2021知到答案 MECHANICAL ENGINEERING PRACTICE 金工实习 最新智慧树满分章节测试答案

第三章 单元测试

1、判断题：
While earlier work in Japan is quite well-documented, proving that this concept could be realized, it was the patent by Charles Hull that is generally recognized as the most influential  since it gave rise to 3D Systems.
选项：
A:错
B:对
答案: 【对】

2、单选题：
Which apparatus was AM technology commercialized with?
选项：
A:Direct metal laser sintering(DMLS)
B:Fused Deposition Modeling(or FDM)
C:selective laser sintering (SLS)
D:Stereolithography(SL or SLA)
答案: 【Stereolithography(SL or SLA) 】

3、多选题：
Which are the characteristics of AM technology？
选项：
A: instant local production on a global scale
B:short lead time
C:near-net shaping
D:superior flexibility
答案: 【 instant local production on a global scale  ;short lead time ;near-net shaping;superior flexibility】

4、单选题：
Near-net shaping is another important feature of AM technology, which significantly minimizes material use and waste. A joint study has shown that AM is able to reduce the consumption of raw materials by up to
选项：
A:35
B:50
C:75%
D:65
答案: 【75%】

5、单选题：
Which is the most widely used AM technique at the present day？
选项：
A:Direct metal laser sintering(DMLS)
B:Fused Deposition Modeling(or FDM)
C: selective laser sintering (SLS)
D:Stereolithography(SL or SLA)
答案: 【Fused Deposition Modeling(or FDM) 】

6、多选题：
Which are the same techniques with Additive Manufacturing？
选项：
A:freeform fabrication
B:Rapid Prototyping
C:additive fabrication
D:3D printing
答案: 【freeform fabrication;Rapid Prototyping;additive fabrication;3D printing】

7、多选题：
Which can be used by Additive Manufacturing？
选项：
A:powders
B:sheets
C:wires
D: liquids
答案: 【powders ;sheets;wires ; liquids】

8、判断题：
AM machine is a What You See Is What You Build (WYSIWYB) process that’s particularly valuable the more complex the geometry is.
选项：
A:错
B:对
答案: 【对】

9、判断题：
Well suiting the requests of modern manufacturing climate, Additive Manufacturing is viewed as the new industrial revolution, making its way into a continuously increasing number of industries.
选项：
A:错
B:对
答案: 【对】

10、多选题：
Where could Additive Manufacturing be used?
选项：
A:automotive
B:defense
C:jewelry
D:aerospace
E:art
F:medical
G:architecture
答案: 【automotive;defense ;jewelry;aerospace;art;medical ;architecture 】

第四章 单元测试

1、单选题：
We can complete an automatic programming of NC lathe based on(   ) software.
选项：
A:CAD
B:MasterCAM.
C:CREO
答案: 【MasterCAM.】

2、多选题：
we need to make the modeling in the softwares such as（  ）

选项：
A:Solidworks
B:AutoCAD
C:Creo
答案: 【Solidworks;AutoCAD;Creo】

3、判断题：
After the parts pattern analysis,we need to plait the machining tool’s path and dynamic simulate the path based on the MasterCAM.
选项：
A:错
B:对
答案: 【对】

4、判断题：
When we do programming in MasterCAM we need to move the drawing to the origin of the coordinates.
选项：
A:错
B:对
答案: 【对】

5、判断题：
After we choose the lathe,we need to ensure the route of the knife according to the requirements of the parts processing.
选项：
A:错
B:对
答案: 【对】

6、判断题：
We can choose the lathe according to the requirements of the parts processing.
选项：
A:对
B:错
答案: 【对】

7、判断题：
The processing methods include milling the shape,milling the planar, chamferring, drilling holes and so on.
选项：
A:错
B:对
答案: 【对】

8、判断题：
We Choose the  keyseat cutter according to the processing requirements.
选项：
A:对
B:错
答案: 【对】

9、判断题：
We need select the parameters of the rough machining and the finish machining.
选项：
A:对
B:错
答案: 【对】

10、判断题：
In MasterCAM we can see the route of the knife.
选项：
A:错
B:对
答案: 【对】

第五章 单元测试

1、判断题：
Industrial design appeared before the industrial revolution. （   ）

选项：
A:对
B:错
答案: 【错】

2、判断题：
Service is also a kind of product. （   ）
选项：
A:对
B:错
答案: 【对】

3、多选题：
Product design includes （      ）.

选项：
A:conceptual design
B: improved design
C:innovative design
D:duplicated design
答案: 【conceptual design  ; improved design   ;innovative design】

4、多选题：
The success of the OXO peeler is due to(    ).

选项：
A:low price
B:beautiful appearance
C:antiskid features
D: innovative application of materials
答案: 【beautiful appearance  ;antiskid features ; innovative application of materials】

5、判断题：
MUJI products have very rich colors. （   ）

选项：
A:错
B:对
答案: 【错】

6、判断题：
Paying attention to industrial design is Apple’s way to success. （   ）

选项：
A:错
B:对
答案: 【对】

7、单选题：
Classic blue is the popular color of (    ).

