Online Access Free API-570 Exam Questions

Buried piping inspected periodically by excavation shall be inspected in lengths of:

• A.Any length as long as it is inspected 180° circumference.
• B.Any length as long as It IS Inspected full circumference.
• C.6 feet -8 feet.
• D.3 feet -5. feet

Geometric unsharpness of the radiograph of a component under 2" th1ck shall not exceed

• A.0.020"
• B.0.040"
• C.0.050"
• D.0.030"

A piping system that operates at a design pressure of 100 psi at 950? F was originally built from NPS 20 EFW (100% radiographed), ½" wall, A-516 Grade 70, A-671 material. During the last Inspection, the thickness was determined to be 0.370 inches. The records indicated the corrosion rate to be 0.009 inches per year.
What is MAWP if the next inspection is planned in 5 years?

• A.98.23 psi
• B.126 psi
• C.285.17 psi
• D.Not enough information given

During a MT examination, shall be performed on each area.

• A.100% coverage at the required sensitivity
• B.at least three separate examinations
• C.prod spacing of at least
• D.a calibration of each piece of magnetizing equipment

The downstream limit of the injection point circuit is the second change in flow direction past the injection point or:

• A.100 feet, if the pipe is straight run
• B.50 feet beyond the first change
• C.25 feet beyond the first change
• D.No downstream requirement