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API-510 Practice Exam #5 - Open Book

1. The generic electrode identification system for SMAW welding is: a) b) c) d)

EXXT-X. ERXXS-X. EXXXX. FXXX-EXXX.

2. During failure analysis of a heat exchanger tube (ASTM A249, Type 304) in a service with a sulfur bearing stream, the engineer notes that the maintenance department failed to neutralize the tube bundle prior to pulling it, and that the bundle leaked during a hydrostatic pressure test. The failure mechanism is inter-granular cracking. What is the most likely cause of the failure? a) b) c) d)

hydrochloric acid. amines. naphthenic acids. polythionic acids.

3. If non-normalized SA-516 Gr 60 material is used for fabricating a pressure vessel with a nominal wall thickness of 1.125 inches (28.6 mm), for what minimum design metal temperature can the vessel be stamped without impact testing? a) b) c) d)

-26ºF (-32°C) 2°F (-17°C) 37°F (3°C) 75°F (24ºC)

4. A pressure vessel is designed for 350 psig at 500°F. Which of the following is the permissible opening pressure range for a single safety relief valve? a) b) c) d)

339.5 - 350 psig 339.5 - 360.5 psig 343 - 350 psig 343 - 357 psig

5. A welding procedure specification for welding SA-516 Gr 70 material was qualified using an E7018 electrode. Which of the following is the correct “F” number for this electrode? a) b) c) d)

1 2 3 4

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API-510 Practice Exam #5 - Open Book

6. During the visual inspection of an ellipsoidal head on an 8-foot ID pressure vessel, an isolated corroded area was located 2.5 feet from the center of the head. Governing thickness would be determined by using the code formula for: a) b) c) d)

spherical shells. a cylinder under internal pressure. the knuckle region of an ellipsoidal head. an ellipsoidal head.

7. The corrosion rate of a pressure vessel has been established to be less than 0.004 inch per year (0.10 mm/year), based on 5 years of service experience. All of the following requirements must be satisfied for an on-stream inspection to be performed in lieu of an internal inspection, except that: a) b) c) d)

the vessel must not be strip-lined or plate-lined. no questionable condition is disclosed by periodic external inspections. the vessel will not be operated in excess of 500 psig (3.42 MPa) or 500°F (260°C). the operating temperature of the vessel must not exceed the lower temperature limits for the creep-rupture range of the vessel material.

8. What is an alternative method for establishing a required inspection interval based on remaining life? a) Performing a complete external inspection b) Calculating the projected maximum allowable working pressure of each vessel component c) Calculating the projected maximum allowable working pressure of the shell and heads d) Using statistical analysis to evaluate the data

9. A weld overlay is done for a repair on a vessel fabricated from P-5 material. The next day, the base metal in the repair area should be examined for cracking by which type of examination? a) b) c) d)

Ultrasonic Radiographic Liquid penetrant Magnetic particle

10. An appropriate cleaning method for surface preparation when inspecting a vessel for a wet sulfide attack is: a) b) c) d)

steaming by the vessel operators followed by scraping using hand tools. steaming and hot-water washing by the vessel operators. hot-water washing by the vessel operators followed by brushing. steaming or hot-water washing by the vessel operators followed by abrasive-grit blasting.

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API-510 Practice Exam #5 - Open Book

11. A pressure vessel constructed from low-alloy steel is operating in a high-temperature sulfidation service. Which statement about inspection for determination of thinning is correct? a) b) c) d)

Visual inspection for hot spots should be performed. No thickness measurement locations (CMLs) are required. WFM testing is an effective method. External ultrasonic thickness measurements should be taken.

