2022知到答案 Fluid Dynamics 最新完整智慧树知到满分章节测试答案

第一章 单元测试

1、 问题:A fluid can resist an applied shear stress by deforming. （ ）
选项：
A:对
B:错
答案: 【
错
】

2、 问题:Differences between a solid and a fluid is made on the basis of the substance’s ability to resist and applied shear stress that tends to change its shape. （ ）
选项：
A:对
B:错
答案: 【
对
】

3、 问题:Fluid eventually stops deforming at some fixed strain angle when a constant shear force is applied. （ ）
选项：
A:对
B:错
答案: 【
错
】

4、 问题:The tangential component of a force acting on the surface per unit is called the normal stress. （ ）
选项：
A:对
B:错
答案: 【
错
】

5、 问题:The highly ordered flows motion with smooth streamlines is called laminar. （ ）
选项：
A:对
B:错
答案: 【
对
】

第二章 单元测试

1、 问题:Due to capillarity, the cases that the level of the tube will rise or depress is called capillarity phenomena. （ ）
选项：
A:对
B:错
答案: 【
对
】

2、 问题:For capillarity phenomena, when adhesion is bigger than cohesion, the tube level is depressed. （ ）
选项：
A:对
B:错
答案: 【
错
】

3、 问题:The viscosity of liquids decreases with temperature, whereas the viscosity of gases increases with temperature. （ ）
选项：
A:对
B:错
答案: 【
对
】

4、 问题:Viscosity represents the internal resistance of a fluid to motion, which is expressed by Sir Isaac Newton first in 1687. （ ）
选项：
A:对
B:错
答案: 【
对
】

5、 问题:The shear stress in fluid is not proportional to the magnitude of the fluid deformation. （ ）
选项：
A:对
B:错
答案: 【
错
】

第三章 单元测试

1、 问题:The pressure unit pascal is too small for pressures encountered on practice. Therefore, it’s multiplies kilopascal are commonly used. So 1Kpa= pa. （ ）
选项：
A:1000
B:100
C:10
D:10000
答案: 【
1000
】