第四章管道终端安装

1.What process should be used at connection points to ensure waterproof sealing? 1.管道连接点处，应使用何种工艺确保防水密封？

A. Use adhesive only A. 仅用胶水

B. Arbitrary welding B. 随意焊接

C. Use wrapping tape only C. 仅用缠绕带

D. Materials and workmanship compliant with ANSI Z124 standards D. 符合ANSI Z 124标准的材料与工艺

2.What is the primary purpose of insulating hot water pipes? 2.热水管道保温的主要目的是什么？

A. Prevent rusting A. 防止生锈

B. Prevent burns and save energy B. 防烫与节能

C. Increase pipe toughness C. 增加管道韧性

D. Reduce water pressure D. 降低水压

3.What kind of fasteners should be used for securing toilets and washbasins? 3.固定马桶、面盆等洁具时，应选用？

A. Standard iron nails A. 普通铁钉

B. Corrosion-resistant high-strength fasteners B. 耐腐蚀、高强度固定件

C. Plastic clips C. 塑料扣

D. Double-sided tape D. 双面胶

4.What is the requirement for seismic securing straps for units over 52 gallons? 4.对于52加仑以上的热水器，抗震固定带的要求是？

A. At least on A. 至少一道

B. At least two B. 至少两道

C. At least three C. 至少三道

D. No fixed requirement D. 无需固定

5.Why must the exhaust pipe be inspected for gas water heaters? 5.燃气式热水器检查排烟管是为了？

A. Energy conservation A. 节能

B. Prevention of exhaust gas leakage B. 防止废气泄漏

C. Noise reduction C. 减少噪音

D. Aesthetic enhancement D. 增加外观

6.What must be considered for pipeline installation in cold areas? 6.在寒冷地区，管道安装需考虑？

A. Corrosion protection A. 防腐

B. Winter freeze protection measures B. 冬季防冻措施

C. Noise reduction C. 降噪

D. Changing flow direction D. 改变流向

7.What are the key locations for shut-off valve installation? 7.截止阀安装位置的关键点包括？

A. Building entrance upstream of equipment A. 入户处、设备前端

B. Roof B. 房顶

C. Garage C. 车库

D. Courtyard D. 庭院

8.How to prevent or address valve sticking? 8.如果截止阀发生“卡顿”，应如何处理？

A. Strike forcefully A. 用力敲击

B. Regularly clean remove rust and practice opening and closing B. 定期清洁、除锈及开关练习

C. Replace the piping C. 更换管道

D. Remove the valve D. 拆除阀门

9.What is a specific requirement for medical facility pipelines? 9.医疗设施管道安装的特殊要求是？

A. Must be aesthetically pleasing A. 必须美观

B. Sterile and leak-free B. sterile（无菌）且无泄漏

C. Uses plastic tubing C. 使用塑料管

D. Must be exposed D. 必须外露

10.What standard must accessibility pipelines follow? 10.无障碍管道（Accessibility Pipelines）需遵循什么标准？

A. Medical standards A. 医疗规范

B. Architectural aesthetics B. 建筑美学

C. California accessibility standards C. 加州无障碍规范

D. Energy efficiency standards D. 节能标准

吉象智能为您解答