API 653 Exam Prep Closed book ONLY (API 653 exam Test questions - closed book) 2024 Questions With Solved Ans.
API 653 defines a "Storage tank engineer" as:
A) A registered professional engineer in structural steel fabrication
B) Person or organization who is knowledgeable and experienced in the engineering disciplines associated with evaluating the integrity and reliability of aboveground storage tanks
C) the engineering department of a contractor who makes repairs to aboveground storage tanks
D) A professional engineer who is also an authorized API 653 inspector Answer- B
Similar service is means of estimating corrosion rates that:
A) Is Seldom used as a means of scheduling internal inspection intervals
B) Ignores environmental factors in the determination of corrosion rates
C) May be used in addition to or in lieu of actual measurement of corrosion rates
D) Is generally considered as the best methodology for establishing the inspection intervals Answer- C
Controlled Deposition welding methods, in lieu of PWHT, is limited to:
A) P-1 materials
B) P-1 and P-3 Materials only
C) P-1, P3, and P4 materials only
D) P-5A materials Answer- C
Inspection hold points, for tank reconstruction, shall be designated by:
A) The authorized inspector
B) An engineer experienced in storage tank design
C) Agreement between tank owner/user and reconstruction contractor
D) Agreement between and engineer and the authorized Answer- A
All repair and alteration work shall be approved at all designated hold points and after completion:
A) Need not be approved if approved will delay work progress
B) By the repair organization of the repairs were done according to the specified repair and/or alteration procedures
C) By the authorized inspector or experienced storage tank engineer
D) By the authorized inspector only Answer- C Alterations to storage tanks, which comply with API 650, must be authorized by:
A) The owner/user
B) The storage tank engineer
C) The authorized inspector
D) The repair organization Answer- B
A record of non-essential variables used during welding of the test coupon is:
A) Optional on the PQR
B) Optional on the WPS
C) Required on the PQR
D) Required on the WPQ Answer- A
Cracks is the shell to bottom weld:
A) Shall be evaluated per the "As built" Standard
B) Shall be removed
C) Shall be evaluated on a case by case basis
D) Shall be evaluated per API 579 Answer- B
What welding process is most widely used in the repair of process equipment?
A) GMAW
B) GTAW
C) SMAW
D) FCAW Answer- C
The owner has decided to install a new bottom in an AST. The new bottom will be installed through existing tombstone reinforcing plates. One Method is to remove the lower portion of the reinforcing plate. After the new or replaced section is installed, the splice weld shall:
A) Visually examined only
B) Magnetic particle examined only
C) Liquid penetrate examined only
D) Ultrasonic shear wave examined only Answer- B
Which of the following is an advantage of thick film reinforced tank bottom lining?
A) easier to apply than thin film
B) initial cost is typically less than thin film
C) Provides greater resistance to moisture ingress permeation
D) Generally more accurate MFL floor scans Answer- C
The purpose of reviewing the welder performance qualification (WPQ) is to:
A) Verify that welder are qualified to perform the welding given its position and process
B) Verify that welds made in compliance with the WPS meet requirements
C) Verify that the welding procedure specification can produce quality welds
D) Verify that welders are qualified to perform the welding, including all essential and
nonessential variables Answer- A
The recommended type of internal floating roof is the:
A) Double Deck
B) Annular pontoon C) Pan type
D) Single steel deck Answer- B
API Publication 2201 on hot tapping and in-service welding covers:
A) Welding requirements
B) technical aspects
C) Inspection requirements
D) Safety aspects Answer- D
A repair is completed on a nozzle that was originally postweld heat treated(PWHT). It
has been determined that PWHT, of the repair, is inadvisable. Who is required to conduct a metallurgical review prior to applying one of the alternative methods permitted in API 653?
A) A professional engineer registered in one or more states or provinces of Canada
B) A Storage tank engineer
C) The Authorized inspector responsible for the repair inspection
D) A Metallurgical engineer experienced in alternative PWHT Answer- B
What is another term used for "Stray currents"?
A) Short circuits
B) Positive currents
C) Impressed Currents
D) Interface currents Answer- D
Thick-film linings are commonly reinforced with which of the following?
A) Sand and small diameter gravel
B) Copper wire, Stainless steel wire, and low alloy steel mesh fabric
C)Chopped PVC piping, copped ABS Piping and resin beads
D) Woven glass mat, chopped glass fibers, and organic fibers Answer- D
How and to what extent are new welds for tank bottom plates required to be examined?
A) Newly welded bottom joints shall be tested their entire length using liquid penetrate
B) Newly welded bottom joints shall be tested their entire length using a vacuum box and a solution film, or a tracer gas and detector
C) Newly welded bottom joints shall be tested their entire length using visual examination
D)Newly welded bottom joints shall be tested their entire length using wet fluorescent
magnetic particle examination Answer- B
According to API 653, no welding is permitted when the temperature of the base metal is below what value?
A) Base metal temperature below -20 F
B) Base metal temperature below 0 F
C) Base metal temperature below 20 F
D) Base metal temperature below 30 F Answer- B
IF an AST is fabricated of material of unknown toughness and meets the thickness and temperature exemption curve of API 653, the storage tank engineer must concur, in writing, with the alternative weld method in lieu of PWHT. Who is required to authorize the alternative and how must this be accomplished?
A) The owner/operator in writing
B) The Owner/operator verbally
C) The Authorized Inspecor in writing
D) The Authorized Inspector verbally Answer- A
When must an evaluation, to determine the suitability for continued use, be conducted?
A) Evaluations shall be conducted when a tank inspection reveals a change has occurred from the original physical condition of a tank.
B) Evaluations shall be conducted at least annually
C) Evaluations shall be conducted at an interval not to exceed the calculated tank inspection frequency
D) Evaluations shall be conducted once each ten years of service Answer- A
Inspection Hold points and minimum documentation to be submitted upon job completion for repairs and alterations will be designated by the:
A) Owner/User's engineering department
B) Repair organization
C) authorized inspector
D) Storage tank inspector Answer- C
In a SMAW electrode, the "1" refers to:
A) Electrode type
B) Coating characteristics
C) Chemical composition
D) Welding position Answer- D
NDE is defined as those inspection methods which allow materials to be examined:
A) without damaging the component
B) As an adjunct to visual examination
C) without changing or destroying their usefulness
D) Without using any mechanical force Answer- C
If the date of the installation of a component is unknown, which standard shall be considered as the "as-built" standard?
A)1958 edition of API 12C
B) the latest edition of API 650 C) The current applicable standard
D) The latest edition of UL Standard Answer- C
The deterioration of metals exposed to soils is referred to as:
A) Moisture corrosion
B) soil resistivity
C) Soil Corrosion
D) Galvanic corrosion Answer- C
The preheating method alternative to PWHT is limited to:
A) P-1 materials that are required to be impact tested
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