12. A vessel made of 2-inch-thick SA-302-B material has localized corrosion to below its retirement thickness and needs weld metal buildup. Which of the following methods can be used to avoid postweld heat treatment (PWHT)? a) b) c) d)

Automated-deposition welding Controlled-deposition welding PWHT is required regardless Preheat method

13. A vessel nozzle has an opening diameter of 10 inches (254 mm), and a nominal thickness tn of 0.375 inch (9.5 mm). The vessel shell has a required thickness tr of 0.75 inch (19.1 mm) and a nominal thickness tn of 0.850 inch (21.6 mm). Both the nozzle and the vessel materials are the same, and there is no corrosion allowance on this nozzle. What is the required area of reinforcement? a) b) c) d)

7.50 square inches (4851 mm2) 8.06 square inches (5200 mm2) 8.50 square inches (5486 mm2) 11.25 square inches (7258 mm2)

14. How long should a simple beam-impact test specimen be? a) b) c) d)

2.063 inches (52 mm) 2.125 inches (54 mm) 2.165 inches (55 mm) 2.250 inches (56 mm)

15. A pressure-relief valve has a set pressure of 400 psi (2.76 MPa). This valve is tested for accuracy of set pressure before it is installed. What is the maximum acceptable test pressure? a) b) c) d)

400 psi (2.76 MPa) 402 psi (2.77 MPa) 412 psi (2.84 MPa) 420 psi (2.89 MPa)

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API-510 Practice Exam #5 - Open Book

16. Upon cooling from temperatures of 750°F - 1000°F, normally ductile ferritic chrome steels in the 400 stainless-steel group (such as AISI Types 430, 446. and to some degree Types 405 and 410) have reduced toughness under about 200°F. This problem is commonly known as: a) b) c) d)

decarburization. 885’F embrittlement. graphitization. incipient melting.

17. A materials engineer is performing a failure analysis on an integral-finned heat exchanger tube made of 300 series stainless steel. The tube is from a reformer unit. The fins were coldworked and the tubes were not subsequently annealed. The tube leaked due to a circumferential crack. The cracking mode is noted to be trans-granular, branched cracking. Which of the following was most likely responsible for the failures? a) b) c) d)

Chloride-induced stress corrosion cracking Metal fatigue cracking Polythionic acid cracking Hydrogen-induced cracking

18. Gamma-ray radiography is used to perform inspection on a repair weld of a vessel that is 1.250 inches (31.8 mm) thick. The radiographer has access to both sides of the weld. The hole-type IQI (Penetrameter) is: a) b) c) d)

10. 20. 30. 35.

19. The inspector is reviewing radiographs of a repair weld of 1.250-inch (32 mm) plate for a vessel stamped RT-l. What is the maximum allowable continuous length of slag (elongated indication)? a) b) c) d)

0.3l2inch (8mm) 0.333 inch (8.5 mm) 0.417 inch (10.6 mm) 0.750 inch (19 mm)

20. A vessel with an inside diameter of 54 inches (137 cm) has a corroded area of considerable size in which circumferential stresses govern. Along the most critical element of the area, the smallest measured thickness may be averaged over a length no more than: a) b) c) d)

18 Inches (46 cm) 20 Inches (50 cm) 27 Inches (69 cm) 40 Inches (102 cm)

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API-510 Practice Exam #5 - Open Book

21. The following Charpy weld metal test results for a welding procedure qualification record are to be reviewed for acceptance: minimum yield strength of test coupon material = 45,000psi and thickness = 1 ½ inches. Which of the following test results, in foot pounds, would meet the minimum impact strength required by ASME Code, Section VIII, Division 1? a) b) c) d)

18, 11, 20 19, 9.5, 22 19, 10, 15 17, 11, 15

22. On occasion, it may be desirable to enter a pressure vessel before it has been properly cleaned to search for internal causes of poor operation. The inspector should exercise special precautions for such entry, as given in: a) b) c) d)

API Publication 2217A API Publication 2214 API Recommended Practice 579 OSHA 1910 regulations

23. During the repair of a pressure vessel, a seamless ellipsoidal head is replaced. The nameplate is stamped RT-2. The replacement head is attached using a single welded but joint with a backing strip that will be left in place. One welder performed the weld. What is the joint type for the head to shell weld? a) b) c) d)

