Question

A 10 mm fillet weld has a nominal:

a) Throat dimension of 10 mm.
b) Area of 10 sq. mm.
c) Leg size of 10 mm.
d) Face width of 10 mm.

Answer 1

A 10 mm fillet weld nominally refers to the leg size, which means option c) Leg size of 10 mm is the correct answer.

Step-by-step explanation:

The subject question pertains to a feature of a fillet weld, asking what a 10 mm fillet weld has as a nominal dimension. Specifically, the options to define the nominal dimension include: throat dimension, area, leg size, and face width.

A fillet weld is a type of weld that joins two parts at a right angle. The leg size is typically what defines a fillet weld size. Therefore, a 10 mm fillet weld has a nominal leg size of 10 mm. The throat dimension, which is the distance from the root of the weld to the face along the centerline of the weld throat, would be approximately 0.707 x leg size if it were a perfect 45-degree triangle, but it is not directly specified by the leg size alone. The area of the weld would be based on the effective throat and the length of the weld, not just a feature of the weld size. The face width refers to the visible surface of the weld, which can be greater than the leg size depending on the welding technique and is not directly defined by the leg size.