_______________ is the area in which soil must be removed by non-
mechanical means (such as hand digging, pot- holing, or hydro-vac)
rather than mechanical means. - CORRECT ANSWER - Excavation
tolerance zone
_______________ shall be inspected during installation to determine
that the carrier pipe is supported, sealed, and insulated from the casing.
- CORRECT ANSWER - Cased crossings
__________________ is referenced in API 1110 for calculating the
remaining lives of anomalies that may remain in the system so that
reassessment can be carried out to reevaluate the anomalies and
remediate if necessary. - CORRECT ANSWER - API 1160
__________________ records shall be kept showing the location as
installed of each grade, wall thickness, type, specification, and
manufacturer of the pipe - CORRECT ANSWER - Permanent
____________is the area where the ground disturbance occurs within 50
feet of the centerline of the existing facility, or within the existing facility
right-of-way (ROW) or other easement, whichever is greater. -
CORRECT ANSWER - Encroachment area
,(Choose all correct answers) Prior to ANY ground disturbance, an
inspector should have the__________available. one call numbers,
alignment sheet, certification for the backhoe, sweep map (sketch) -
CORRECT ANSWER - one call numbers, alignment sheet, sweep map
(sketch)
A _____________ is a device used during the bending process to prevent
pipe ovality. - CORRECT ANSWER - mandrel
A ________________ is a tool that can measure the ovality of a pipeline.
- CORRECT ANSWER - caliper
A bend in the pipe that is convex low on the ends and high in the middle.
- CORRECT ANSWER - over bend
A condition in which a circular pipe forms into an ellipse, usually as the
result of external forces. - CORRECT ANSWER - Ovality
A discontinuity in a structure or change in contour that causes a local
increase in stress. - CORRECT ANSWER - Stress raisers ( on this to the
answer was none of the above)
A drainage ditch adjacent to roadways or field boundaries is known as a
______________? - CORRECT ANSWER - bar ditch
, a frac-out is________? - CORRECT ANSWER - when drilling mud
travels to the surface
A geographic field containing a well or wells that are completed for and
dedicated to subsurface storage of large quantities of gas for later
recovery, transmission, and end use. - CORRECT ANSWER - storage
field
A heavy, colorless gas that does not support combustion, dissolves in
water to form carbonic acid, and is found in some natural gas streams.
- CORRECT ANSWER - carbon dioxide
A hydrostatic or pneumatic leak test may be used for piping systems to
be operated at a hoop stress of 20% or less of the SMYS of the pipe. -
CORRECT ANSWER - 1 hour
A length of pipeline or part of the system that has unique characteristics
in a specific geographic location - CORRECT ANSWER - pipeline
segment
A method of NDT that typically uses a dye and a contrast to reveal
surface breaking discontinuities in a weld. - CORRECT ANSWER -
penetrant testing (also known as dye penetrant testing)