如图所示,bca为理想气体绝热过程,b1a和b2a是任意过程,则上述两过程中气体做功与吸收热量的情况是:()。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/425d949077814bc4b03013f57ec7b0d3.png
举一反三
- 【单选题】如图所示, bca 为理想气体绝热过程, b1a 和 b2a 是任意过程,则上述两过程中气体作功与吸收热量的情况是 () (A) b1a 过程放热,作负功; b2a 过程放热,作负功 (B) b1a 过程吸热,作负功; b2a 过程放热,作负功 (C) b1a 过程吸热,作正功; b2a 过程吸热,作负功 (D) b1a 过程放热,作正功; b2a 过程吸热,作正功 A. A B. B C. C D. D
- 如图所示,bca为理想气体绝热过程,b1a和b2a
- 如图,一定量的理想气体由平衡态A变到平衡态B,且它们的压强相等,则在状态A和状态B之间,气体无 论经过的是什么过程,气体必然( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/96cb6f8cee6742ae86a43830a51169e5.png
- 逻辑函数F(A,B,C)=AB+BC+AC的卡诺图为( )。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/7a8254757f8a4fc6ab82fa93a8e86ebf.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/229cbcade3654fb99c66a7c102ec046f.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/1c851f1288be499c92d2a7b40607bd1a.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/3b385269839a45df9645db71096c2e81.png" />
- 同或的逻辑表达式为:( ) A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/de7cc25b0fa441acbd1ae351e6b717bf.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/0521e4ead0c94f6b926ad268101e03dc.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/d7e24d5fe0914412afdc9203542a97be.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/1a45c582099646599b854ab6adc648f4.png" />