

MCQOPTIONS
Saved Bookmarks
1. |
The best wire size (in mm) for measuring effective diameter of a metric thread (included angle is 60°) of 20 mm diameter and 2.5 mm pitch using two wire method is |
A. | 1.443 |
B. | 0.723 |
C. | 2.886 |
D. | 2.086 |
Answer» B. 0.723 | |