[Oct 15, 2023] Verified API-570 dumps and 150 unique questions [Q34-Q54]

NO.34 Piping subject to CUI includes piping insulated for personnel protection, especially:

NO.35 A welder who tests on a ½” thick plate, groove weld in the 3G position is also qualified to weld in which other plate position?

NO.36 Buried piping inspected periodically by excavation shall be inspected in lengths of:

NO.37 A leak test is an alternative to inspection of buried piping.
What is the minimum liquid pressure to adequately conduct this test?

NO.38 The minimum required pipe wall thickness or retirement thickness shall be based on pressure, mechanical and structural considerations using the appropriate design formulae and.

NO.39 The preheat zone shall extend beyond each edge of a pipe weld

NO.40 When a welder has not welded with a process during a period of, his qualifications for that process shall expire

NO.41 The repair organization shall use welders and welding operators qualified in accordance with the code to which the piping was built or alternatively_____.

NO.42 What is the pressure design thickness of NPS10A516 Gr.65 Type 22 pipe that operateat 1200psig/750°F

NO.43 The three well-known methods of determining soil resistivity are, soil bar, soil box and______.

NO.44 Piping systems that are not located in high activity areas and do not significantly vaporize are designated as______.

NO.45 Excessive cyclic stresses that are well below the static yield strength of the material result in.

NO.46 During a MT examination, shall be performed on each area.

NO.47 Where should the numbers be placed on a radiograph?

NO.48 What the MAWP is recalculated, the wall thickness used shall be the actual thickness minus:

NO.49 What is the working pressure of a 150 Ib. flange, SA 350 Gr.LF6 CL 1, used at 400°F?

NO.50 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?

NO.51 The base metal is P.No.8, the weld metal is A . No.8-9, and the wall thickness is 1″, what is the hold time for heat treatment

NO.52 What is the required thickness of straight run pipe subject to internal pressure only, based on the following conditions: NPS 14, SA 285 Gr.C, EFW Spiral seam (No radiography), operating at 216 psi / 378?F

NO.53 When can welding procedures qualified by other than the employer be used?

NO.54 In evaluating blisters and laminations in piping, assessments should be performed in accordance with_____.