Mechanical Engineering Design(北京交通大学) 中国大学慕课答案2024完整版100分

瞎窃雷寇封价县辅酱释咀刑焊

对应课程:点击查看
起止时间:2018-12-21到2019-03-31
更新状态:已完结

Chapter 1 Basic principle of mechanical and electronic system Basic principle of mechanical and elec

1、 In mechanical design, what the design must achieve is .

A:physical size
B:principle
C:function requirements
D:mechanism
答案: function requirements

2、 In concept design, we can check the feasible solution by .

A:experiments
B:analysis
C:Synthesis
D:production
答案: analysis

3、 The of mechanical parts can be generated according to the dimensional and tool-path information in the model.

A:manufacture
B:Shape
C:function
D:prototype
答案: manufacture

4、 There is normally an order to how functions occur with flowing in and out.

A:nuclear
B:energy
C:materials
D:information
答案: energy;
materials;
information

5、 The concept design contains the activities including .

A:function modeling
B:behavior modeling
C:structure modeling
D:assessment and decision-making
答案: function modeling ;
behavior modeling;
structure modeling;
assessment and decision-making

6、 SAE Cycle of Systems Engineering includes .

A:synthesis
B:simulation
C:analysis
D:evaluation
答案: synthesis;
analysis ;
evaluation

7、 In mechanical engineering design, we usually calculate before defining.

A:正确
B:错误
答案: 错误

8、 We can decompose the whole function into sub-functions and multilevel sub-functions by function deformation in the concept design.

A:正确
B:错误
答案: 正确

9、 Iteration, moving from any step back to any previous step, is required within entire process,

A:正确
B:错误
答案: 正确

10、 The of applying the various techniques and scientific principles for the purpose of defining a device is mechanical engineering design.
答案: process

11、 A system is a collection of that are organized for common purpose.
答案: (以下答案任选其一都对)components;
parts

12、 The is a carrier that is able to conduct the required behaviors and predetermined functions.
答案: structure

Chapter 2 Design of mechatronic system Design of mechatronic system

1、 In NC Machine System, PLC is .

A:actuator
B:controller
C:sensor
D:power
答案: controller

2、 The field of Mechatronics is intersection of mechanical, electrical, and .

A:computer science
B:system design
C:electricity technology
D:robot science
答案: computer science

3、 The motor is used as in the mechatronic system.

A:support
B:sensor
C:actuator
D:controller
答案: actuator

4、 The design of mechatronic product is based on .

A:control theory
B: information theory
C:mechanism theory
D:system theory
答案: control theory;
information theory ;
system theory

5、 Main components in mechatronic system include .

A:mechanical structure
B:sensors
C:power source
D:microcontroller
答案: mechanical structure;
sensors;
power source;
microcontroller

6、 Detail Function of mechatronic system includes power, sense, control, action, support.

A:正确
B:错误
答案: 正确

7、 Information theory studies the quantification, storage, and communication of continuous signal.

A:正确
B:错误
答案: 错误

8、 Machine theory is for defining the architecture, modules, interfaces, and data for a system to satisfy specified requirements.

A:正确
B:错误
答案: 错误

9、 The essential characteristic of mechatronics is .
答案: intelligent

10、 Human interfaces and design is important for application of mechatronic system.
答案: software

Chapter 3 Precision machine design Precision machine design

1、 When we design support for screw, which is mostly suitable for high rigidity, high speed, high precision screw drive system?

A:double push-simply supported mode
B:single push-single push mode
C:double push-double push mode
D:double push-free mode
答案: double push-double push mode

2、 The parameter indicate the diameter of the cylinder enveloped by the ball center when the ball and the thread roller path are under theoretical contact angle.

A:minimum diameter
B:ball diameter
C:maximum diameter
D:nominal diameter
答案: nominal diameter

3、 which one is not the way to reduce transmission error for mechanical trasmission chain?

A:reduce the weight of the parts
B:increase the precision of the parts
C:design reasonable transmission chain
D:adapt the clearance elimination mechanism
答案: reduce the weight of the parts

4、 Which result is not caused by viscous damping increment?

       


如需购买完整答案,请点击下方红字:

点击这里,购买完整答案


获取更多中国大学慕课答案,请点击这里,进入mooc.mengmianren.com


 

谰嚎变藤澳抱苍模洪窖锌孔庐