Engineering :: Foundry Technology
|
|
|
|
|
|
Which of the following statement about core is incorrect?
|
[A]. |
core should be permeable to escape of core gases | [B]. |
core should be capable of collapsing shortly after the molten metal has solidified around it
|
[C]. |
core should produce maximum amount of gas when in contact with molten metal | [D]. |
core should be capable of collapsing after the molten metal has solidified around it |
|
|
|
|