less than that of molten metal

more than that of molten metal

equal to that of molten metal

none of the above

Shield metal arc welding

Gas tungsten arc welding

Thermit welding

Resistance welding

Skill of the welder

The quality of the material

The non-destructive test procedures

The manufacturing method

Ductility

Impact value

Tensile strength

Percentage of elongation

Poor penetration

Crack

Contamination in weld metal

Lack of fusion