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API 570 - OPEN BOOK - PRACTICE EXAM 2024
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API 570 - OPEN BOOK - PRACTICE EXAM 2024
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API 570 - OPEN BOOK - PRACTICE EXAM 2024A 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 - Answers -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 -
Answers -375 Psig.
An 8 NPS pipe is being replaced with A106 gr. B material. The pipe retirement thickness
(Tmin) is 0.218" and the corrosion allowance is 0.125". what is the minimum thickness
of pipe that could be ordered after adjusting for mill-tolerance? - API 574: 4.1.1 -
Answers -0.392"
A welder is being qualified by RT on a 0.600" plate using the SMAW process. What is
the maximum allowed length of an individual elongated slag inclusion for this qualifying
test? - ASME Sect. IX - QW-191.1.2.2(a)(2)(b) - Answers -0.200"
Protection in a boiler from Boiler Feed Water Corrosion is accomplished by: - API 571:
3.9.3.b - Answers -Maintaining a protective corrosion layer of magnetite (Fe3O4).
During the evaluation of a radiograph, the density at the IQI is 3.0. What is the minimum
density allowed on this radiograph in the weld? - ASME Sect V: T-282.2(a)(1) - Answers
-2.55
Which materials are generally Not susceptible to Acidic Sour Water Corrosion? This
may have more than one correct answer. Please select all answers that apply - API
571: 3.58.2.a&b - Answers -Copper, Nickel, Stainless Alloys
For Class 2 piping, a petrochemical plant should consider performing CUI inspections
at: API 570: Table 2 (pg. 48) - Answers -33% of the non-damaged areas.
The set pressure for a relief device protecting piping systems shall be set: ASME B31.3
- 322.6.3(b) - Answers -In accordance with the rules of ASME B&PV Section VIII.
When performing a WFMPT (Wet Fluorescent Magnetic Particle Testing) examination,
prior to the examination, the examiner shall be in a darkened area for. ASME Sect V. -
T-777.2(b) - Answers -5 Minutes
What is the maximum allowed hydrotest pressure for piping with class 300 flanges that
are made of ASTM 182 Gr. F316 Material? The Design Temperature is 600 °F - ASME
B16.5: 2.6, Tables 1.1-1 & 2-2.2c - Answers -1100 Psig.
, What is the required preheat temperature for an A106 Gr. B pipe with carbon content
less than 0.2% and has a wall thickness of 0.500"? - ASME B31.3: Table 330.1.1 -
Answers -50 °F
Atmospheric corrosion becomes less of an issue at temperatures above: - API 571 -
3.8.3.f - Answers -250 °F
Which of the following is an essential variable when qualifying a welder using the
SMAW process? - ASME Sect. IX - Table QW-416 or Table QW-353 - Answers -
Deletion of backing
Which document provides information on Integrity Operating windows? - API 570: 2 -
Answers -API 584
Without performing impact tests, what is the minimum allowed temperature for the
following piping system?
Material: A106 Gr. C
Nominal Thickness: 0.750"
Line Size: 6 NPS
Retirement Thickness: 0.500"
ASME B31.3: Table A-1, Table 323.2.2A - Answers -+ 15 °F
During the design of a pipe alteration, it is determined that impact testing of the pipe is
required. The pipe material is A106 Gr. C and is considered a fully deoxidized steel.
During impact testing all three specimens should break at or above: ASME B31.3: Table
323.3.5 - Answers -12 ft-lbs.
CS HAZ created - base metal temp during welding is: - API 577: 10.2.4 - Answers ->
1350 °F
30% solution of Caustic, PWHT Recommended for CS is: - API 571: Fig 3-15-1 -
Answers -≥ 140 °F
Minimum preheat temp for 5B mtl, with SMTS = 70 KSI is: - ASME B31.3 Table 330.1.1
- Answers -400 °F
Normal CS PWHT Temp is: - ASME B31.3: Table 331.1.1 - Answers -1100 - 1200 °F
A liquid penetrant procedure must be qualified when performing the examination: -
ASME Sect. V - T-653 - Answers -On Materials below 40 °F
When qualifying a SMAW weld procedure, if the "A-Number" on the PQR is an A-2,
what "A-Number" must be on the WPS? - ASME Sect. IX - Table QW-253 & QW-404.5 -
Answers -A-1 or A-2
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