1 2 3 4

24. 24. In Magnetic Particle testing using the prod technique, what type of current and what are the current ranges in amps/in., required by Section V, for materials ¾” or greater in thickness? a) Direct or alternating magnetizing current shall be used and 90 amp/in. (minimum) to 110 amps/in. (maximum) of prod spacing. b) Direct or alternating magnetizing current shall be used and 100 amp/in. (minimum) to 125 amps/in. (maximum) of prod spacing. c) Direct or rectified magnetizing current shall be used and 90 amp/in. (minimum) to 110 amps/in. (maximum) of prod spacing. d) Direct or rectified magnetizing current shall be used and 100 amp/in. (minimum) to 125 amps/in. (maximum) of prod spacing. 25. A section of a vessel is being replaced with SA-516 Gr 70 material that has a wall thickness of 3 inches. The minimum postweld heat treatment (PWHT) holding time is: a) b) c) d)

2 hours. 2 hours, 15 minutes. 2 hours, 30 minutes. 3 hours.

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26. Safe operating limits for the use of different steels in services that can lead to hightemperature hydrogen attack are provided in which of the following documents? a) b) c) d)

API Recommended Practice 651 NACE MR0175 API Recommended Practice 578 API Recommended Practice 941

27. The seamless ellipsoidal head of a horizontal drum is installed at 1.375-inch (34.9-mm) thickness for a design pressure of 550 psi (3.79 MPa) including static head at 200°F (93°C). The fabrication material’s allowable stress is 17,500 psi (120.7 MPa), and the head’s ID is 60 inches (1524 mm). The Type 1 joint is 100% radiographed. The specified corrosion allowance is 0.125 inch (3.2 mm). The head is only subjected to pressure loading. What is the actual corrosion allowance? a) b) c) d)

0.125 inch (3.2 mm) 0.305 inch (7.7 mm) 0.429 inch (10.9 mm) 0.946 inch (24.0 mm)

28. For a material thickness of 2 inches (50.8 mm), the geometric unsharpness of a radiograph, when required by the referencing code, shall not exceed: a) b) c) d)

0.01 inch (0.25 mm), 0.02 inch (0.51 mm). 0.03 inch (0.76 mm). 0.04 inch (1.02 mm).

29. If repairs, re-ratings, or alterations are planned on an air-cooled heat exchanger, in addition to API Standard 510, which of the following standards should be used? a) b) c) d)

API Recommended Practice 576 API Standard 598 API Standard 661 TEMA (Tubular Exchanger Manufacturers Association) Standards

30. During pressure vessel re-rating, a thickness reading of 1.336 inches (33.9 mm) is obtained on a 2:1 ellipsoidal head with an I.D. of 60 - 1/16 inches (1526 mm). The nameplate is stamped RT-4, and the joint efficiency is 1.0. The ASME Data Report states that the head is seamless and that the attaching weld to the vessel is Category B, Type 1, and has an allowable material stress of 17,500 psi (120.6 MPa). Based on these data, what is the maximum design pressure for this head? a) b) c) d)

542 psig (3.73 MPa) 620 psig (4.27 MPa) 659 psig (4.53 MPa) 775 psig (5.34 MPa)

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API-510 Practice Exam #5 - Open Book

31. When reviewing a group of radiographs, all of the following information must be documented except: a) b) c) d)

minimum source-to-object distance. geometric unsharpness. material type. single or double-wall exposure.

32. Preferred methods of inspection for chloride-induced stress corrosion cracking include: a) b) c) d)

ultrasonic testing and visual testing. penetrant testing and eddy-current phase analysis. penetrant testing and radiographic testing. wet fluorescent magnetic-particle testing and visual testing.

33. Radiographs that were used for examining weldments during fabrication and assembly of the pressure vessel shall be retained: a) b) c) d)

for 5 years. for the lifetime of the vessel. for a time not specified in the construction. until the data report has been signed by the inspector.

