OQ's TEST QUESTIONS AND
VERIFIED ANSWERS
what should be done prior to taking measurements with a UT scope -
ANSWER calibrate the ultrasonic device, ensure the test surface is clean.
Abnormal Operating Conditions that will damage the serviceability of the pipe -
ANSWER Damaged riser, Cracks, Pitting, Dents, Gouges
Describe the types of defects that might be discovered during an inspection of
the exposed pipe. - ANSWER Pitting, scale, rust discoloration, wrinkles and
other discoloration
Describe conditions that may warrant extending the inspection beyond the
exposed area. - ANSWER Continuation of an individual pitting area, Coating
failure, Significant general corrosion, Any mechanical defect, Exposed metal
surface
react/ response to a AOC of leakage of vapors - ANSWER 1. Eliminate
potential ignition sources
2. Move to a safe location
3.Notify emergency response personnel as appropriate
4.Notify designated pipeline operator representative.
identify what to look for when performing an internal corrosion inspection. -
ANSWER Pitting, Erosion, Scale, Thinning, Internal coating, if applicable
Identify and describe the different soil resistivity methods - ANSWER
Wenner, Single Probe, Soil Box
identify the following defects that can be found visually - ANSWER Missing,
Damaged, Disbonded Coating, Cuts Dents, Gouges, cracks, wrinkle bends or
buckles
VERIFIED ANSWERS
what should be done prior to taking measurements with a UT scope -
ANSWER calibrate the ultrasonic device, ensure the test surface is clean.
Abnormal Operating Conditions that will damage the serviceability of the pipe -
ANSWER Damaged riser, Cracks, Pitting, Dents, Gouges
Describe the types of defects that might be discovered during an inspection of
the exposed pipe. - ANSWER Pitting, scale, rust discoloration, wrinkles and
other discoloration
Describe conditions that may warrant extending the inspection beyond the
exposed area. - ANSWER Continuation of an individual pitting area, Coating
failure, Significant general corrosion, Any mechanical defect, Exposed metal
surface
react/ response to a AOC of leakage of vapors - ANSWER 1. Eliminate
potential ignition sources
2. Move to a safe location
3.Notify emergency response personnel as appropriate
4.Notify designated pipeline operator representative.
identify what to look for when performing an internal corrosion inspection. -
ANSWER Pitting, Erosion, Scale, Thinning, Internal coating, if applicable
Identify and describe the different soil resistivity methods - ANSWER
Wenner, Single Probe, Soil Box
identify the following defects that can be found visually - ANSWER Missing,
Damaged, Disbonded Coating, Cuts Dents, Gouges, cracks, wrinkle bends or
buckles
