知道智慧树网课:Weldability of Metals and Alloys金属焊接性(太原理工大学)章节测试满分答案.docx
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第一章测试
1
【单选题】(2分)
Withcarbonequivalent(),thesteelhasalowtendencytohardenandcoldcracking?○A.
lessthan0.60%○B.
lessthan0.40%○C.
lessthan0.80%○D.
lessthan0.50%
□口口口
□口口口
B
2
【单选题】(2分)
()isnotafactorthataffectsweldability.○A.
chemicalcomposition
O
B.
jointtype
C.
Weldingprocess
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