1.When a perforated drainage pipe is installed horizontally, the perforation openings should face:
1.当水平安装带孔排水管（Perforated Drainage Pipe）时，管孔开口方向应朝向：
2.Who is responsible for verifying the proper slope and grade of an excavation trench?
2.谁负责确认开挖沟槽的坡度和标高是否符合要求？
3.Which instrument is used to measure atmospheric pressure conditions inside a tunnel?
3.在隧道内部测量大气压力条件应使用哪种仪器？
4.What is a common cause of pipeline deflection after installation?
4.管道安装完成后发生偏移（Deflection）的常见原因是什么？
5.All of the following pipeline systems require proper grading and slope control EXCEPT:
5.以下所有管道系统都需要进行正确坡度和标高控制，除了：
6.A liquid waterproofing adhesive is recommended when pavement temperatures exceed:
6.当路面温度超过多少时，建议使用液体防水粘结剂？
7.Tunnel grout mixtures often include fly ash. What property does fly ash provide to the grout mixture?
7.隧道注浆材料通常会加入粉煤灰（Fly Ash），其主要作用是什么？
8.What is the minimum required coupling diameter for a tunnel liner plate system?
8.隧道衬砌板系统（Tunnel Liner Plate System）要求的最小连接螺栓直径是多少？
9.When tested according to ASTM D2412, the minimum pipe stiffness requirement for corrugated PVC pipe shall be:
9.根据 ASTM D2412 测试标准，波纹 PVC 管（Corrugated PVC Pipe）的最小管刚度要求是多少？
10.Highway tunnels, shafts, or pits shall maintain a minimum lateral distance of how many feet from the edge of pavement?
10.高速公路隧道、竖井或坑槽距离路缘（路面边缘）的最小水平距离是多少？
