

MCQOPTIONS
Saved Bookmarks
1. |
Components produced by die-casting have finer grain, higher strength and greater hardness at the skin than at the centre due to |
A. | The decreased wall thickness of the die cavity |
B. | Rapid chilling of molten metal at the die walls |
C. | High temperature involved in the process |
D. | The high tonnage of die casting machines |
Answer» C. High temperature involved in the process | |