材料导论（谢安）(扬州大学) 中国大学慕课答案2024完整版100分

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起止时间:2020-02-25到2020-06-20
更新状态:已完结

Module 1 Introduction Module 1 Quiz

1、 The term of ______ describes the behavior of materials when subjected to some external force or condition.

A:application
B:processing
C:property
D:structure
答案: property

2、 Materials engineering involves, on the basis of ______ correlations, designing or engineering the structure of a material to produce a predetermined set of properties.

A:structure-nature
B:composition-structure
C:structure–property
D:composition-processing
答案: structure–property

3、 MSE involves the generation and application of knowledge relating _ to their _____ and uses, having interdisciplinary and multidisciplinary characteristics.

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、 _____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.

A:Recyclable
B:Biodegradeble
C:Renewable
D:None of the above
答案: Recyclable

5、 The smart materials have the ability to respond to ______.

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、 The four components involved in the discipline of materials science and engineering
include _____.

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、 In selecting a material for a specific application, which of the following issues should be considered?

A:Cost
B:Availability
C:Processability
D:Recyclability
答案: Cost;
Availability;
Processability;
Recyclability

8、 Life cycle analysis is used to improve the environmental performance of products.

A:正确
B:错误
答案: 正确

9、 Disposal/recycle is the key stage to ensure the last stage to become the first stage of the materials cycle.

A:正确
B:错误
答案: 正确

10、 The structure of a material depends on how it is processed, and a material’s performance is a function of its properties.

A:正确
B:错误
答案: 正确

Module 2 Structure of Materials Module 2 Quiz

1、 The key word to describe the nature of covalent bond is of electrons

A:sharing
B:swarming
C:transferring
D:spinning
答案: sharing

2、 The key word to describe the nature of ionic bond is of electrons

A:sharing
B:swarming
C:transferring
D:spinning
答案: transferring

3、 Amorphous solids have only order in the arrangement of constituent particles

A:long-range
B:short-range
C:medium-range
D:None of the above
答案: short-range

4、 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 ___

A:Simple Cubic
B:Face Centered Cubic
C:Body Centered Cubic
D:NO
答案: Body Centered Cubic

5、 The ability of an element to exist in different space lattices is called

A:allotropy
B:crystalline
C:solvent
D:amorphous
答案: allotropy

6、 When impurity atoms are found in the voids or interstices among the host atoms, it is called a/an solid solution.

A:Substitutional
B:Vacancy
C:Interstitial
D:None of the above
答案: Interstitial

7、 When impurity atoms replace the host atoms, it is called a/an solid solution

A: Substitutional
B:Vacancy
C:Interstitial
D:None of the avove
答案: Substitutional

8、 Which one is the curve that represents the temperatures at which solidification begins?

A:Solidus
B:Liquidus
C:Cooling curve
D:Heating curve
答案: Liquidus

9、 Primary bonding is the forces within a molecule, while secondary bonding is the forces between molecules

A:正确
B:错误
答案: 正确

10、 In Polymers, bonds inside the long chain molecules are secondary bonding, bonds among the chains are covalent bonding

A:正确
B:错误
答案: 错误

11、 Long range order means the orderly arrangement of atoms extends throughout the entire material.

A:正确
B:错误
答案: 正确

12、 If you cool molten metal at extremely rapid rate, amorphous metal can form

A:正确
B:错误
答案: 正确

13、 Both Face-centered cubic and Hexagonal Close-packed are close-packed crystal structures

A:正确
B:错误
答案: 正确

14、 Because of allotropy, steel can be produced from iron

A:正确
B:错误
答案: 正确

15、 The existence of point defects，impurity atoms, dislocations，grain boundary may all hinder the dislocation movement, hence weaken the materials