qc 1
What is the primary goal of weld quality control in manufacturing
To Ensure welds meet specified standards and performance requirements.
PG 7
VT of a weld is primarily used to assess
Surface discontinuities and workmanship
PG 10
Which defect is most typically detected by MT
cracks on or near the surface
PG 10
what does NDT mean
Non-Destructive Testing
PG 69
Porosity in a weld is typically caused by what
Trapped gas
PG 11
When should a welder be requalified?
when process variables exceed the range specified by WPS or after a major repair
PG 2
what factor directly influences weld quality in a shaded welding environment
Welding Lense shade
PG 2
In UT, what does a continuous straight echo indicate?
A possible planar defect aligned with the sound beam
PG 10
which NDT method is the best for finding internal porosity
RT
PG 11
Which defect can be minimized by proper Joint fit up
Lack of fusion
PG 321
which inspection method is most appropriate for detecting lack of fusion under a surface layer
PT
PG 9
Which gas related parameter most directly affects weld quality in GMAW/TIG processes
Shielding gas purity and flow rates
PG 47
A post weld heat treatment is often required to
Relieve residual stresses and alter mechanical properties
PG 51
Which standard commonly governs welder qualifications for structural steel in america
AWS d1.1
PG 7
In a quality program, what is the purpose of a weld map
To document weld location, size, and inspection status.
PG 69
what does the term fit up refer to
The alignment and gap between parts before welding
PG 69
If a nonconformance is found, the correct action is to?
Record and classify, quarantine affected welds, and initiate corrective actions
PG 39
Which inspection method is most suitable for detecting internal weld discontinuities
Radiographic testing (RT)
PG 11
In RT a bright linear indication running lengthways in the weld could mean
Crack or lack of fusion
PG 12
In radiographic testing, which artifact can mimic a crack and lead to a false positive?
Underexposed film or digital artifact
PG 46
what is sario's favourite kind of wheel
Wangon wheel
PG 1
which factor directly influences weld integrity in high strength steel when welding near corners
proper joint design, sequence, and restraint to control distortion.
PG 69
The purpose of a procedure Qualification Record is to?
Document results of a test to prove you are capable
PG 69
Which standard is most commonly used for welding procedure qualifications
AWS QW-409
PG 8
What document specifies the welding procedure, materials, and performance requirements for the weld?
Welding procedure specification (WPS)
PG 69