34. A vessel has a corroded groove in which circumferential stresses govern. The length of the groove is 25 inches (635 mm), and thickness measurements along the most critical element of the groove are 0.700 inch (17.8 mm), 0.400 inch (10.2 mm), 0.300 inch (7.6 mm), 0.450 inch (11.4 mm), 0.600 inch (15.2 mm), and 0.700 inch (17.8 mm). The vessel diameter is 96 inches (2438 mm) and the required thickness is 0.604 inch (15.3 mm). Which of the following statements about the need for repair is correct? a) Repairs are required; the groove length is acceptable, but the average thickness is below the required thickness. b) Repairs are required; the groove length is not acceptable, and the average thickness is below the required thickness. c) Repairs are required; the groove length is not acceptable, even though the average thickness exceeds the required thickness. d) Repairs are not required; the groove length is acceptable, and the average thickness exceeds the required thickness. 35. The maximum offset for a ¾ inch-thick Category A weld joint that is being repaired is: a) b) c) d)

1/16” 1/8” 3/8” 1/4”

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API-510 Practice Exam #5 - Open Book

36. An ASME Section VIII cylindrical pressure vessel has the following characteristics: ID. = 60 inches (1524 mm); joint efficiency = 1.0; allowable stress at design temperature = 17,500 psi (120.6 MPa); design pressure (including static head) = 500 psig (3.445 MPa). If the vessel is uniformly corroded, what is the minimum required thickness of the shell under design conditions? a) b) c) d)

0.857 inch (21.8 mm) 0.872 inch (22.1 mm) 1.714 inches (43.5 mm) 1.744 inches (44.3 mm)

37. For a pressure vessel with an inside diameter greater than 60 inches and a corroded area of considerable size in which circumferential stresses govern, the least thickness along the most critical element of the area may be averaged over a length not exceeding: a) b) c) d)

1/4 of the vessel diameter or 25 inches, whichever is less. 1/4 of the vessel diameter or 30 inches, whichever is less. 1/3 of the vessel diameter or 40 inches, whichever is less. 1/3 of the vessel diameter or 50 inches, whichever is less.

38. A 120-inch (305 cm) pressure vessel is being inspected. The inspector observes that the shell near a tangential inlet nozzle appears to be thinning. The inspector should evaluate the thinned area by averaging the shell thickness: a) readings over the most critical element of the thinned area over a length of one-third the vessel’s diameter or 40 inches (100 cm), whichever is less. b) readings within an 8-inch (20 cm) diameter circle. c) measurements on either side of the nozzle using thickness measurements that do not extend beyond the limits of the reinforcement or defined in the ASME Code. d) readings over the most critical element of the thinned area over a length of one-half the vessel’s diameter or 20 inches (50 cm), whichever is less. 39. A unit upgrade requires adding two NPS 2 (DN 50) nozzles to a pressure vessel originally fabricated from an SA-387 Gr 22 (P-5A material) 0.699-inch plate. Which of the following statements applies to the heat treatment of this work? a) b) c) d)

Temper-bead installation may be used instead of PWHT. Vessel alterations prevent applying preheat as a PWHT alternative. The material prevents substituting preheat for PWHT. Preheating to not less than 300°F is an alternative to PWHT.

40. Welders may be qualified by radiographic examination of groove welds, with the exception of: a) b) c) d)

SAW with silicone-based flux. GMAW globular transfer. GMAW pulsed-arc. UMAW short-circuiting.

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API-510 Practice Exam #5 - Open Book

41. A pressure vessel built in 2000 has been repaired and has the following conditions: maximum allowable working pressure = 400 psig at 700T; allowable stress of material = 17.500 psi at test temperature and 16,600 psi at design temperature; minimum design metal temperature = -20°F. Rounded to whole numbers, the minimum required hydrostatic test pressure and the minimum pressure for visual inspection of joints and connections, respective1y, are: a) b) c) d)

548 psig; 422 psig (Correct Answer) 600 psig; 400 psig 633 psig; 400 psig 633 psig; 422 psig

