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API 570 Practice Test questions and answers graded A+ 2024/2025
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API 570 Practice Test questions and answers graded A+ 2024/2025
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API 570 Practice TestDocument any systems containing tell-tale holes. - ANSThe practice of installing guage
holes (tell-tale holes) has been discontinued with the advent of current thickness measuring
techniques. What action should the inspector take should he or she encounter piping
systems that contain guage holes?
0.200" (AVG) - ANSThe following thickness measurements were obtained at one
examination point in a CML; 0.198", 0.200", 0.195", and 0.205". Which thickness should be
used to calculate the corrosion rate, remaining life, and the next inspection date?
Warehouse PMI testing should never be regarded as an alternative to testing the fabricated
system. - ANSAccording to API RP-578, which of the following is the most correct statement
regarding a positive material identification (PMI) testing program in a warehouse?
The piping engineer - ANSAll environmental cracking found during in-service inspections
should be evaluated by:
Temperature - ANSAccording to B16.5, which of the following is not required to be marked
on a flange?
Class 2 - ANSA piping system, locators inside the boundary limits (ISBL) of an operating
unit, contains hydrocarbons that would vaporize very slowly in the event of a release.
According to API-570, which service classification would this system fall under?
Infra red thermography - ANSWhich of the following inspection methods would be the most
appropriate for inspection a refractory lined regenerator overhead duct, to the CO boiler, for
refractory damage?
Break up the concrete and inspect for corrosion beneath the surface. - ANSInspection of the
concrete to air interface of buried piping shows deterioration of the caulking and corrosion is
noted at the interface area. The system has been in service for more than 15 years and is
not categorically protected. What should be done with this system?
The PQR shall be certified accurate by the manufacturer or contractor - ANSAccording to
ASME Section IX, which of the following must be on every proceeded qualification record
(PQR)?
Owner/user's experience with similar service - ANSHow is the first thickness measurement
interval established for newly installed piping systems or systems that have had a change of
service?
Internal Inspection - ANSWhen thinning is determined, near a flanged connection on large
diameter lines in service, which of the following would be the best inspection method the
next scheduled downtime?
, Replacement with improper components - ANSFasteners and components, attached by
threads or bolted to a piping system, have a greater potentiometer for:
The applicable code and the owner/user's specification - ANSUnless otherwise specified in
API-570, NDE of repair or alteration welds shall be in accordance with:
The owner/user - ANSThe extent of positive material identification of allow materials, used
for repairs or alterations, shall be determined by the:
The name of the person performing the certification tests - ANSCertification of contaminant
content shall be obtained when performing liquid penetrant examination on nickel based
allows, austenitic or duplex stainless steels, and titanium. This certification shall contain all of
the following except:
Unusual thinning or corrosion reported by the repair organization. - ANSWhich of the
following would be used to determine the amount and frequency of valve inspection in a
piping system?
330 psi - ANSWhat is the pneumatic test pressure for a piping system designed for 300 psi
at 600 degrees Fahrenheit with an allowable stress at design temperature of 16000 psi and
21000 psi at test pressure?
Carbon steel components in low allow piping systems - ANSHistorically, material
non-conformances with the greatest number of serious consequences have involved:
The original construction code - ANSAccording to API-574, what is not required to be used
for a number or coding system identification?
0.0052" per year - ANSWhat is the corrosion rate for an examination point that had a
thickness measurement of 0.512", at the time of installation, on May 18, 2005 and had an
actual thickness of 0.486" on May 18, 2010?
Examiners do not have to be an API-570 authorized inspector. - ANSAccording to API- with
regard to examiners, what do the NOT need to be certified as?
Proof that the IQI and density are within the limits of the code - ANSWhat provides
acceptable evidence tat a radio graphic examination technique is in accordance with ASME
V?
API 570 classification - ANSWhat is not required to be considered when specifying piping for
original installation?
It extends through the nut so it is no more than one thread short - ANSA bolt can be
considered fully engaged provided:
1.25" - ANSWhat is the maximum base metal thickness qualified for a SMAW welding
procedure specification if the test coupon thickness was 5/8"
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