API 510 Questions and Answers 100%
Pass
API 577 requires how many welds to be radiographed?
None
CUI Temperature affecting Stainless Steel
150 to 400 degrees
Weld process most widely used
SMAW
Arc between electrode and weld pool. Heat from arc comes from consumable
covered electrode
SMAW
Which GMAW mode is fast freezing and tends to have lack of fusion?
GMAW short circuit mode
Process using directed stream of discrete drops?
GMAW spray transfer
Variables required on WPS
Essential, non-essential, supplemental essential when toughness test required
Variables for PQR
Essential
Purpose of P numbers
Reduce the number of weld procedure qualifications required
What is F numbers
Filler material Usability characteristics
What alloy is P-53?
Titanium
How some electrodes are stored
Warm holding ovens
Wet electrodes shall be
, Discarded
Which discontinuities are at the toe of the weld
Overlap or Undercut
How to find side wall lack of fusion
UT
Most commonly used NDE for welds
Visual
Visual exam distance
6 to 24"
Visual exam angle
30 degrees
MT flux direction is best positioned
Perpendicular to the discontinuity
Result of residual magnetism
Deflect arc or arc blow
When PT on stainless steel, watch out for
Chlorine and fluorine sulfur and halogens
Determines which IQI to be used
Thickness of base metal plus reinforcement
Placement of IQI
Perpendicular across the weld
Wall thickness for Iridium 192
0.25 to 3"
Wall thickness for Cobalt 60
1.5 to 7"
Typical hold time for pressure test
30 minutes
Weld metal is most akin to that of
Castings
Mechanical properties are altered here
HAZ area
Pass
API 577 requires how many welds to be radiographed?
None
CUI Temperature affecting Stainless Steel
150 to 400 degrees
Weld process most widely used
SMAW
Arc between electrode and weld pool. Heat from arc comes from consumable
covered electrode
SMAW
Which GMAW mode is fast freezing and tends to have lack of fusion?
GMAW short circuit mode
Process using directed stream of discrete drops?
GMAW spray transfer
Variables required on WPS
Essential, non-essential, supplemental essential when toughness test required
Variables for PQR
Essential
Purpose of P numbers
Reduce the number of weld procedure qualifications required
What is F numbers
Filler material Usability characteristics
What alloy is P-53?
Titanium
How some electrodes are stored
Warm holding ovens
Wet electrodes shall be
, Discarded
Which discontinuities are at the toe of the weld
Overlap or Undercut
How to find side wall lack of fusion
UT
Most commonly used NDE for welds
Visual
Visual exam distance
6 to 24"
Visual exam angle
30 degrees
MT flux direction is best positioned
Perpendicular to the discontinuity
Result of residual magnetism
Deflect arc or arc blow
When PT on stainless steel, watch out for
Chlorine and fluorine sulfur and halogens
Determines which IQI to be used
Thickness of base metal plus reinforcement
Placement of IQI
Perpendicular across the weld
Wall thickness for Iridium 192
0.25 to 3"
Wall thickness for Cobalt 60
1.5 to 7"
Typical hold time for pressure test
30 minutes
Weld metal is most akin to that of
Castings
Mechanical properties are altered here
HAZ area
