超星 - Materials-L10-preview - 查题吧

单选题

10.1 The fracture appearances of ductile and brittle failure are

A. ductile-flat, brittle-cup-cone
B. ductile-flat, brittle-flat
C. ductile-cup-cone, brittle-cup-cone
D. ductile-cup-cone, brittle-flat

判断题

10.2 The existance of a crack results in locally intensified stresses which diminish with the decrease of distance

A. 对
B. 错

判断题

10.3 Both brittle and ductile fractures are dependent on Temperature.

A. 对
B. 错

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