API 577 Exam Questions with Correct Answers Latest Update 2025
API 574 - Answers Piping System Components
CP-189 - Answers Qualification/Certification of Nondestructive Testing Personnel
ASTM A956 - Answers Leeb Hardness Testing
ASTM A1038 - Answers Portable Hardness Testing by UT Contact Impedance
ASTM E94 - Answers RT Exam
ASTM E1316 - Answers Terminology for Nondestructive Exam
NACE SP 0472 - Answers Prevent In-service Environmental Cracking of carbon steel weldments
WRC 342 - Answers SS Weld Metal: Prediction of Ferrite Content
ACFM can be used to find defects where? - Answers Surface breaking/Near Surface
Eddy Current exam primarily applies to what type of materials? - Answers Non-Ferromagnetic
Materials
Define fusion line - Answers Interface between base metal and weld metal
Define Lamellar tear - Answers Subsurface terrace and step-like crack in the base metal parallel
to the surface
True/ False
Recordable Indication exceeds rejection criteria. - Answers False, does not exceed
GTAW Alternating Current should be used when welding what type of materials? - Answers
Aluminum and Magnesium
GMAW Globular Transfer is limited to what positions? - Answers Flat and Horizontal
The Plasma arc welding non transferred spray process is solely used for what? - Answers The
deposition of surface coatings
A bridge cam gauge can be used to determine what? - Answers weld prep angle, excess weld
metal, depth of undercut or pitting fillet weld throat size, weld leg-length misalignment
An adjustable fillet weld gauge is used to determine what? - Answers Weld sizes for fit ups with
45 degree members and welds with unequal leg lengths.
True/False
, Reportable Indication does not exceed rejection criteria. - Answers False, Does exceed
Weld size gauge is used to determine what? - Answers Fillet weld size, actual throat size of
convex/concave fillet welds, reinforcement of butt weld and root openings
Hi-lo weld gauge is used to determine what? - Answers internal misalignment, pipe wall
thickness after alignment length between scribe lines, root opening 37 and a 1/2 bevel, fillet
weld leg size, reinforcement on butt welds, internal mismatch, weld Crown height, root weld
spacing
ACFM is used for the evaluation and monitoring of what? - Answers Existing Cracks
True/False
ACFM instrument needs to be calibrated every 2 years. - Answers False, ACFM instrument does
not need to be calibrated.
Eddy Current is used to detect defects where? - Answers On the surface and sub-surface
Where is lack of fusion typically located? - Answers Weld bevel angle or between subsequent
weld passes
When supplementary essential variables apply are they treated as essential or non-essential
variables? - Answers Essential
Ut Straight Beam technique is used to evaluate or check for what? - Answers Thickness
evaluation, laminations
UT Shear wave or Angle Beam UT are used to ID what? - Answers discontinuities in welds
When using UT A scan what does the x-axis and y-axis represent? - Answers X axis= Time of
flight, depth, back wall thickness
Y axis= Size of discontinuity
UT B scan shows what type of view and has what type of axis? - Answers Cross Sectional view,
Horizontal axis
UT D scan shows what type of view and what is the key word for D scan? - Answers Through
thickness view,
Keyword is perpendicular
Phase Array s scan shows what type of Imaging? - Answers Two Dimensional
API 574 - Answers Piping System Components
CP-189 - Answers Qualification/Certification of Nondestructive Testing Personnel
ASTM A956 - Answers Leeb Hardness Testing
ASTM A1038 - Answers Portable Hardness Testing by UT Contact Impedance
ASTM E94 - Answers RT Exam
ASTM E1316 - Answers Terminology for Nondestructive Exam
NACE SP 0472 - Answers Prevent In-service Environmental Cracking of carbon steel weldments
WRC 342 - Answers SS Weld Metal: Prediction of Ferrite Content
ACFM can be used to find defects where? - Answers Surface breaking/Near Surface
Eddy Current exam primarily applies to what type of materials? - Answers Non-Ferromagnetic
Materials
Define fusion line - Answers Interface between base metal and weld metal
Define Lamellar tear - Answers Subsurface terrace and step-like crack in the base metal parallel
to the surface
True/ False
Recordable Indication exceeds rejection criteria. - Answers False, does not exceed
GTAW Alternating Current should be used when welding what type of materials? - Answers
Aluminum and Magnesium
GMAW Globular Transfer is limited to what positions? - Answers Flat and Horizontal
The Plasma arc welding non transferred spray process is solely used for what? - Answers The
deposition of surface coatings
A bridge cam gauge can be used to determine what? - Answers weld prep angle, excess weld
metal, depth of undercut or pitting fillet weld throat size, weld leg-length misalignment
An adjustable fillet weld gauge is used to determine what? - Answers Weld sizes for fit ups with
45 degree members and welds with unequal leg lengths.
True/False
, Reportable Indication does not exceed rejection criteria. - Answers False, Does exceed
Weld size gauge is used to determine what? - Answers Fillet weld size, actual throat size of
convex/concave fillet welds, reinforcement of butt weld and root openings
Hi-lo weld gauge is used to determine what? - Answers internal misalignment, pipe wall
thickness after alignment length between scribe lines, root opening 37 and a 1/2 bevel, fillet
weld leg size, reinforcement on butt welds, internal mismatch, weld Crown height, root weld
spacing
ACFM is used for the evaluation and monitoring of what? - Answers Existing Cracks
True/False
ACFM instrument needs to be calibrated every 2 years. - Answers False, ACFM instrument does
not need to be calibrated.
Eddy Current is used to detect defects where? - Answers On the surface and sub-surface
Where is lack of fusion typically located? - Answers Weld bevel angle or between subsequent
weld passes
When supplementary essential variables apply are they treated as essential or non-essential
variables? - Answers Essential
Ut Straight Beam technique is used to evaluate or check for what? - Answers Thickness
evaluation, laminations
UT Shear wave or Angle Beam UT are used to ID what? - Answers discontinuities in welds
When using UT A scan what does the x-axis and y-axis represent? - Answers X axis= Time of
flight, depth, back wall thickness
Y axis= Size of discontinuity
UT B scan shows what type of view and has what type of axis? - Answers Cross Sectional view,
Horizontal axis
UT D scan shows what type of view and what is the key word for D scan? - Answers Through
thickness view,
Keyword is perpendicular
Phase Array s scan shows what type of Imaging? - Answers Two Dimensional
