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单选题 51.节流膨胀制冷的条件是: ( )
学科：热力学统计物理
时间：2024-01-03 12:16:13
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题目1单选题
53.在绝热条件下去磁,则: ( )A. 致冷B. 致温C. 温度不变D. 温度变化不确定
题目2单选题
51.节流膨胀制冷的条件是: ( )A. 在一定压强下气体的温度低于临界温度B. 在一定压强下气体的温度低于该压强下上转换温度高于下转换温度C. 在一定压强下气体的温度低于该压强下上转换温度D. 在一定压强下气体的温度高于该压强下下转换温度
题目3单选题
50.焦汤系数<img src="https://tihai-oss-cloud.itihey.com/img/dd50c4a272ef67d88827139ebbdf4cbb.png">的意义是: ( )A. 是 焦汤负效应,节流后制冷B. 正效应,温度不变C. 节流后温度降低D. 节流后温度不变
题目4单选题
48.下列麦氏关系正确的是: ( )A. <img src="https://tihai-oss-cloud.itihey.com/img/d0470c369f6b1cb5acbb6633172533b2.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/223bede2176e3877e3475dbfa3bc97f0.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/ab79463a17890b06a02dd450296b0992.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/0f91c3a44baab2a60a1571ba0d338d91.png">
题目5单选题
47.下列麦氏关系正确的是: ( )A. <img src="https://tihai-oss-cloud.itihey.com/img/cc0edc37c35145c840b3e68b4aafc987.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/b6caa63eb3255dfebd1ca9e28c7d1b9a.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/7b48ed6690fb4012a234e22f9785ea17.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/f37e0e4f5bb9d02cb85b0e4de872e25c.png">
题目6单选题
41.下列方程正确的是: ( )A. <img src="https://tihai-oss-cloud.itihey.com/img/565bf5deaba9c4df4777de3dc4d1dd0a.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/fd973121cdbe4de721974d260b3752de.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/e3f39347606223f4d3c39cff580e183f.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/8f538a5b8591f60913160ed031e94427.png">
题目7单选题
21.关于内能下列说法正确的是: ( )A. 内能是可加物理量B. 内能是强度量C. 内能是系统内部分子动能之和D. 内能是物体内含的热量
题目8单选题
10.等温压缩系数的表达式是: ( )A. <img src="https://tihai-oss-cloud.itihey.com/img/d6055a9422d00da18c3c6c58bf0b32e6.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/51ea7f0dcf163157f0eccde3a033f06c.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/d9d06f2aae414651ab10890af9d2c1ea.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/6cff5181768a6aa838604c25f8691814.png">
题目9单选题
9.定容压力系数的表达是式: ( )A. <img src="https://tihai-oss-cloud.itihey.com/img/348b6c65d984ef0da7162740c8b9a62f.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/62312f43145e98d787f7ea5bd8389cb8.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/10a04eb3c75ef919fe77d216f08d61ff.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/a2bc83b5f6a1f2be22d63b45162ba3ec.png">
题目10单选题
8.等压膨胀系数的表达式是: ( )A. <img src="https://tihai-oss-cloud.itihey.com/img/2e3322c6a1cf0b8312e7a36c4d4fe907.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/84e8547b787164bd573fb488ab9f4862.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/dbe3f94d88a76de86ae02b12df7fd950.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/30dfa15c253eea498a9d12f52f207b71.png">
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