大学MOOC 功能材料概论(盐城工学院)1455653168 最新慕课完整章节测试答案
Module1Introduction
文章目录
Video1WhyStudytheCourse
1、单选题：
In the first video of Module 1, the examples used to demonstrate the successful application of materials include ________
选项：
A: high-speed
railways
B: Shenzhou-11
spacecraft
C: Chinese
dragon
D: All
of the above
答案: 【 All
of the above】
2、单选题：
Which of the following characteristics is not desirable for the materials used to make the helmets?
选项：
A: Great heat resistance
B: Great impact resistance
C: High density
D: Great strength
答案: 【 High density】
3、单选题：
Which of the following materials belong to advanced materials？
选项：
A: Functional
materials
B: Smart
materials
C: Biomaterials
D: All
of the above
答案: 【 All
of the above】
4、判断题：
The smart materials can respond to the environmental changes.
选项：
A: 正确
B: 错误
答案: 【 正确】
Video2MSEandmaterialsselection
1、单选题：
_______ is the rule in materials selection.
选项：
A: Compromise
B: Cost effectiveness
C: In-service conditions
D: Ideal combination of properties
答案: 【 Compromise】
2、单选题：
There are ____ components involved in the discipline of materials science and engineering.
选项：
A: three
B: four
C: five
D: six
答案: 【 four】
3、多选题：
The term materials science and engineering combine both _______ and ________.
选项：
A: materials science
B: materials engineering
C: materials technology
D: materials processing
答案: 【 materials science;
materials engineering】
Video3TheMaterialsCycles
1、单选题：
Which of the following is not the approaches used to minimize any possible adverse impacts on the environment at all stages of the materials cycle?
选项：
A: life cycle analysis
B: life cycle assessment
C: green design
D: design for assembly
答案: 【 design for assembly】
2、多选题：
Which of the following step(s) belongs (or belong) to materials cycles?
选项：
A: Extracting raw materials
B: Creating bulk materials
C: Fabricating products and system
D: Recycling and disposal
答案: 【 Extracting raw materials;
Creating bulk materials;
Fabricating products and system;
Recycling and disposal】
3、判断题：
The materials cycle is a system that involves interactions and exchanges among materials, energy, and the environment.
选项：
A: 正确
B: 错误
答案: 【 正确】
Video4FamilyofMaterials
1、单选题：
Which of the following is not ceramics?
选项：
A: Porcelain
B: Magnesium
C: Glass
D: Structural clay
答案: 【 Magnesium】
2、判断题：
Advanced materials include semiconductors, biomaterials, smart materials and nanomaterials.
选项：
A: 正确
B: 错误
答案: 【 正确】
Module2StructureofMaterials
Video10Phasediagram
1、单选题：
A homogeneous part or aggregation of material that differs from another part due to difference in structure
选项：
A: Liquidus
B: Solidus
C: Solution
D: Phase
答案: 【 Phase】
2、多选题：
When an alloy is at a temperature above the solidus but below the liquidus, it coexists as ___________
选项：
A: Liquid
B: Gas
C: Solid
D: Plasma
答案: 【 Liquid;
Solid】
3、判断题：
The Gibbs rule represents a criterion for the number of phases that coexist within a system at equilibrium
选项：
A: 正确
B: 错误
答案: 【 正确】
Video1PrimaryBonds
1、单选题：
The bonding type of Aluminum is
选项：
A: Ionic bondingIonic bonding
B: Metallic bonding
C: Covalent bonding
D: Hydrogen bonding
答案: 【 Metallic bonding】
Video2SecondaryBonds
1、单选题：
O2 is a molecule
选项：
A: Polar
B: Non-Polar
C: No
D: No
答案: 【 Non-Polar】
2、判断题：
Because of hydrogen bonding, hydrogen fluoride (HF) has a higher boiling point than hydrogen chloride (HCl)
选项：
A: 正确
B: 错误
答案: 【 正确】
Video3CrystallineandAmorphousSolids
1、单选题：
Amorphous metals develop their miscrostructure as a result of _______
选项：
A: Dendrites
B: Directional solidification
C: Slip
D: Extremely rapid cooling
答案: 【 Extremely rapid cooling】
2、多选题：
A crystalline solid has
选项：
A: Long-range order
B: Distinctive X-ray pattern
C: Irregular arrangement of atoms
D: No
答案: 【 Long-range order;
Distinctive X-ray pattern】
Video4UnitCellsandSpaceLattices
1、判断题：
When stacked together, the unit cells form the whole crystal
选项：
A: 正确
B: 错误
答案: 【 正确】
2、判断题：
The periodicity of any single crystal can be described by an equivalent space lattice
选项：
A: 正确
B: 错误
答案: 【 正确】
Video5CrystalSystems
1、判断题：
In crystallography, there are eight crystal systems and 14 Bravais lattices
选项：
A: 正确
B: 错误
答案: 【 错误】
Video6PolymorphismandAllotropy
1、判断题：
Any crystal structure changes in a material produces different properties.
选项：
A: 正确
B: 错误
答案: 【 正确】
2、判断题：
Tin pest occurs because of an allotropic change of Tin below 13.2oC
选项：
A: 正确
B: 错误
答案: 【 正确】
Video7PointDefectsandCrystalImpurites
1、判断题：
Steel is an interstitial solid solution with impurity carbon atoms in iron crystal lattice
选项：
A: 正确
B: 错误
答案: 【 正确】
Video8LineDefectsandDislocationMovement
1、判断题：
Dislocations make it easier for slip or plastic deformation to occur.
选项：
A: 正确
B: 错误
答案: 【 正确】
2、判断题：
A ductile metal becomes harder and stronger as it is subjected to cold working
选项：
A: 正确
B: 错误
答案: 【 正确】
Video9AreaDefects
1、单选题：
If a crystalline solid consists of a number of grains, such material is called
选项：
A: A Polycrystalline Solid
B: An Amorphous Solid
C: A Single Crystal
D: No
答案: 【 A Polycrystalline Solid】
2、判断题：
Internal atoms have missing bonds, so, they are in higher energy states than surface atoms
选项：
A: 正确
B: 错误
答案: 【 错误】
Module3PropertiesofMaterials
Video10ThermalExpansion
1、判断题：
Material with high bonding energy has low thermal expansion coefficient.
选项：
A: 正确
B: 错误
答案: 【 正确】
Video11ThermalConductivity
1、判断题：
Polymers transmit heat mainly through free electrons.
选项：
A: 正确
B: 错误
答案: 【 错误】
Video1StressandStrain
1、单选题：
Which equation describes the Engineering strain?
选项：
A: 
B: 
C: 
D: 
答案: 【 】
2、多选题：
What information you can find in a stress-strain diagram?
选项：
A: Elastic modulus
B: Yield Point
C: Ultimate Strength
D: Fracture Point
答案: 【 Elastic modulus;
Yield Point;
Ultimate Strength;
Fracture Point】