42. A seamless (2:1) ellipsoidal head is 96 inches (2438 mm) I.D. with a thickness of 0.283 inch (7.2 mm). The allowable stress is 17,500 psi (120.6 MPa), the joint efficiency is 1.0 (seamless), and the original corrosion allowance was 0.125 inch (3.2 mm). The process pressure, including static head, on the head will be lowered to 80 psig (0.55 MPa). What is the required thickness for the head for the new conditions, without corrosion allowance? a) b) c) d)

0.220 inch (5.6 mm) 0.274 inch (7.0 mm) 0.344 inch (8.8 mm) 0.399 inch (10.2 mm)

43. Welding materials must be purchased in accordance with the requirements of the Code, and when received, each: a) b) c) d)

container may be accepted if it is tagged or marked by the material specification. material must be accompanied by a Certified Test Report or Certificate of Compliance. welding rod must be tagged for identification. low hydrogen weld rod must be stenciled with the AWS class.

44. A vessel made of P-3 material with notch toughness testing not required was found to have a crack, and the excavation depth after removal was measured to be 0.875 inch deep. Which of the following can be used to avoid postweld heat treatment (PWHT)? a) Preheat at a higher temperature of 275°F and maintain interpass temperatures at 450°F as an alternative to PWHT. b) Use an alternative heat treatment method of preheating at 275°F minimum, provided the pressure vessel engineer has been consulted. c) An alternative to PWHT is not allowable in this case. d) Use a shielded metal arc welding process and a preheat temperature between 300°F and 450ºF. 45. During inspection of a small horizontal vessel with a history of slight corrosion, thickness measurements are normally taken at: a) b) c) d)

two locations that appear most corroded. one location on each shell course and head. one location on the top and bottom. at least two locations in the vapor space.

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46. Following repairs and re-rating according to ASME Section VIII, Div. 1, 2004 Edition, 2006 Addenda, a pressure vessel is scheduled for hydrostatic testing. The maximum allowable working pressure is 150 psig at 750°F (399°C). The allowable stress at 750°F (399°C) is 14,800 psi (102 MPa). The allowable stress at the hydrostatic test temperature is 17,500 psi (120.6 MPa). The operating pressure is 130 psig (0.89 MPa). The minimum design metal temperature is 20°F (6°C). The appropriate hydrostatic test pressure is: a) b) c) d)

169 psig (1.16 MPa). 195 psig (1.34 MPa). 231 psig (1.59 MPa). 266 psig (1.83 MPa)

47. If a repair is made on a pressure vessel using a filler material with a lower specified minimum tensile strength than the base metal, all of the following requirements apply except: a) the repair shall be made with a minimum of two passes. b) the increased thickness of the repair shall have rounded corners and blend into the base metal using a 3:1 taper. c) a minimum preheat of 175° F (79.4°C) and an interpass temperature of 450°F (232°C) must be maintained. d) the repair thickness shall not be more than 50% of the required base metal thickness, excluding corrosion allowance. 48. The density of step wedge comparison films and densitometer calibration shall be verified by comparison with a calibrated step wedge film traceable to: a) b) c) d)

film certified according to ASME Code, Section V. an ASTM certified step wedge. an ASNT certified procedure. a national standard.

49. A vessel undergoing an API 510 internal inspection has a corroded area whose minimum average remaining thickness is 0.90 inch (22.9 mm). The required minimum thickness of the vessel for the anticipated service is 1.00 inch (25.4 mm). The nominal thickness of the vessel is 1.30 inches (33.0 mm), and there is no evidence of corrosion, thinning, or cracking elsewhere in the vessel. The corrosion rate in the damaged area is estimated to be 0.01 inch per year (0.254 mm/year). The owner/user desires to keep the vessel in service for 10 years before the next required inspection. Which statement is most appropriate? a) b) c) d)

The local thin area must be restored to a nominal metal thickness of 1.10 inch (27.9 mm). The local thin area must be restored to a nominal metal thickness of 1.20 inch (30.5 mm). The local thin area must be restored to a nominal metal thickness of 1.30 inch (33.0 mm). APT 510 does not permit restoration of a corroded area whose remaining thickness is less than the required minimum thickness.

