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【多选题】
以下对节能和节能监督概念表述正确的有（）。A.
节能是指加强用能管理，采取技术上可行，经济上合理以及环境和社会可以承受的措施，减少从能源生产到消费各个环节中的损失和浪费，更加有效、合理的利用能源
B.
节能是国家发展经济的一项长远战略方针
C.
节能技术监督，即对影响发电、输变电设备经济运行的重要参数、性能和指标进行监督、检查、调整及评价
D.
通过对电力企业耗能设备及系统在设计、安装、调试、运行、检修、技术改造等阶段的节能技术监督，使其电、煤、油、汽、水等消耗达到最佳水平
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举一反三
【简答题】 Write the definition of the following terms: Total pressure total temperature Excess air coefficient
【单选题】In terms of pressure and temperature refrigerant in the compressor, what happens to the primary?
A.
Its pressure and temperature are both lowered
B.
Its pressure and temperature are both raised
C.
Its pressure is lowered and its temperature is raised
D.
Its pressure is raised and its temperature is lowered
【判断题】we can assume viscosity multiply z factor is constant at high pressure, and flow equation can be written in terms of pressure squared.
A.
正确
B.
错误
【简答题】若函数 在 处连续,则
【多选题】To express diffusivity equation in terms of pressure and time , we assume ( ) .
A.
=constant
B.
=constant
C.
=constant
D.
=constant
【单选题】Barometer readings in weather reports are given in terms of pressure at ______.
A.
sea level
B.
China Sea
C.
the weather station
D.
the broadcasting station
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