The distance between root and fillet weld is called:
Northern Coalfields Limited - 2020, NCL Technician - 2020,
Answer: B
The distance is the leg length.
A fillet weld is roughly triangular in section. Its leg length is the distance from the root of the joint to the toe of the weld along each plate; it is how fillet welds are usually specified (for example, a 6 mm fillet).
Throat thickness is the shortest distance from the root to the face of the weld, which for an equal-leg fillet is about 0.7 times the leg. Reinforcement is the excess metal above the plate surface in a butt weld, and root gap is the space between the parts before welding.
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