API 570 Study guides, Class notes & Summaries

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QUESTIONS AND ANSWERS

QUESTIONS AND ANSWERS

A Hydrotest is conducted on an underground line as a substitute for the external inspection. The test pressure is 200 Psig. At the end of the test, the pressure must be at least - API 570 9.8.6 190 Psig. Determine the maximum allowed pressure for a Class 300 flange that has a design temperature of 950 °F. The flange material is ASTM A217 Gr. C12 - B16.5 Table 1.1-1 375 Psig. An 8 NPS pipe is being replaced with A106 gr. B material. The pipe retirement thickness (Tmin) is 0.218" and the ...

Section 1 - Scope 1-Which of the following activities is NOT included in the scope of API 570? Operating a pipe system 2-Which of the following activities is NOT included in the scope of API 570? Performing pipe fabrication 3-API 570 pertains to: Only to metallic and FRP pipe 4-API 570 pertains only to: Pipe and their associated relief devices

Pressure applied inside a pipe creates stress in the pipe wall. These stresses are highest on which weld orientation? longitudinal weld Per B31.3, how much RT is conducted on circumferential welds of a pipe in normal service? 10% for welded pipe, the normal thickness of under-tolerance is? .010 or 10 mils The corrosiveness of soils can be determined by measuring the soils: Resistivity

In severe refinery services which type of pipe is normally used? seamless Pressure applied inside a pipe creates stress in the pipe wall. These stresses are highest on which weld orientation? longitudinal weld Per B31.3, how much RT is conducted on circumferential welds of a pipe in normal service. 10% for welded pipe, the normal thickness of under-tolerance is? .010 or 10 mils when qualifying a weld procedure the esential variables must: be recorded on both the WPS & PQR a pipe has a th...

1- A hydrotest is being conducted on an underground line as a substitute for the external inspection. The test pressure is 200 psig. At the end of the test, the pressure must be at least: C.190 psig 2- Determine the maximum allowed pressure for a class 300 flange that has a design temperature of 950 degrees F. The flange material is ASTM A217 gr.C12 B. 375 psig 3- An 8 NPS pipe is being replaced with A106 gr. B material. The pipe retirement thickness is 0.218" and the corrosion allowance ...

1. Reheating a hardened material to a temperature below the transformation to improve toughness is called as; Tempering B 31.3- 08 300.2 Which Recommended Practice of API is covering the details of Material verification and traceability? API 578 API 570 Clause 2 Who is having responsibility of API 570 to be followed? Owner / User API 570 4.3.1.1 At what places fatigue cracks usually initiate? On the surface at notches API 571 4.2.16.3

API 570 practice test 100% Solved 2024 In severe refinery services which type of pipe is normally used? - Answer- seamless Pressure applied inside a pipe creates stress in the pipe wall. These stresses are highest on which weld orientation? - Answer- longitudinal weld Per B31.3, how much RT is conducted on circumferential welds of a pipe in normal service. - Answer- 10% for welded pipe, the normal thickness of under-tolerance is? - Answer- .010 or 10 mils when qualifying a weld procedure ...