选项：
A:2020
B:2019
C:2018
D:2021
答案: 【2020   】

8、多选题：
When we are researching existing products, the following points need to be considered. (    )

选项：
A: material
B:function
C:price
D:appreciation
答案: 【 material;function ;price       ;appreciation】

9、判断题：
Design sketch can help designers to clarify design ideas quickly.  （   ）

选项：
A:错
B:对
答案: 【对】

10、单选题：
Which of the following is not a function of renderings? (      )

选项：
A:exhibition material  for  selling
B:product schematic
C:communicate with downstream industry
D:refine the prototype
答案: 【communicate with downstream industry】

第六章 单元测试

1、单选题：
The use of materials begins in ().

选项：
A:information age
B:stone age
C:iron age
D:bronze age
答案: 【stone age 】

2、多选题：
Natural materials include ().

选项：
A:fibers
B:clay
C:bone
D:feather
答案: 【fibers;clay;bone   ;feather    】

3、多选题：
Structural materials include ().

选项：
A:iron
B:steel
C:semiconductor
D:aluminum
答案: 【iron   ;steel ;aluminum  】

4、多选题：
Functional materials include ().

选项：
A:iron
B:magnetic materials
C:steel
D:superconducting materials
答案: 【magnetic materials;superconducting materials   】

5、多选题：
Iron can be classified into ().

选项：
A:spheroidal graphite cast iron
B:steel
C:grey cast iron
D:white cast iron
答案: 【spheroidal graphite cast iron ;grey cast iron ;white cast iron】

6、多选题：
Steps of metallographic specimens preparation include ().

选项：
A:etching
B:polishing
C:grinding
D:mounting
答案: 【etching    ;polishing;grinding   ;mounting  】

7、多选题：
Material science is the investigation of the relationship among ().

选项：
A:processing
B:properties
C:structure/composition
D:performance
答案: 【processing  ;properties  ;structure/composition ;performance】

8、多选题：
Observed phases during optical microscopy observation of iron and steel include ().

选项：
A:Cementite
B:δ-ferrite
C:γ-austenite
D:α-ferrite
答案: 【Cementite;δ-ferrite   ;γ-austenite  ;α-ferrite  】

9、单选题：
Pearlite is a two-phased, lamellar structure composed of alternating layers of ().

选项：
A:austenite and ferrite
B:ferrite and cementite
C:austenite and cementite
D:liquid and cementite
答案: 【ferrite and cementite】

10、单选题：
The determination of () on specimens is important for quality control.

选项：
A:grain size
B:phase diagram
C:hardness
D:strength
答案: 【grain size】

第七章 单元测试

1、单选题：
Digital design and manufacture mainly includes () for data transmission.

选项：
A:Digital means
B:Digital tools
C:CAD
答案: 【Digital means】

2、多选题：
Digital is the process that integrated applies () to transform traditional content and technology system.

选项：
A:information technology
B:computer technology
C: network technology
答案: 【information technology;computer technology; network technology】

3、判断题：
Digitization is throughout the process of Product Life Cycle.（ ）

选项：
A:对
B:错
答案: 【对】

4、判断题：
Manufacturing resources just include technical resources and material resources.（ ）

选项：
A:对
B:错
答案: 【错】

5、判断题：
In the company-wide program layer, we generally use Manufacturing Execution Systems. （ ）

选项：
A:错
B:对
答案: 【错】

6、判断题：
According to the shape and processing requirements, programmer compiles machining process into machining program.（）

选项：
A:对
B:错
答案: 【对】

7、判断题：
Industry 4.0 began in the 18 century with the introduction of machinery manufacturing equipment. （ ）

选项：
A:对
B:错
答案: 【对】

8、判断题：
In the second industrial revolution, large-scale production using electric drives was appeared.. （ ）

选项：
A:对
B:错
答案: 【对】

9、判断题：
Services Network is not a major driver of industry 4.0. （ ）

选项：
A:对
B:错
答案: 【错】

10、判断题：
Typically, there are four main methods of rapid prototyping. （ ）

选项：
A:错
B:对
答案: 【对】

第八章 单元测试

1、多选题：
We see that heavier-than-air aircraft are(  )
选项：
A:airships
B: gliders
C:rockets
答案: 【 gliders ;rockets 】

2、判断题：
The helicopter uses gravity and updrafts of air to keep  it flying; slope soaring relies on wind rising off dunes or hillsides.
选项：
A:错
B:对
答案: 【错】

3、判断题：
Glider a heavier-than-air craft with flapping wings. A flapping motion of wings is used in flight by various living beings, such as birds.
选项：
A:对
B:错
答案: 【错】

4、多选题：
The assembly process of the helicopter model needs to be very careful, pay attention to every detail, including(  )
选项：
A:Designed by Auto-CAD
B:Direction of the apron part
C:Glue
答案: 【Direction of the apron part;Glue】