1. Nondestructive examination procedures, qualifications, and acceptance criteria is
required for VT, MT, UT, PT, and RT methods and must be in accordance with what Code or Standard?
a) ASME Code Section V, Nondestructive examination b) API Standard 650 only
c) API Standard 650 and the supplements given in API-653 d) Owner/operator’s specifications
Reference: API-653, Paragraph 10.1.1.1
2. Personnel performing nondestructive examination shall be qualified in accordance with _____.
a) API Standard 650 and the supplemental requirements of API-653 b) ASME Code Section V, Nondestructive Examination
c) SNT-TC-1A
d) The owner/operator’s specifications Reference: API-653, Paragraph 10.1.1.2
3. When it is necessary to install a hot tap connection or add a reinforcing plate to an existing un-reinforced penetration, API 653 requires what type, extent, and purpose of examination.
a) Magnetic particle examination for slight sub-surface discontinuities shall be performed in an area equal to twice the diameter of the opening
b) Radiographic examination for cracking shall be performed in the immediate area c) Ultrasonic examination for cracking shall be performed in the immediate area d) Ultrasonic examination for lamination shall be performed in the immediate area Reference: API-653, Paragraph 10.1.2.1
4. Completed welds attaching nozzle neck to shell, and reinforcing plate to shell and nozzle neck, shall be examined by _______.
a) Ultrasonic or Radiography
b) Magnetic Particle or Liquid Penetrant c) Visual examination or Liquid Penetrant d) Ultrasonic or Magnetic Particle
5. How and when does API Standard 653 require the examination of welds of completed stress relieved assemblies?
a) Completed welds of stress relieved assemblies shall be examined visually only after stress relief and hydrostatic test
b) Completed welds of stress relieved assemblies shall be examined visually as well as by ultrasonic methods after stress relief but before hydrostatic test
c) Completed welds of stress relieved assemblies shall be examined visually as well as by magnetic particle or liquid penetrant methods after stress relief but before hydrostatic test d) Completed welds of stress relieved assemblies shall be examined visually or by
radiography after stress relief but before hydrostatic test Reference: API-653, Paragraph 10.1.2.4
6. Completed butt welds between insert plates and the shell require what type and extent of examination?
a) Complete radiography b) Spot Radiography c) Random Radiography d) Random Spot Radiography Reference: API-653, Paragraph 10.1.2.5
7. In repairing butt weld flaws, what type and extent of examination is required by API-653? a) Random examination by radiography or ultrasonic methods of the full length of repair b) Examined full length of the repair by liquid penetrant or magnetic particle methods c) Examined at three foot intervals by radiography or ultrasonic methods
d) Examined full length of the repair by radiography or ultrasonic methods Reference: API-653, Paragraph 10.1.3.2
8. Completed repairs of fillet welds shall be examined over their full length by the appropriate nondestructive method listed in API-653.
a) True b) False
Reference: API-653, Paragraph 10.1.3.3
9. With regards to new welds attaching shell plate to shell plate, what method(s) of examination is/are required on the completed weld?
a) Visual
b) Visual and Radiography
c) Visual and magnetic particle or liquid penetrant d) Visual and ultrasonic
10. With regards to new welds attaching shell plate to shell plate for plate thickness greater than one inch, what additional extent and method of examination is required by API-653?
a) The back gouged surface of the root and final pass (each side) shall be examined for its complete length by the Inspector
b) The back gouged surface of the root and final pass (each side) shall be examined for its complete length visually
c) The back gouged surface of the root and final pass (each side) shall be examined for its complete length by magnetic particle or liquid penetrant
d) The back gouged surface of the root and final pass (each side) shall be examined for its complete length by ultrasonic
Reference: API-653, Paragraph 10.1.5
11. New welding on the shell-to-bottom joint shall be inspected for its entire length by _____ and _______ or ________.
a) Visual examination, liquid penetrant , magnetic particle b) Right-angle vacuum box and solution film, light diesel oil c) Visual examination, ultrasonic, eddy current
d) Visual examination, wet fluorescent magnetic particle, helium tracer gas Reference: API-653, Paragraph 10.1.6.1
12. In applying light diesel oil to the opposite side of the first pass of new shell-to-bottom joints, how long must the oil remain on the weld and what is the weld inspected for?