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API-510 Practice Exam #5 - Open Book 50. If a pressure vessel is found to be corroded, it is necessary that the wall thickness used for computing the maximum allowable working pressure for continued service shall be the: a) thickness of the original construction minus twice the estimated corrosion loss before the next scheduled inspection b) actual thickness determined by inspection minus twice the estimated corrosion loss before the next scheduled inspection. c) actual thickness determined by inspection minus the estimated corrosion loss through the next scheduled inspection. d) actual thickness determined by inspection minus the estimated corrosion loss before the next scheduled inspection. QUESTIONS 51 THROUGH 53 REFER TO THE WPS/PQR DOCUMENTS 51. Do the tensile test results shown on the procedure qualification record (PQR) meet the requirements for the welding procedure specification (WPS)? a) b) c) d)

Yes. No; specimens 1 and 3 do not meet the requirements. No; specimen 1 does not meet the requirements. No; multiple specimens cannot be used.

52. The bend test results shown on the procedure qualification record (PQR) are: a) b) c) d)

acceptable. unacceptable; wrong type of bend specimen. unacceptable; multiple specimens required. unacceptable; insufficient number of bend specimens.

53. Does the welding procedure specification (WPS) show the maximum thickness range that could be qualified by the procedure qualification record (PQR)? a) b) c) d)

Yes. No; it could be 3/16 inch to 1.25 inches. No; it could be 3/16 inch to 2.5 inches. No; it could be 3/16 inch to 8 inches

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QW-482 Suggested Format for Welding Procedure Specification (WPS) (See QW-200.1, Section IX, ASME Boiler and Pressure Vessel Code) Company Name Welding is US Welding Procedure Specification No. Revision No. 0 Welding Process(es) SMAW

By: Rod Burns 10/11/00 Supporting PQR No(s)

WUS-1 Date Date --Type(s)

WUS-1

Manual (Automatic, Manual, Machine, or Semi-Auto)

Joints (QW-402) Joint Design Single Backing (yes) Backing Material (Type)

Details (no)

XXX

(Refer to both backing and retainers)

X Metal Nonmetallic

Nonfusing Metal Other None used

Sketches, Production Drawings, Weld Symbols or Written Description should show the general arrangement of the parts to be welded. Root spacing and weld groove details may be specified where applicable

Root spacing: 1/16” Root face: 1/8” max.

(At the option of the manufacturer, sketches may be attached)

*Base Metals (QW-403) P-No. 1 Group No. 1 To P-No OR Specification type and grade ----To Specification type and grade ----OR Chem. Analysis and Mech. Prop. ----To Chem. Analysis and Mech. Prop. ----Thickness Range: Base Metal: Groove .1875" to .8640" Pipe Dia. Range: Groove All Other No pass greater than 1/2"

1

Group No

Fillet Fillet

1

All All

* Filler Metals (QW-404) Spec. No. (SFA) 5.1 AWS No. (Class) E7018 F. No. F- 4 A-No. 1 Size of Filler Metals 1/8 and 5/32 Weld Metal Thickness Range: Groove .1875" to .8640" Fillet To ¾” Throat Electrode-Flux (Class) Flux Trade Name Consumable Insert Other *Each base metal - filler metal combination should be recorded individually.

This form is to be used for classroom instruction only.

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Qw-482 (Back) WPS No. WUS-1 Rev. 0 Positions (QW-405 Position(s) of Groove All Welding Progression: Up Position of Fillet All

X

Postweld Heat Treatment (QW-407) Temperature Range NONE Time Range None

Down

Gas (QW-408) Percent Composition Gas(es) (Mixture) Flow Rate

Preheat (QW-406) Preheat Temp. Min. 50ºF Interpass Temp. Max. 550ºF Preheat Maintenance None (Continuous or special heating where applicable should be recorded)

Shielding Trailing Backing

Electrical Characteristics (QW-409) Current AC or DC DC Polarity Reverse Amps (Range) 90-220 Volts (Range) (Amps and volts range should be recorded for each Electrode size, position, and thickness, etc. This Information may be listed in a tabular form Similar to that shown below. Tungsten Electrode Size and Type (Pure Tungsten, 2% Thoriated, etc.)

