API-570

What is the design thickness of NPS 2 ½, SA106 Gr.B pipe that operates at 25 psi / 200°FA . 0.275” B. 0.100” C. 0.002” D. not enough information givenView AnswerAnswer: C

When an injection point circuit for the purpose of inspection is designated, the recommended up stream limit of the injection point circuit shall be the greater of ?A . minimum 12 inches B. maximum 12 inches C. three pipe diameters D. both A and CView AnswerAnswer: D

can cause flame detectors used to indicate a furnace or boiler fire to give false indications on control panels.A . Welding or related repairs on piping B. Piping alterations in the shop C. Ultrasonic inspection D. Radiographic inspectionView AnswerAnswer: D

In the AWS D 5.1, what is the designation for cellulose DCEP electrode?A . E 7018 B. E 7016 C. E 6011 D. E 6010View AnswerAnswer: D

With respect to Category ‘D’ service, what is the maximum allowable undercut for a branch connection?A . Zero (no evident imperfections) B. £ 1/32” C. £ 1 mm D. Both B and CView AnswerAnswer: D

During a welder qualification test on 3/8” plate in the horizontal position, how many guided bends are required?A . 6 side bends B. 2 nick breaks C. 1 face and 1 root bends D. 4 tensile specimensView AnswerAnswer: C