1.Who is authorized to install an underground gas line for a brick grill? 1.谁被授权为砖砌烧烤炉安装地下燃气管线？

A. General contractor A. 总承包商

B. Landscaper B. 园林工

C. City inspector C. 市政检查员

D. OSHA official D. OSHA 官员

2.What is the purpose of broom-finishing concrete? 2.对混凝土进行扫帚拉毛处理的目的是什么？

A. Remove debris A. 清除杂物

B. Level the surface B. 找平表面

C. Creating traction C. 增加防滑摩擦力

D. Prevent erosion D. 防止侵蚀

3.Why is a broom finish applied to freshly placed concrete? 3.为什么要在新浇筑的混凝土表面进行扫帚处理？

A. To form grooves that improve traction and reduce slipping A. 形成沟纹以增加摩擦力、防止滑倒

B. To remove all surface debris B. 清除所有表面杂物

C. To speed up surface hardening C. 加快表面硬化

D. To evenly spread sand over the slab D. 将沙子均匀铺在混凝土上

4.What is the best way to break limestone within a confined 3＂ × 8＂ space? 4.在 3\" × 8\" 的狭小空间内，破碎石灰岩的最佳方法是？

A. Sledgehammer A. 大锤

B. Shovel and grinder B. 铁锹和磨机

C. Hammer and hand chisel C. 锤子和手凿

D. Jackhammer with air compressor D. 带空压机的风镐

5.What is the proper method for carrying a bag of cement? 5.正确搬运一袋水泥的方法是？

A. Over the shoulder A. 扛在肩上

B. Arms bent with straight knees B. 弯曲手臂、双腿伸直

C. Holding it close to the ground C. 贴近地面搬运

D. Piercing the bag and carrying it with rebar D. 用钢筋戳破袋子后提着

6.What is the correct lifting technique for a 60-pound bag of concrete? 6.搬运一袋 60 磅混凝土的正确姿势是？

A. Curved back with straight legs A. 背部弯曲、双腿伸直

B. Bent knees with a straight back B. 膝盖弯曲、背部保持笔直

C. Bent knees and bent back C. 膝盖和背部同时弯曲

D. Straight legs and straight back D. 双腿与背部都保持笔直

7.After pouring an attached patio slab, which condition may require correction by an inspector? 7.浇筑与建筑相连的露台混凝土板后，哪种情况可能需要检查员要求整改？

A. Grass height exceeds slab height A. 草坪高度高于混凝土板

B. Slab thickness measures 3.5 inches B. 板厚为 3.5 英寸

C. Patio slab slopes toward the house C. 露台混凝土板向房屋方向倾斜

D. Slab sits above grade D. 混凝土板高于地面

8.What causes efflorescence at the base of a stucco wall? 8.灰泥墙底部出现泛碱（白霜）的原因是什么？

A. Germination A. 发芽

B. Pollination B. 授粉

C. Insect activity C. 昆虫活动

D. Salts leaching out of the stucco D. 灰泥中的盐分被析出

9.Mortar is typically made from which materials? 9.砂浆通常由哪些材料组成？

A. Water and sand A. 水和砂

B. Cement and sand B. 水泥和砂

C. Sand water and aggregate C. 砂、水和骨料

D. Cement lime sand and water D. 水泥、石灰、砂和水

10.When installed horizontally, perforated drainage pipe holes should face: 10.水平铺设打孔排水管时，孔洞应朝向哪一侧？

A. Sideways A. 侧面

B. At a 45-degree angle B. 45 度角

C. Down C. 向下

D. Up D. 向上

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