NEW MARK'S API 510 STUDY GUIDE QUESTIONS WITH ACTUAL ANSWERS 2025 ALREADY VERIFIED BY EXPERTS (300 QUESTIONS WITH ANSWERS)

NEW MARK'S API 510 STUDY GUIDE
QUESTIONS WITH ACTUAL
ANSWERS 2025 ALREADY VERIFIED
BY EXPERTS (300 QUESTIONS WITH
ANSWERS)
Which of the following activities is NOT included in the scope of API 510?
- A) rerating a vessel
- B) Operating a vessel.
- C) replacing a vessel head
- D) internally inspecting a vessel - CORRECT ANSWER>>>>B

Which of the following activities is NOT included in the scope of API 510?
- A) setting relief device intervals
- B) performing vessel alterations
- C) Performing vessel fabrication
- D) performing vessel maintenance - CORRECT ANSWER>>>>C

Which of the following equipment types is NOT covered by API 510?
a) Heats exchanger
b) Safety relief valve
c) Distillation column
d) Process heater (furnace) - CORRECT ANSWER>>>>D

API 510 can be used:
a) only by refining industries
b) only by chemicals
c) only by petrochemical industries
d) By petro-chemical facilities and other industry. - CORRECT ANSWER>>>>D

API 510 takes effect:
a) During the design stage of the vessel construction.
b) During the fabrication stage of the vessel construction.
c) Once the fabrication hydro or pneumatic test is completed
d) Once the nameplate is attached
e) Once the vessel is placed in service.
f) Once the vessel has an operation problem - CORRECT ANSWER>>>>E

API 510 covers vessels constructed to which fabrication code(s)?
a) only ASME B&PV Sect.VIII
b) only ASME & PV Sect.VIII and the API / ASME code for Unfired Pressure Vessels
c) ASME B&PV Sect.VIII and other current codes


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,d) Any fabrication code. - CORRECT ANSWER>>>>D

When does API 510 stop applying to vessels?
a) In-service but have proven they do not corrode
b) In-service and the corrosion rate is less than 0.005 ipy
c) Out of service, but stored for a future service
d) Retired and abandoned
e) Retired, removed and scrapped - CORRECT ANSWER>>>>D

During repairs & alterations most of the code requirements come from:
a) API 510
b) ASME SECTION VIII
c) ASME Section VIII or the construction code.
d) The construction code - CORRECT ANSWER>>>>C

During a vessel repair, if there is a conflict between the requirements of API 510 and the
construction code which should be followed?
a) API 510
b) The construction code
c) Either code based on the Inspector's recommendation
d) The code with the most stringent requirements - CORRECT ANSWER>>>>A

During a vessel alteration, if there is a conflict between the requirements of API 510 and the
construction code which should be followed?
a) API 510
b) The construction code
c) Either code based on the Inspector's recommendation
d) The code with the most stringent requirements - CORRECT ANSWER>>>>A

Companies that use API 510 must:
a) Employ an authorized inspection agency
b) Have access to an authorized inspection agency
c) Either employ or have access to an authorized inspection agency.
d) Employee professional engineers
e) Pay all API 510 contract inspectors $62.50 / hr - CORRECT ANSWER>>>>C

Which of the following individuals must be directly employed by the Owner?
a) Authorized Inspector
b) Examiner
c) Pressure Vessel Engineer
d) Repair Organization
e) No one - all can be contracted personnel. - CORRECT ANSWER>>>>E

Who is responsible for responding to inspection results that require corrective action?
a) Engineer
b) Maintenance Department

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,c) Owner / User
d) Pressure Equipment Specialist - CORRECT ANSWER>>>>C

An in-service vessel is being repaired or altered. If there is a conflict between the requirements
of API 510 and the legal jurisdiction, which should be followed?
a) API 510
b) The Legal Jurisdiction
c) The one with the most stringent requirements.
d) Either set of the requirements based on Engineer and AI approval - CORRECT
ANSWER>>>>C

An in-service vessel is inspected. If there is a conflict between API 510 and the legal jurisdiction,
which should be followed?
a) API 510
b) The Legal Jurisdiction
c) The one with the most stringent requirements
d) Either set of the requirements based on Engineer and AI approval - CORRECT
ANSWER>>>>C

Which of the following vessels, that may be exempted from API 510, should be considered for
inclusion in the Owner/User's API 510 program?
a) 140' Low Pressure Storage Tank
b) Oil Mist Accumulator
c) Small Filter
d) Vacuum Flasher - CORRECT ANSWER>>>>D

Which code is used for Fitness for Service evaluations?
a) API 579
b) API 660
c) API 2201
d) ASME B&PV Section V - CORRECT ANSWER>>>>A

Which code is used for RBI assessments?
a) API 573
b) API 579
c) API 580
d) API 2201 - CORRECT ANSWER>>>>C

During an in-service internal inspection, a crack is discovered on a longitudinal weld. This crack
can be evaluated to which industry document?
a) API 510
b) API 579
c) ASME B&PV Section VI
d) Cracks are never allowed in an in-service vessel. - CORRECT ANSWER>>>>B

Which document provides requirements for Hot Tapping?

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, a) API 578
b) API 579
c) API 651
d) API 2201
e) API 2217 - CORRECT ANSWER>>>>D

Which document provides information on Damage Mechanisms in the Refining Industry?
a) API 570
b) API 571.
c) API 577
d) ASME Section V
e) ASME Section XI - CORRECT ANSWER>>>>B

Which document provides information on Corrosion Under Insulation and Fireproofing?
a) API 571
b) API 581
c) API 583.
d) ASME B16.5
e) NACE SP1488 - CORRECT ANSWER>>>>C

Which document provides information on repair of Pressure Equipment & Piping?
a) API 581
b) API 584
c) API 598
d) ASME PCC-2 - CORRECT ANSWER>>>>D

Which document provides information on Integrity Operating Windows?
a) API 584
b) API 585
c) API 2201
d) ASME PCC-1
e) ASME Section III - CORRECT ANSWER>>>>A

Which document provides information on Material Identification of Alloy Materials?
a) API 578
b) API 584
c) API 598
d) ASME PCC-1
e) NACE SP0170 - CORRECT ANSWER>>>>A

Which document provides information on protecting Austenitic Alloys from Polythionic Acid
Stress Corrosion Cracking?
a) API 583
b) API 584
c) NACE SPO170
d) WRC Bulletin 412 - CORRECT ANSWER>>>>C

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