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Q: The strength of fillet weld is ...................
  • A. About 80 to 95 percent of the main member
  • B. Equal to that of the main member
  • C. More than that of the main member
  • D. Equal to or more than that of main member
Correct Answer: Option A - Fillet weld is provided when two metal surfaces to be joined are in different planes. • Fillet welds are easy to make, require less material preparation and are easier to fit than the butt welds. • However for a given amount of weld material, they are not strong and cause of greater concentration of stress. That's why the strength of the fillet weld is about 80 to 95% of the main member.
A. Fillet weld is provided when two metal surfaces to be joined are in different planes. • Fillet welds are easy to make, require less material preparation and are easier to fit than the butt welds. • However for a given amount of weld material, they are not strong and cause of greater concentration of stress. That's why the strength of the fillet weld is about 80 to 95% of the main member.

Explanations:

Fillet weld is provided when two metal surfaces to be joined are in different planes. • Fillet welds are easy to make, require less material preparation and are easier to fit than the butt welds. • However for a given amount of weld material, they are not strong and cause of greater concentration of stress. That's why the strength of the fillet weld is about 80 to 95% of the main member.