2020 电厂金属材料应用（张贺）(沈阳工程学院) 最新满分章节测试答案

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本课程起止时间为:2020-04-03到2020-07-01
本篇答案更新状态:已完结

【作业】第1周：钢铁材料生产、金属材料的力学性能 【作业1】炼铁(4.20周一）

1、 问题:简答题：1. List the raw materials charged into a blast furnace. 2. Explain the principle and products of iron-making.
评分规则: 【 Iron Ore (Fe2O3), coke (carbon/C) ,limestone (CaCO3) and O2.(1)Reduction reactions.(2)Pig iron; Blast furnace gas；Slag.
】

【作业】第1周：钢铁材料生产、金属材料的力学性能 【作业2】炼钢(4.22周三)

1、 问题:简答题：1.Raw Materials charged into a Basic Oxygen Furnace (BOF).2. What is “basic” about a BOF?
评分规则: 【 molten pig iron，scrap iron/steel , limestone, Pure oxygenThe word “Basic” refers to the type of refractory lining and the type of flux used.
】

【作业】第1周：钢铁材料生产、金属材料的力学性能 【作业3】金属的力学性能（4.23周四）

1、 问题:
评分规则: 【 （1）A；（2）B（1）A；（2）A；（3）C；（4）B；（5）A；（6）B；（7）C每错1题扣10分
】

第1周：钢铁材料生产、金属材料的力学性能 【在线测试】-金属的力学性能

1、 问题:Materials that are soft and easily deformed are called .
选项：
A:ductile
B:elastic
C:plastic
D:malleable
答案: 【plastic】

2、 问题:A material that stretches considerably before breaking is considered to be .
选项：
A:ductile
B:brittle
C:tough
D:strong
答案: 【ductile】

3、 问题:When a material returns to its original size and shape after a stress or force has been applied and removed, it demonstrates a property known as .
选项：
A:ductility
B:plasticity
C:malleability
D:elasticity
答案: 【elasticity】

4、 问题:The ability of metal to resist indentation or penetration best describes the material’s .
选项：
A:ductility
B:impact strength
C:tensile strength
D:hardness
答案: 【hardness】

5、 问题:The property that describes a metal’s ability to resist surface wear and abrasion is .
选项：
A:Fatigue strength
B:Hardness
C:Toughness
D:Tensile strength
答案: 【Hardness】

6、 问题:The test that is used to measure a metal’s toughness is .
选项：
A:Charpy test
B:Brinell test
C:Tensile test
D:Izod test
答案: 【Charpy test ;
Izod test】

7、 问题:The most common hardness scales are .
选项：
A:Brinell
B:Rockwell
C:Vickers
D:none of them
答案: 【Brinell ;
Rockwell;
Vickers】

8、 问题:Izod test is used to measure .
选项：
A:Hardness
B:Toughness
C:Tensile strength
D:Impact strength
答案: 【Toughness;
Impact strength】

9、 问题:Different hardness indexes(指标) are measured in exactly the same way.
选项：
A:正确
B:错误
答案: 【错误】

10、 问题:Force is also called load.
选项：
A:正确
B:错误
答案: 【正确】

第2周：金属的结晶 【在线测试1】-金属的结晶

1、 问题:Which is the lattice of α-Fe？
选项：
A:(BCC)
B:(FCC)
C:(HCP)
D:(BCT)
答案: 【(BCC)】

2、 问题:Which is the lattice of γ-Fe? .
选项：
A:(BCC)
B:(FCC)
C:(HCP)
D:(BCT)
答案: 【(FCC)】

3、 问题:Which is the lattice of Zn? .
选项：
A:(BCC)
B:(FCC)
C:(HCP)
D:(BCT)
答案: 【(HCP)】

4、 问题:Which is the Body-Centered Cubic?
选项：
A:Al
B:γ-Fe
C:α-Fe
D:Mg
答案: 【α-Fe】

5、 问题:Which is the Face-Centered Cubic? .
选项：
A:β-Fe
B:γ-Fe
C:α-Fe
D:Mg
答案: 【γ-Fe】

6、 问题:Dislocation is belonging to .
选项：
A:Body Defects
B:Planar Defects
C:Line Defects
D:Point Defects
答案: 【Line Defects】

7、 问题:Grain boundaries are belonging to .
选项：
A:Body Defects
B:Planar Defects
C:Line Defects
D:Point Defects
答案: 【Planar Defects】

8、 问题:The lattice of solid solution is the same as .
选项：
A:solution
B:solvent
C:solute
D:solute or solvent
答案: 【solvent 】

9、 问题:The crystallization of pure metal usually proceeds in what condition?
选项：
A:Under a constant temperature
B:A certain temperature range
C:Above freezing temperature
D:none of them
答案: 【Under a constant temperature】

10、 问题:In practical production, when metals are cooling, .
选项：
A:actual crystallizing temperature is always below theoretic crystallizing temperature
B:actual crystallizing temperature is always equal to theoretic crystallizing temperature.
C:actual crystallizing temperature is always higher than theoretic crystallizing temperature
D:actual crystallizing temperature and theoretic crystallizing temperature have no relationship.
答案: 【actual crystallizing temperature is always below theoretic crystallizing temperature】

11、 问题:What kind of lattice does the figure below belong to？
选项：