Electrode should be kept at a distance of ________ above the spot where we wish to strike the arc
Direct Answer
Option A: 20-30 mm
When preparing to strike an arc, the electrode tip should be positioned approximately 20-30 mm above the intended starting point. This distance allows the welder to stabilize their position and prepare for the initial strike while minimizing the risk of accidental arcing or sticking.
All Options
Detailed Explanation & Context
When preparing to strike an arc, the electrode tip should be positioned approximately 20-30 mm above the intended starting point. This distance allows the welder to stabilize their position and prepare for the initial strike while minimizing the risk of accidental arcing or sticking.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Marine Engineering Knowledge (MEK).
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