Complete Solutions
What is the preferred term for "arc strike" in pipeline applications? Arc burn
What is the abbreviation for welder qualification test record? WQTR
True or False: according to Clause 3 (Pipeline), cluster porosity shall be considered a defect if
the diameter of the cluster exceeds 1/2 inch? True
What statements is correct for base materials used in structural applications? the depth of
a mill induced discontinuity is the depth measured from the cut surface.
A pipeline bend specimen is tested on piping of a 6" nominal that is 3/16" thick. There is a
fracture on one of the bend specimens that is 1/8" in length. does this specimen pass or fail?
Fails
What is the abbreviation for penetrant testing? PT.
, What is the base metal thickness range qualified for WPS if it is qualified on A36 plate 1 in
thick. 3/16" up to 2T (2 times thickness) or 2"
What is a weld bead placed at a specific location in or at the surface of a weld for purpose of
affecting the metallurgical properties of the heat-affected zone or previously deposited weld
metal? Temper bead.
What is the abbreviation for Burn-through? BT
Welders who test on plate according to clause 6.0 can be qualified to weld which of the
following if visual and Bends are acceptable? The welder can only weld on plate and on
pipe over 24" in diameter.
Edge preparation details and fit-up dimensions for Pipeline shall be as specified in the ______?
WPS
The documentation for Performance Qualification shall include ______? Identify test and
examination methods used and results.