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API 570 Open Book Exam Questions with Certified Solutions
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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 ...
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API 570 Close Book Mockup Exam Latest Version Graded A+
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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
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API 570 Test Questions with Verified Solutions
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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 
5-The inspector discovers a problem on a pipe that requires corrective action. Who is responsible 
to respond to this issue? Owner/User 
6-API 570 ...
QUESTIONS AND ANSWERS
QUESTIONS AND ANSWERS
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API 570 - Open Book - Practice Exam 2024 Already Passed
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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 ...
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API 570 Test Questions with Verified Solutions
- Exam (elaborations) • 56 pages • 2024
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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
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API 570 Study Guide (Full) Questions and Answers Rated A+
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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
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API 570 Practice Test Questions With Verified Solutions
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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...
![API 570 Open Book Exam Questions with Certified Solutions](/docpics/5398280/664db5445088c_5398280_121_171.jpeg)
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API 570 Open Book Exam Questions with Certified Solutions
- Exam (elaborations) • 13 pages • 2024
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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 ...
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