a) The oil shall be allowed to stand at least four hours and the weld inspected for wicking action
b) The oil shall be allowed to stand at least three hours and the weld inspected for wicking action
c) The oil shall be allowed to stand at least two hours and the weld inspected for wicking action
d) The oil shall be allowed to stand at least one hour and the weld inspected for wicking action
Reference: API-653, Paragraph 10.1.6.2
13. The existing weld at the shell-to-bottom joint shall be examined visually and magnetic particle or liquid penetrant methods, for the full length under a welded-on patch plate. How much additional shell-to-bottom joint must be examined?
a) Three inches on each side of the patch plate b) Six inches on each side of the patch plate c) nine inches on each side of the patch plate d) twelve inches on each side of the patch plate Reference: API-653, Paragraph 10.1.6.2
14. How and to what extent are newly welded bottom joints tested?
a) Newly welded bottom joints shall be tested their entire length using liquid penetrant
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 and ultrasonic examination
d) Newly welded bottom joints shall be tested their entire length using wet fluorescent magnetic particle examination
Reference: API-653, Paragraph 10.1.7.1
15. What are the requirements, regarding examination, of a welded-on patch plate in the critical zone?
a) The final weld shall be examined by radiography over its entire length b) Root and final pass shall be examined by radiography over its entire length c) The root and final pass shall be examined visually over its entire length
d) The root and final pass shall be examined visually and by magnetic particle of liquid penetrant method over its entire length
Reference: API-653, Paragraph 10.1.7.3
16. API-653 requires the number and location of radiographs to in accordance with API-650. In addition, API-653 requires how many and what location for new or repaired shell vertical joints?
a) For new or repaired shell vertical joints one radiograph shall be taken in each fifty foot length
b) For new or repaired shell vertical joints one radiograph shall be taken in each twenty-five foot length
c) For new or repaired shell vertical joints one radiograph shall be taken in every joint
d) For new or repaired shell vertical joints one radiograph shall be taken in every other joint
17. API-653 requires the number and location of radiographs to in accordance with API-650. In addition, API-653 requires how many and what location for new or repaired shell horizontal joints?
a) For new or repaired shell horizontal joints one radiograph shall be taken in each twenty-five feet of horizontal joint including those required at intersections of vertical and horizontal joints
b) For new or repaired shell horizontal joints one radiograph shall be taken in each twenty-five feet of horizontal joint not including those required at intersections of vertical and horizontal joints
c) For new or repaired shell horizontal joints one radiograph shall be taken in each fifty feet of horizontal joint including those required at intersections of vertical and horizontal joints
d) For new or repaired shell horizontal joints one radiograph shall be taken in each fifty feet of horizontal joint not including those required at intersections of vertical and horizontal joints
Reference: API-653, Paragraph 10.2.1.2
18. API-653 requires two radiographs to be taken at each new or replacement intersection between vertical and horizontal joints. One to comply with the requirement for vertical joints and one to comply with the requirements for horizontal joints.
a) True b) False
Reference: API-653, Paragraph 10.2.1.3
19. For reconstructed tanks, each butt-welded annular plate joint shall be radiographed in accordance with which of the following?
a) API-650
b) ASME - Section V c) API-653 and API-575
d) Owner/operator's specifications Reference: API-653, Paragraph 10.2.1.4
20. For reconstructed tanks, radiographic examination is required for what percentage of all junctions of new welds over existing seams?
a) 100% b) 75% c) 50% d) 25%
21. Radiographic examination is required for new and replaced shell insert plate and door shell welds. What are the minimum number and location of such radiographs?
a) Circular plates - four radiographs are required, one at each quadrant
b) Square or rectangular - two radiographs are required in each vertical joint and one in a horizontal joint
c) Circular plates - one radiograph and for square or rectangular - one in a vertical joint, one in a horizontal joint, and one in each corner
d) Circular and square of rectangular new or replaced insert plates require 100% examination
Reference: API-653, Paragraph 10.2.1.6
22. What is the minimum diagnostic length of each radiograph?
a) The minimum diagnostic length of each radiograph shall be six inches b) The minimum diagnostic length of each radiograph shall be three inches c) The minimum diagnostic length of each radiograph shall be nine inches d) The minimum diagnostic length of each radiograph shall be twelve inches Reference: API-653, Paragraph 10.2.1.7
23. If the radiograph of an intersection between a new and old weld discloses discontinuities, which are unacceptable by current standards, what must be done?
