1.Wet-bulb temperature indicates the cooling effect of ______ water.
1.湿球温度反映了 ______ 水所产生的冷却效应。
2.Duct systems designed to carry non-abrasive materials such as smoke, fog, mist, light dust, or non-corrosive fumes are classified as ___.
2.专为输送烟雾、雾气、水汽、轻微粉尘或非腐蚀性烟气等非磨蚀性物质而设计的风管系统,被归类为 ___。
3.Elevated condensing pressure tends to ______ leakage on both the low-pressure and high-pressure sides, especially when pressure accumulates during shutdown periods.
3.冷凝压力升高往往会 ______ 低压侧和高压侧的泄漏,尤其是当系统停机期间压力积聚时。
4.Which type of duct material and configuration allows the smoothest airflow and lowest friction losses?
4.哪种类型的风管材质和结构能实现最顺畅的气流和最低的摩擦损失?
5.Bourdon tube and diaphragm gauges are instruments for measuring ______.
5.波登管式和膜片式压力表是用于测量 ______ 的仪表。
6.The duct layout shown in the drawing represents which type of duct system?
6.图中所示的风管布局代表了哪种类型的风管系统?
7.R-12 is most frequently utilized in which application?
7.R-12 最常用于哪种应用领域?
8.In regions with hot climates, which statements correctly describe air distribution design principles?
8.在气候炎热的地区,下列哪项陈述正确描述了空气分配的设计原则?
9.R-22 is commonly used in which systems today?
9.如今,R-22 通常用于哪类系统?
10.Ductwork installed within the conditioned envelope of a building is generally____when compared to ductwork installed outside the conditioned space.
10.与安装在空调空间(受控环境)外部的风管相比,安装在建筑物空调围护结构内部的风管通常是 ______ 的。