第四章管道终端安装

1.As California is earthquake-prone, water heater installation must follow which standard? 1.加州作为地震多发区，热水器安装必须遵循的建筑标准主要包括？

A. Title A. Title

B. ASME B. ASME

C. ASTM C. ASTM

D. ISO D. ISO

2.How many securing straps are required for water heaters exceeding 52 gallons? 2.对于超过52加仑的水箱，抗震固定带至少需要几道？

A. One A. 一道

B. Two B. 两道

C. Three C. 三道

D. Four D. 四道

3.Gas water heaters must be equipped with which warning device? 3.燃气热水器必须配备的预警装置是？

A. Smoke detector A. 烟雾报警器

B. Carbon monoxide detector B. 一氧化碳报警器

C. Temperature detector C. 温度报警器

D. Leak detector D. 泄漏报警器

4.What key safety measure is required for electric water heater installation? 4.电热水器在安装时必须采取的关键安全措施是？

A. Install a grease trap A. 加装隔油池

B. Grounding and earth-leakage protection B. 接地与漏电保护

C. Periodic painting C. 定期喷漆

D. Install a filter screen D. 加装过滤网

5.It is suggested to replace water heaters when the lifespan reaches? 5.热水器使用寿命达到多少年通常建议及时更换？

A. 2–3 years A. 2-3年

B. 5–7 years B. 5-7年

C. 8–12 years C. 8-12年

D. 15–20 years D. 15-20年

6.What must be tested after water heater installation? 6.热水器安装后必须进行的测试包括？

A. Water power/gas and safety testing A. 通水、通电/通气及安全测试

B. Water-only testing B. 仅通水测试

C. Pressure-only testing C. 仅压力测试

D. Aesthetic inspection only D. 仅美观检查

7.In seismic areas, which type of water heater should be prioritized? 7.在地震区域，热水器选型应优先考虑？

A. Standard type A. 普通型

B. Seismic-resistant type B. 抗震型

C. Low-cost type C. 廉价型

D. High-capacity type D. 大容量型

8.Which part of the water heater should be checked monthly for leaks? 8.每月检查热水器的哪个部件以防止泄漏？

A. Air inlet A. 进气口

B. Safety valve and connection port B. 安全阀及接口

C. Power cord C. 电源线

D. External insulation layer D. 外部绝缘层

9.The main purpose of insulating hot water pipes is? 9.热水管道保温的主要目的是？

A. Aesthetic appeal A. 美观

B. Increased weight B. 增加重量

C. Anti-scald and energy-saving properties C. 防烫与节能

D. Reduced vibration D. 减少震动

10.Who is qualified to perform water heater installation? 10.安装热水器时，谁有资格进行施工？

A. Qualified personnel A. 具备相应资质的人员

B. Any homeowner B. 任何房主

C. Salesperson C. 销售员

D. Property manager D. 物业经理

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