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
A: external and internal shapes
B: only internal shapes
C: only external shapes
D: none of the above
举一反三
- In sand casting, the use of a Core in the Mold Cavity provides（ ） A: external features B: internal features C: internal external features D: none of the above
- Sand casting can create complex part geometries that can not be made by any other process.
- Two incomplete statements follow.<br/>Which words correctly complete each statement? A: 1 External, 2 Internal B: 1 Internal, 2 Internal C: 1 External, 2 External D: 1 Internal, 2 External
- When two two-terminal networks are equivalent, they are equivalent to ( ). A: external circuit B: internal circuit C: external circuit and internal circuit D: neither external circuit nor internal circuit
- Which of the following muscles contract(s) during quiet expiration A: Diaphragm B: Internal intercostals C: External intercostals D: None of the above E: All of the above