MOOC 材料化学(运城学院)1450440212 最新慕课完整章节测试答案

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: 【