题目内容

Workers who perform casting are called( )

A. Foundrymen
Blacksmith
C. Welder
D. Sheet metal Engineer

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Casting can create complex part geometries with ( )

A. external and internal shapes
B. only internal shapes
C. only external shapes
D. none of the above

Steps in casting are correspondently simple, first melt the metal, second pour it into a mold and thirdly( )

A. Let it freeze
B. Let it burn
C. Let it evaporate
D. Let it fracture

Casting is the process in which ( )-metal flows by gravity or other force into a mold where it solidifies in the shape of the mold cavity

A. Molten
B. Frozen
C. Wedged
D. Solid

Most Brittle materials are( )

A. Crack resistant
B. Crack propagate quickly
Crack parallel to direction of applied stress
D. None of the above

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