1.When an air-conditioner motor overloads, what occurs?
1.当空调电机发生过载时，会发生什么情况？
2.If a compressor’s potential start relay is open, it will:
2.如果压缩机的电位启动继电器处于开路状态，将会导致：
3.When working around cooling towers, what is the primary safety concern?
3.在冷却塔周围作业时，首要的安全隐患是什么？
4.If a blower motor fails to run during gas furnace service, which is not a probable cause?
4.在对燃气炉进行检修时，如果鼓风机电机无法运行，下列哪项不是可能的原因？
5.To check for gas leaks safely, you should:
5.为了安全地检测燃气泄漏，你应该：
6.A critical precaution when installing an oil furnace is:
6.在安装燃油炉时，一项至关重要的预防措施是：
7.After checking standard remedies, a unit still runs low or continuously. Other causes may be:
7.在尝试了常规的故障排除方法后，设备仍表现为制冷效果差或持续运行不停机。其他可能的原因包括：
8.Continued high room temperature may also result from:
8.室内温度持续偏高，也可能是由以下原因造成的：
9.How frequently should a portable air compressor’s safety valve be tested?
9.便携式空气压缩机的安全阀应多久测试一次？
10.Used scale-removal solution should not be discharged onto roofs or into a ______ system.
10.使用过的除垢溶液不应直接排放在屋顶上，也不应排入______系统。
