API 570 practice test ACTUAL Questions
and CORRECT Answers
Document any systems containing tell-tale holes. - CORRECT ANSWER- ✔✔The 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) - CORRECT ANSWER- ✔✔The 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. - CORRECT ANSWER- ✔✔According 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 - CORRECT ANSWER- ✔✔All environmental cracking found during
in-service inspections should be evaluated by:
Temperature - CORRECT ANSWER- ✔✔According to B16.5, which of the following is not
required to be marked on a flange?
Class 2 - CORRECT ANSWER- ✔✔A 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 - CORRECT ANSWER- ✔✔Which 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. - CORRECT ANSWER-
✔✔Inspection 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 - CORRECT
ANSWER- ✔✔According to ASME Section IX, which of the following must be on every
proceeded qualification record (PQR)?
Owner/user's experience with similar service - CORRECT ANSWER- ✔✔How is the first
thickness measurement interval established for newly installed piping systems or systems that
have had a change of service?
Internal Inspection - CORRECT ANSWER- ✔✔When 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 - CORRECT ANSWER- ✔✔Fasteners 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 - CORRECT ANSWER- ✔✔Unless
otherwise specified in API-570, NDE of repair or alteration welds shall be in accordance
with:
The owner/user - CORRECT ANSWER- ✔✔The 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 - CORRECT ANSWER-
✔✔Certification 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. - CORRECT ANSWER-
✔✔Which of the following would be used to determine the amount and frequency of valve
inspection in a piping system?
and CORRECT Answers
Document any systems containing tell-tale holes. - CORRECT ANSWER- ✔✔The 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) - CORRECT ANSWER- ✔✔The 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. - CORRECT ANSWER- ✔✔According 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 - CORRECT ANSWER- ✔✔All environmental cracking found during
in-service inspections should be evaluated by:
Temperature - CORRECT ANSWER- ✔✔According to B16.5, which of the following is not
required to be marked on a flange?
Class 2 - CORRECT ANSWER- ✔✔A 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 - CORRECT ANSWER- ✔✔Which 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. - CORRECT ANSWER-
✔✔Inspection 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 - CORRECT
ANSWER- ✔✔According to ASME Section IX, which of the following must be on every
proceeded qualification record (PQR)?
Owner/user's experience with similar service - CORRECT ANSWER- ✔✔How is the first
thickness measurement interval established for newly installed piping systems or systems that
have had a change of service?
Internal Inspection - CORRECT ANSWER- ✔✔When 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 - CORRECT ANSWER- ✔✔Fasteners 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 - CORRECT ANSWER- ✔✔Unless
otherwise specified in API-570, NDE of repair or alteration welds shall be in accordance
with:
The owner/user - CORRECT ANSWER- ✔✔The 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 - CORRECT ANSWER-
✔✔Certification 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. - CORRECT ANSWER-
✔✔Which of the following would be used to determine the amount and frequency of valve
inspection in a piping system?
