1.The minimum required steel reinforcement area for reinforced concrete pipe shall not be less than: 1.钢筋混凝土管（RCP）所需最小钢筋面积不得低于：

A. 0.03 square inches per linear foot of pipe barrel A. 每线性英尺管壁0.03平方英寸

B. 0.05 square inches per linear foot B. 每线性英尺0.05平方英寸

C. 0.04 square inches per linear foot C. 每线性英尺0.04平方英寸

D. 0.06 square inches per linear foot D. 每线性英尺0.06平方英寸

2.Steel tunnel lagging installation commonly consists of which methods? 2.钢制隧道支护板（Steel Tunnel Lagging）的安装通常包括哪些方法？

A. Wedging A. 楔紧

B. Clamping B. 夹紧

C. Both A and B C. A和B均包括/

D. Only B D. 仅B

3.Which of the following materials is NOT commonly used for roadway storm drain pipelines? 3.以下哪种材料通常不用于道路雨水排水管道？

A. Concrete pipe A. 混凝土管

B. Copper pipe B. 铜管

C. HDPE pipe C. HDPE管

D. Corrugated aluminum or corrugated steel pipe D. 波纹铝管或波纹钢管

4.Regarding sump and drainage pipe installation specifications, which statement is correct? 4.关于集水坑（Sump）和排水管安装规范，以下哪项正确？

A. The drainage pipe may extend through the entire sump length A. 排水管可以贯穿整个集水坑长度

B. The pipe should extend only to the inside face of the sump B. 管道应仅延伸至集水坑内侧面

C. The pipe may extend into the manhole structure C. 管道可以延伸进入检查井结构

D. The pipe length may be extended without limitation D. 管道长度可以无限延长

5.Concrete surface waterproofing is strongly recommended for surfaces exposed to: 5.混凝土表面防水处理强烈建议用于暴露于以下哪种环境的表面？

A. Contaminated materials A. 污染材料环境

B. Permanently water-saturated areas B. 长期水饱和区域

C. High temperature conditions C. 高温环境

D. Acidic soil or acidic water conditions D. 酸性土壤或酸性水环境

6.Timber members used in trench shoring systems shall have a minimum allowable flexural bending stress (Fb) of: 6.沟槽支护系统中使用的木质构件，其最小允许抗弯应力（Fb）是多少？

A. 750 psi A. 750 psi

B. 1500 psi B. 1500 psi

C. 1600 psi C. 1600 psi

D. 850 psi D. 850 psi

7.Refer to the illustration provided. Determine the total linear footage of guttering required for the drainage system shown. 7.根据提供的示意图，确定该排水系统所需的雨水槽（Gutter）总长度。

A. 148 linear feet A. 148 线性英尺

B. 153 linear feet B. 153 线性英尺

C. 156 linear feet C. 156 线性英尺

D. 157 linear feet D. 157 线性英尺

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