A welding symbol has a circle on the reference line with its center at the intersection of the reference line and leader line. Another circle has its center at the middle of the reference line. Next to this circle is the notation "40". A vertical line starts at the center of the first circle and is drawn upwards, and a small filled in equilateral triangle is attached to the top with one side on the vertical line. What does this welding symbol signify?
A. A weld is to be made all around. The kind of weld is not specified. The weld will have a minimum shear strength of 40 pounds per linear inch of weld.
B. 40 spot welds are to be made all around in the field.
C. 40 welds are to be made all around. The weld will have a minimum shear strength of 40 pounds per linear inch of weld.
D. A weld is to be made all around in the field. The weld will have a minimum shear strength of 40 pounds per linear inch of weld.
E. None of the above. This is an incorrect symbol.
Answer: E
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