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本课程起止时间为:2020-02-18到2020-07-14
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Module 1 Introduction Module 1 Quiz

1、 问题:The term of ______ describes the behavior of materials when subjected to some external force or condition.
选项：
A:application
B:processing
C:property
D:structure
答案: 【property】

2、 问题:Materials engineering involves, on the basis of ______ correlations, designing or engineering the structure of a material to produce a predetermined set of properties.
选项：
A:structure-nature
B:composition-structure
C:structure–property
D:composition-processing
答案: 【structure–property】

3、 问题:MSE involves the generation and application of knowledge relating _ to their _____ and uses, having interdisciplinary and multidisciplinary characteristics.
选项：
A:composition of materials, properties
B:composition, structure and processing of materials, properties
C:composition, structure and processing of materials, application
D:structure of materials, application
答案: 【composition, structure and processing of materials, properties】

4、 问题:_____means that a material, after completing its life cycle in one component, could be reprocessed, could re-enter the materials cycle, and could be re-used in another component.
选项：
A:Recyclable
B:Biodegradeble
C:Renewable
D:None of the above
答案: 【Recyclable】

5、 问题:The smart materials have the ability to respond to ______.
选项：
A:the environmental changes
B:the changes in temperature
C:the changes in pH value
D:the changes in glucose concentration
答案: 【the environmental changes】

6、 问题:The four components involved in the discipline of materials science and engineering
include _____.
选项：
A:processing, structure, properties, and performance
B:structure, nature, processing and performance
C:synthesis, composition, properties and application
D:synthesis, structure, properties and application
答案: 【processing, structure, properties, and performance】

7、 问题:In selecting a material for a specific application, which of the following issues should be considered?
选项：
A:Cost
B:Availability
C:Processability
D:Recyclability
答案: 【Cost;
Availability;
Processability;
Recyclability】

8、 问题:According to American Society for Testing, materials are __ .
选项：
A:the matter of the universe
B:these substances having properties that make them useful in structures and machines
C:these substances having properties that make them useful in products and systems
D:these substances having properties that make them useful in structures, machines,
devices, products, and systems
答案: 【the matter of the universe;
these substances having properties that make them useful in structures, machines,
devices, products, and systems】

9、 问题:Life cycle analysis is used to improve the environmental performance of products.
选项：
A:正确
B:错误
答案: 【正确】

10、 问题:Disposal/recycle is the key stage to ensure the last stage to become the first stage of the materials cycle.
选项：
A:正确
B:错误
答案: 【正确】

11、 问题:The structure of a material depends on how it is processed, and a material’s performance is a function of its properties.
选项：
A:正确
B:错误
答案: 【正确】

【作业】Module 1 Introduction Module 1 Question1

1、 问题:List the groups of family of materials
评分规则: 【 Metals
ceramics
Polymers
composites
Advanced materials
】

【作业】Module 2 Structure of Materials Module 2 Question 2

1、 问题:A single crystal of zinc, like many other single-metal crystal, is farly ductile. There is nothing to prevent slippage of planes of atoms over one another. Explain why some of these metals, like zinc, become brittle when they are in the polycrystalline state, although they are ductile in single-crystal form.
评分规则: 【 逐点回答，每点1分
】

Module 2 Structure of Materials Module 2 Quiz

1、 问题:The key word to describe the nature of covalent bond is of electrons
选项：
A:sharing
B:swarming
C:transferring
D:spinning
答案: 【sharing】

2、 问题:The key word to describe the nature of ionic bond is of electrons
选项：
A:sharing
B:swarming
C:transferring
D:spinning
答案: 【transferring】

3、 问题:Amorphous solids have only order in the arrangement of constituent particles
选项：
A:long-range
B:short-range
C:medium-range
D:None of the above
答案: 【short-range】

4、 问题:If the unit cell contains an identical component in the center of the cube in addition to those at the corners of the cube, then it is called ___
选项：
A:Simple Cubic
B:Face Centered Cubic
C:Body Centered Cubic
D:NO
答案: 【Body Centered Cubic】

5、 问题:The ability of an element to exist in different space lattices is called
选项：
A:allotropy
B:crystalline
C:solvent
D:amorphous
答案: 【allotropy】

6、 问题:When impurity atoms are found in the voids or interstices among the host atoms, it is called a/an solid solution.
选项：
A:Substitutional
B:Vacancy
C:Interstitial
D:None of the above
答案: 【Interstitial】

7、 问题:When impurity atoms replace the host atoms, it is called a/an solid solution
选项：
A: Substitutional
B:Vacancy
C:Interstitial
D:None of the avove
答案: 【 Substitutional】

8、 问题:Which one is the curve that represents the temperatures at which solidification begins?
选项：
A:Solidus
B:Liquidus
C:Cooling curve
D:Heating curve
答案: 【Liquidus】

9、 问题:Primary bonding is the forces within a molecule, while secondary bonding is the forces between molecules
选项：
A:正确
B:错误
答案: 【正确】

10、 问题:In Polymers, bonds inside the long chain molecules are secondary bonding, bonds among the chains are covalent bonding
选项：
A:正确
B:错误
答案: 【错误】

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