a) The unacceptable welds must be removed and made in accordance with current standards
b) The unacceptable welds shall be repaired to bring them in to compliance c) The existing welds may be evaluated according to the original standard of
construction
d) The existing welds shall be evaluated using the acceptance criteria of ASME Section VIII
Reference: API-653, Paragraph 10.2.2
24. Radiographs and radiograph records of all repaired welds shall be marked with what letter(s)?
a) "RW" (Repaired Weld) b) "WR" (Weld Repair) c) "A" (Accepted repair) d) "R"
Reference: API-653, Paragraph 10.2.3.2
25. Hydrostatic testing is required for reconstructed tanks and tanks that have undergone major repairs or alterations. What is the minimum length of time the hydrostatic test must be held?
a) The time is up to the discretion of the Inspector b) Twenty-four hours
c) The time is up to the discretion of the owner/operator d) Twelve hours
26. Major repair and major alteration is defined by API-653 by which of the following? a) Cutting, addition, removal and/or replacement of the annular plate ring only if the
plate is less than 1/2" thick
b) Cutting, addition, removal an/or replacement of the annular plate ring, the shell- to-bottom weld, or a sizeable portion of the shell
c) Cutting, addition, removal an/or replacement of the annular plate ring, the shell- to-bottom weld, or a 100 square inch portion of the shell
d) Cutting, addition, removal an/or replacement of the annular plate ring, the shell- to-bottom weld, or a sizeable portion of the shell in shell material greater than 3/4" thick
Reference: API-653, Paragraph 10.3.1.2
27. Of the following, which would not be considered a major repair or alteration? a) The installation of a shell penetration NPS 12 above the design liquid level b) The installation of a shell penetration NPS 12 below the design liquid level c) Jacking of a tank shell
d) The complete of partial removal and replacement of more than 12 inches of vertical weld joining shell plates, or radial weld joining the annular plate ring Reference: API-653, Paragraph 10.3.1.2
28. A full hydrostatic test of the tank is not required for major repairs and alterations when certain conditions are met. Where would you look for these conditions?
a) API-650 Paragraph 5.3.6 b) API-RP-575 Paragraph 7.5 c) API-510 Paragraph 6.4 d) API-653 Paragraph 10.3.2 Reference: API-653, Paragraph 10.3.2.1
29. Hydrostatic testing is not required for shell repairs when all but which of the following are complied with?
a) Impact test requirements shall follow appropriate portions of API-650 and must be specified in the repair procedure
b) New vertical and horizontal shell butt-welds must have complete penetration and fusion c) New materials shall meet the current edition of ASME Section II Part A
d) Finished weld must be examined by radiography Reference: API-653, Paragraph 10.3.22
30. If the owner/operator elects to utilize a fitness-for-service evaluation to exempt a repair form hydrostatic testing, who perform the evaluation?
a) Fitness-for-service evaluations may not be used to exempt hydrostatic testing following a repair
b) The Authorized Inspector
c) Engineer experienced in storage tank design and the evaluation methods used d) Exemption of hydrostatic testing for repairs can only be given by the jurisdiction Reference: API-653, Paragraph 10.3.2.6
31. When settlement is anticipated, a tank that is to be hydrostatically tested shall: a) Have the plumbness checked
b) Have the water tested to ensure it is potable c) Have the perimeter dike system checked d) Have the foundation checked for settlement Reference: API-653, Paragraph 10.5.1.1
32. The tank settlement shall initially be surveyed with the tank empty. What is the minimum number of settlement measurement points for a tank which is 110 feet in diameter?
a) Minimum number of settlement points is 11 b) Minimum number of settlement points is 32 c) Minimum number of settlement points is 8 d) Minimum number of settlement points is 12 Reference: API-653, Paragraph 10.5.1.2
33. The tank settlement shall initially be surveyed with the tank empty. What is the minimum number of settlement measurement points for a tank which is 60 feet in diameter?
a) Minimum number of settlement points is 12 b) Minimum number of settlement points is 6 c) Minimum number of settlement points is 8 d) Minimum number of settlement points is 4 Reference: API-653, Paragraph 10.5.1.2
34. Regardless of the minimum number of settlement measurement points required, what is the maximum spacing between settlement measurement points?
a) 24 feet b) 32 feet c) 36 feet d) 40 feet
Reference: API-653, Paragraph 10.5.1.2 35. When shall settlement be measured?
a) Settlement shall be measured after the water reaches 100% of test level and again when the tank is emptied
b) Settlement shall be measured during filling and when the water reaches 80% of test level
c) Settlement shall be measured during filling and when the water reaches 100% of test level
d) Settlement shall be measured during filling and when the water reaches 100% of test level and during emptying of the tank