

MCQOPTIONS
Saved Bookmarks
1. |
In the case of arc welding find the arc time, if the time for which the arc is switched on is given as 4hrs and the hours worked with that is given as 2hr? |
A. | 4hrs |
B. | 2hrs |
C. | 6hrs |
D. | 8hrs |
Answer» C. 6hrs | |