General Studies · Welding
What is the primary purpose of using a thermochalk (tempil stick) in welding operations?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To measure the depth of the weld groove
- 2To maintain a constant welding arc length
- 3To monitor and check the preheating or interpass temperature✓
- 4To mark structural dimensions on the metal plate
Correct answer
To monitor and check the preheating or interpass temperature
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