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API 653 preparation Exam Questions and Answers 100% Pass

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API 653 preparation Exam Questions and Answers 100% Pass Owner API 653 1.2 - Overall responsibility for compliance with API 653? Engineer API 653 4.3.1.2 - Responsibility - evaluate deterioration of existing shell material? Steel storage tanks built to API 650 and its predecessor API 12c (API ...

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  • January 10, 2025
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  • 2024/2025
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EmilyCharlene
API 653 preparation Exam
Questions and Answers 100% Pass

Owner API 653 1.2 - ✔✔Overall responsibility for compliance with API 653?


Engineer API 653 4.3.1.2 - ✔✔Responsibility - evaluate deterioration of existing shell

material?


Steel storage tanks built to API 650 and its predecessor API 12c (API 653 1.1.1) -

✔✔What does api 653 cover?


Minimum requirements for maintaining the integrity of tanks after they have been

placed in service and addresses inspection, repair, alteration, relocation and

reconstruction (api 653 1.1.1) - ✔✔What does api 653 provide?


Tank foundation, bottom shell, structure, roof, attached appurtenances and nozzles to

the face of first flange, first threaded joint or first welding-end connection (api 653 1.1.2)

- ✔✔What is the scope of api 653 limited to?


API 653 shall govern for tanks that have been placed into service (api 653 1.1.2) - ✔✔In

the case of conflict between api 653 and api 650 or it's predecessor api 12c. Which shall

govern?




EMILY CHARLENE © 2025, ALL RIGHTS RESERVED 1

,Rules or guidelines to cover all the varied conditions which may occur in an existing

tank api 653 1.1.5 - ✔✔API 653 does not contain?


The regulations shall govern, however if api 653 is more stringent then api 653 shall

govern (api 653 1.3) - ✔✔If any provision of api 653 presents a direct or implied conflict

with any statutory regulations, which would govern?


API 2015, 2016 and api 2217a - ✔✔Where can you find guidelines to safeguard

personnel, prevention of fires, explosions and property damage


Except in areas specifically designated as safe for hot work, a hot work permit shall be

obtained before starting any work that can involve a source of ignition - ✔✔What does

api 2009 state in relation to hot work?


API 2009 appendix B - ✔✔Where can you find brief information on inerting tanks?


Fitness for service - ✔✔API RP 579-1 is?


ASNT SNT-TC-1A - ✔✔Personnel qualified and certified in NDE?


API RP 2201 - ✔✔Safe hot tapping practices in petroleum industries is?


For design and construction of large, welded low pressure storage tanks - ✔✔API

standard 620 is?


Any work on a tank that changes its physical dimensions or configuration - ✔✔Define

an alteration in accordance with api 653?




EMILY CHARLENE © 2025, ALL RIGHTS RESERVED 2

,Standard that was in effect at the date of the installation of the component - ✔✔The AS

built standard is the?


The AS built standard only for those repairs or alterations - ✔✔The standard used for

repairs or alterations made after original construction is?


1. Organisation of the jurisdiction where tank is operated


2. Inspection organisation of the licensed and registered insurance company


3. Owner/Operator - ✔✔Name 3 authorised inspection organisations


An employee of an authorised inspection agency who is qualified and certified to

perform inspections under API 653 - ✔✔Define authorised inspector


A change from previous operating conditions involving different properties of the

stored product such as, specific gravity or corrosivity and/or different service

conditions of temperature and/or pressure - ✔✔What is a change in service


The total metal loss, divided by the period of time over which the metal loss occurred -

✔✔Define corrosion rate


The portion of the tank bottom or plate within 3" of the inside edge of the shell -

✔✔What is the tank critical zone?


A formal, complete inspection as supervised by an authorised inspector of all accessible

internal tank surfaces - ✔✔Define internal inspection




EMILY CHARLENE © 2025, ALL RIGHTS RESERVED 3

, 1. Installing a shell penetration larger than 12" beneath the liquid level


2. Installing a bottom penetration within 12" of the shell


3. Removing and replacing or adding a shell plate, exceeding 12" dimension


4. Removing or replacing annular ring material, exceeding 12"


5. Installing a new bottom


6. Jacking a tank shell - ✔✔What does a major alteration or repair include


The legal entity having both control of and/or responsibility for the operation and

maintenance of an existing storage tank - ✔✔Define owner/operator


Work necessary to maintain or restore a tank to a condition suitable for safe operation -

✔✔Define repair


When the results of a tank inspection show that a change has occurred from the original

physical condition - ✔✔When shall an evaluation be made to determine a tanks

suitability for use


1. Internal corrosion


2. External corrosion


3. Stress levels and allowable stress levels


4. Properties of the stored product such as specific gravity, temperature and corrosivity


5. Design temperature and service location




EMILY CHARLENE © 2025, ALL RIGHTS RESERVED 4

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