未分类题
关于状态变化过程().①非静态过程在压容图上无法用一条连续曲线表示;②系统进行了一个过程后,如能使系统沿着与原过程相反的方向恢复初态,则这样的过程称为可逆过程;③内外平衡是可逆过程的充分和必要条件;④只有无摩擦的准静态过程才是可逆过程。
A.①④对
B.②③对
C.①③④对
D.②对
正确答案:①④对
点击查看答案
<上一题
目录
下一题>
热门
试题
未分类题
关于?方程的物理意义,下列说法正确的是:
点击查看答案
未分类题
下列关于?效率表述正确的是:
点击查看答案
未分类题
下列关于熵产和?损失的关系阐述正确是:
点击查看答案
未分类题
下列关于物质或物流?表述不正确的是:
点击查看答案
未分类题
下列关于热量?和冷量?表述不正确的是:
点击查看答案
未分类题
下列关于各种效率的表述正确的是:①热效率可以等于1②热效率只能小于1③可逆过程?效率可以等于1④可逆过程热效率可以等于1
点击查看答案
未分类题
下列关于热力学第一定律和热力学第二定律的表述不正确的是:
点击查看答案
未分类题
下列关于?值求解需要满足的条件,说法不正确的是:
点击查看答案
未分类题
关于?的理解,下列说法正确是:①?是能量做功能力的度量②?是系统由任意状态变化到与给定环境相平衡时所做的最大理论功③大气和海洋的?值为零④来自不同温度热源的100KJ的热量具有相等的?值
点击查看答案
未分类题
气体(Cvm=0.8KJ kg.℃)在压缩过程中,接受外界功90KJ kg,温度上升80℃,此过程中,该气体将从外界放热()KJ kg
点击查看答案
相关试题
下列说法不正确的是()①在一定温度下,若...
有下列说法,正确的是()①若工质的压力低...
The first China Graduate Contest on...
The winning work “ofo share bicycl...
Based on past experience, in order...
The teaching team launched 8 cours...
This course includes()chapters.
The project of railway switch snow...
There are four levels of problem s...
The intelligent brain machine is ma...
Willink—micro intelligent brain mach...
The ofo founder is()。
These three types of materials can...
()is the most basic method of so...
If the application is submitted ele...
The basic processes of Market Resea...
Design patents focus on the()creat...
Which one is not right for the ab...
Which one is not the relationship ...
Market information does not include...
Environmental information does not i...
Market research is an important par...
Which one does not include for cor...
In 2014, after returning to Qi...
Knowing the financing channels, how...
Team operation management should foc...
Which one does not belong to new ...
About the Characteristics of the Na...
According to the team’s many years...
In the entrepreneurial plan, there...
At present, there are not many fi...
Internet+ modern agriculture, inclu...
Team operation management should foc...
The main risk factors faced by cur...
In(), the first China College St...