McqMate
| Q. |
The gases used in tungsten inert gas welding are |
| A. | Argon and helium |
| B. | Helium and neon |
| C. | Ozone and neon |
| D. | Atomic hydrogen and neon |
| E. | Carbonsioxide and nitrogen |
| Answer» A. Argon and helium | |
View all MCQs in
Production EngineeringNo comments yet