type IA Extra Heavy Duty ladder C. Type IA 超重型梯

D. Type I Heavy Duty ladder D. Type I 重型梯

2.If an excavation contractor fails to contact Underground Service Alert (811) due to negligence, what penalty may apply? 2.如果开挖承包商因疏忽未联系地下设施警报系统（811），可能面临什么处罚？

A. Up to $10000 A. 最高10000美元

B. Up to $20000 B. 最高20000美元

C. Up to $5000 C. 最高5000美元

D. Up to $15000 D. 最高15000美元

3.What is the role of the Division of Occupational Safety and Health (DOSH)? 3.职业安全与健康管理局（DOSH）的职责是什么？

A. An agency responsible for enforcing general employment laws A. 负责执行一般劳动就业法律的机构

B. A department that manages employee PPE standards only B. 仅负责管理员工PPE标准的部门

C. An organization responsible for controlling construction workmanship C. 负责控制建筑施工质量的组织

D. The authority responsible for enforcing Cal/OSHA regulations D. 负责执行Cal/OSHA法规的主管机构

4.What are the four primary categories of electrical injuries that may occur in the workplace? 4.工作场所可能发生的四类主要电气伤害包括哪些？

A. Heat stroke fire frostbite and falls A. 中暑、火灾、冻伤和跌落

B. Electrocution electrical shock burns and indirect electrical injuries B. 电击死亡、电气冲击、烧伤以及间接电气伤害

C. Burns overheating direct injuries and personal shock C. 烧伤、过热、直接伤害和个人触电

D. All of the above D. 以上全部

5.According to Cal/OSHA ladder classifications, a Type II Medium Duty ladder must support a working load of: 5.根据Cal/OSHA梯子分类，Type II中型梯（Medium Duty Ladder）的工作承载能力是多少？

A. 200 pounds A. 200磅

B. 300 pounds B. 300磅

C. 225 pounds C. 225磅

D. 400 pounds D. 400磅

6.Identify the type of scaffold shown in the image. 6.识别图片中所示的脚手架类型。

A. Fabricated frame scaffold A. 预制框架脚手架

B. Manually propelled mobile scaffold B. 人工推动式移动脚手架

C. Ladder jack scaffold C. 梯式脚手架

D. System scaffold D. 系统脚手架

7.For Type C soil, the maximum allowable slope requires that for every 1 foot of vertical excavation depth (V), the trench must be sloped back: 7.对于C类土（Type C Soil），最大允许边坡坡度要求为：每1英尺垂直开挖深度（V），沟槽必须向后放坡多少？

A. 1 foot A. 1英尺

B. 2 feet B. 2 英尺

C. 1/4 foot C. 1/4 英尺

D. 1-1/2 feet D. 1-1/2 英尺

8.During excavation activities, when is a protective shoring system required to be designed by a registered professional engineer? 8.在开挖施工过程中，什么时候防护支护系统必须由注册专业工程师设计？

A. Excavations 50 feet or deeper A. 开挖深度达到或超过50英尺

B. Excavations 20 feet or deeper B. 开挖深度达到或超过20英尺

C. Excavations 30 feet or deeper C. 开挖深度达到或超过30英尺

D. Excavations 6 feet or deeper D. 开挖深度达到或超过6英尺

9.Identify the type of eye protection shown in the image. 9.识别图片中所示的眼部防护用品类型。

A. Safety goggles A. 安全护目镜

B. Safety spectacles B. 安全眼镜

C. Welding shield C. 焊接防护面罩

D. None of the above D. 以上都不是

10.According to safety regulations, when a workplace is located more than how many feet above the ground or another unsafe surface must safety nets be installed? 10.根据安全法规，当工作场所距离地面或其他危险表面超过多少英尺时，必须安装安全网？

A. 25 feet A. 25 英尺

B. 30 feet B. 30 英尺

C. 75 feet C. 75 英尺

D. 10 feet D. 10 英尺

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