MEK Exit Exam • Set 4 Question 27 of 30
The welding arc length should be:
✓
Direct Answer
Option A: Equal to the diameter of the electrode
For stable arc welding, the arc length should be maintained roughly equal to the diameter of the electrode core wire to prevent arc instability or poor fusion.
All Options
A
Equal to the diameter of the electrode
(Correct Answer)
B
Less than the diameter of the electrode
C
6-12mm
D
20mm
Detailed Explanation & Context
For stable arc welding, the arc length should be maintained roughly equal to the diameter of the electrode core wire to prevent arc instability or poor fusion.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Marine Engineering Knowledge (MEK).
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