2022 Hydraulic Power(Chang’an University)1467134707 最新满分章节测试答案

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本课程起止时间为:2022-02-28到2022-06-30

Chapter 1 Introduction to Hydraulic and Pneumatic Transmission Test

小提示:本节包含奇怪的同名章节内容

1、 问题:Which of the following is not an advantage of the hydraulic system ( )
选项：
A:With the same size structure, the hydraulic system can deliver greater power
B:Small inertia, rapid starting and braking, smooth movement
C:Convenient for stepless speed regulation, wide speed regulation range
D:Higher transmission efficiency
答案: 【Higher transmission efficiency】

2、 问题:Which of the following is not a disadvantage of the hydraulic system ( )
选项：
A:Cannot be used for high precision transmission
B:Overload protection is not easy to achieve
C:High precision requirements for component manufacturing
D:Difficulty in troubleshooting
答案: 【Overload protection is not easy to achieve】

3、 问题:Which of the following is a hydraulic power element （）
选项：
A:Pump
B:Motor
C:Cylinder
D:Relief valve
答案: 【Pump】

4、 问题:Which of the following is a hydraulic control element ( )
选项：
A:Pump
B:Motor
C:Cylinder
D:Relief valve
答案: 【Relief valve】

5、 问题:Which of the following is a rotational hydraulic execute element ( )
选项：
A:Pump
B:Motor
C:Cylinder
D:Relief valve
答案: 【Motor】

6、 问题:Hydraulic system cannot be used for high precision transmission.
选项：
A:正确
B:错误
答案: 【正确】

7、 问题:With the same size structure, the hydraulic system can deliver greater power.
选项：
A:正确
B:错误
答案: 【正确】

8、 问题:The hydraulic system has high precision requirements for component manufacturing.
选项：
A:正确
B:错误
答案: 【正确】

9、 问题:It is difficult in troubleshooting of hydraulic system.
选项：
A:正确
B:错误
答案: 【正确】

10、 问题:Hydraulic system is convenient for stepless speed regulation.
选项：
A:正确
B:错误
答案: 【正确】

11、 问题:Hydraulic system has high power transmission efficiency. 
选项：
A:正确
B:错误
答案: 【错误】

12、 问题: Water can be used as hydraulic transmission media.
选项：
A:正确
B:错误
答案: 【错误】

13、 问题:Hydraulic motor gives rotationally movements in hydraulic system. 
选项：
A:正确
B:错误
答案: 【正确】

14、 问题:Hydraulic cylinder is a power element in hydraulic system.
选项：
A:正确
B:错误
答案: 【错误】

15、 问题:Hydraulic media can be any fluid.
选项：
A:正确
B:错误
答案: 【错误】

16、 问题:The hydraulic transmission system is composed of the following parts, which are ？
答案: 【power element, execution element and control element, auxiliary element and working medium.

​】

17、 问题:The hydraulic power element convert the _ to _.
答案: 【mechanical power hydraulic power】

18、 问题:The execution element convert the _ to _.
答案: 【hydraulic power mechanical power】

19、 问题:Hydraulic pump is a typical _____ in hydraulic system .
答案: 【power element】

20、 问题:Hydraulic cylinder is a typical ____ in hydraulic system .
答案: 【power element】

21、 问题:Hydraulic cylinder outputs ____.
答案: 【linear movement】

22、 问题:Hydraulic motor outputs ____.
答案: 【rotational movement】

23、 问题:Hydraulic control element regulate the  _ 、 and ____ of the hydraulic oil .
答案: 【pressure flow rate flow direction】

24、 问题:Hydraulic transmission is of  ____ efficiency.
答案: 【low】

25、 问题:Hydraulic transmission is ____ to be protected from overload.
答案: 【low】

26、 问题:Which of the following is not an advantage of the hydraulic system ( )

选项：
A:With the same size structure, the hydraulic system can deliver greater power
B:Small inertia, rapid starting and braking, smooth movement
C:Convenient for stepless speed regulation, wide speed regulation range
D:Higher transmission efficiency
答案: 【Higher transmission efficiency】

27、 问题:Which of the following is not a disadvantage of the hydraulic system ( )

选项：
A:Cannot be used for high precision transmission
B:Overload protection is not easy to achieve
C:High precision requirements for component manufacturing
D:Difficulty in troubleshooting
答案: 【Overload protection is not easy to achieve】

28、 问题:Which of the following is a hydraulic control element ( )
选项：
A:Pump

B:Motor
C:Cylinder
D:Relief valve

答案: 【Relief valve】

29、 问题:Which of the following is a rotational hydraulic execute element ( )

选项：
A:Pump

B:Motor
C:Cylinder
D:Relief valve

答案: 【Motor】

Chapter 2 Fundamental Hydraulic Fluid Mechanics Test

小提示:本节包含奇怪的同名章节内容

1、 问题:Liquid is a
continuous medium. That is, the motion parameters of liquid can be regarded as
a continuous function of (    ), and it is possible to use analytical mathematics
to describe its motion law.
选项：
A:It has nothing to do
with time and space
B:Time and space
C:Just time
D:Just space
答案: 【Time and space】