CSA Standard W47.1 does permit some: C) porosity.
A) surface cracks.
B) visible lack of fusion between welds and base
metal.
C) porosity.
D) craters.
The causes of excessive convexity include: E) all of the above.
A) incorrect work angle, travel angle, or travel
speed.
B) incorrect electrode size for the application.
C) incorrect voltage, current, or tip-to-work
distance.
D) contaminants such as oil, paint, rust, mill scale.
E) all of the above.
Excessive root face can cause: A) incomplete joint penetration and incomplete side wall fusion.
A) incomplete joint penetration and incomplete side
wall fusion.
B) excessive melt-through.
C) burn through
D) excessive cap reinforcement.
, Practical Welding Inspector
Typical methods for PMI include: C) A and B.
A) X-ray fluorescence (XRF.)
B) optical emission spectroscopy (OES).
C) A and B.
D) none of the above.
Codes and Standards terms and definitions should C) American Welding Society Standard A3.0, Standard Welding Terms and
be in accordance with: Definitions.
A) CSA terms and definitions
B) ASME terms and definitions
C) American Welding Society Standard A3.0,
Standard Welding Terms and Definitions.
D) Z662, Standard Welding Terms and Definitions.
, Practical Welding Inspector
When using a convex fillet weld gauge which weld D) Convex and flat
profiles can be measured?
A) Convex only
B) Concave only
C) Flat only
D) Convex and flat
CSA and AWS standards include the use of an A) H4, H8, or H16
optional designator to specify the diffusible
hydrogen level of the weld metal. What are these
designators?
A) H4, H8, or H16
B) H8 or H16
C) H8, H16, or H32
D) none of the above.
Causes of trapped slag are: E) all of the above.
A) high viscosity weld metal.
B) improper manipulation of the electrode.
C) undercut from a previous weld pass in multipass
welds.
D) arc blow.
E) all of the above.