Mode of Metal Transfer for GMAW (Spray arc, short circuiting arc, etc.)

Electrode Wire feed speed range Technique (QW-410) String or Weave Bead Orifice or Gas Cup Size Initial and Interpass Cleaning (Brushing, Grinding, etc.) Method of Back Gouging Oscillation Contact Tube to Work Distance Multiple or Single Pass (per side) Multiple or Single Electrode Travel Speed (Range) Peening Other

Weld Layers All All

Process SMAW SMAW

Brushing or grinding. Clean 1” both sides of weld joint

Grinding

Multiple

None

Filler Metal E-7018 E-7018

String and Weave

1/8" 5/32

Current DCRP DCRP

Volt Range

Travel Speed Range

-

-

90-169 130-220

Other (e.g. Remarks Comments, hot wire addition, technique, Torch Angle, Etc.

This form is to be used for classroom instruction only.

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QW-483 Suggested Format for Procedure Qualification Record (PQR) (See QW-200.2, Section IX, ASME Boiler and Pressure Vessel Code) (Record Actual Conditions Used to Weld Test Coupon) Company Name Welding is Us Procedure Qualification Record Number WUS-1 WPS Number WUS-1 Welding Process(es) SMAW Type(s)

Date

10/11/00

Manual (Manual, Automatic, Semi-Auto)

Joints (QW-402)

Coupon Thickness: 1.25” Root Face: 3/32” Root Spacing: 1/16” Single V-Groove, 60° Angle, No Backing (for combination qualifications, the deposited weld metal thickness shall be recorded for each filler metal or process used)

Base Metals (QW-403) Material Specification SA-285 Type or Grade C P-No. P-1 to P-No. P-1 Thickness of Test Coupon 1.25" Diameter of Test Coupon Plate Other

Postweld Heat Treatment (QW-407) Temperature None Time Other Gas (QW-408) Percent Composition Gas(es) Mixture Flow Rate

Shielding Filler Metals (QW-404) SFA Specification 5.1 Trailing AWS Classification E-7018 Backing Filler Metal F-No. 4 Electrical Characteristics (QW-409) Weld metal analysis A-No. 1 Current DC Size of Filler Metal 1/8 Polarity Reverse Other Amps 100 1.25 Weld Metal Thickness Tungsten Electrode Size Other Position (QW-405) Position of Groove 3G Technique (QW-410) Weld Progression (uphill, downhill) Travel Speed Other String or Weave Bead Oscillation Preheat (QW-406) Preheat Temp. 100ºF. Multiple or Single Pass (per side) Interpass Temp. 650ºF Single or Multiple Electrodes Other Other No Pass > ½” This form is to be used for classroom instruction only.

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API-510 Practice Exam #5 - Open Book

(SMAW) QW-483 (Back) Tensile Test (QW-150) Specimen No. 1 2 3 4

Width 0.75 0.75 0.75 0.75

Thickness 0.625 0.625 0.625 0.625

Area Sq. In. 0.469 0.469 0.469 0.469

Ultimate Total Load lb 25,021 25,250 24,857 27,500

Ultimate Unit Stress psi 53,350 55,970 53,000 58,635

Type of failure & location Ductile/WM Brittle/WM Ductile/BM Brittle/WM

Guided Bend Tests (QW-160) Type and Figure No. Face #1 Face #2 Face #3 Face #4

Results No Defects No Defects No Defects No Defects Toughness Tests (QW-170)

Specimen No.

Notch Location

Notch Type

Test Impact Temp Values

Lateral Exp % Shear Mills

Drop Weight Break No Break

Fillet Weld Tests (QW-180) Results Satisfactory: Macro - Results

Yes

No

Penetration into Parent Metal:

Yes

No

Other Tests Type of Test Deposit Analysis Other Welder’s Name Tests conducted by:

Will Lee Makeit

Clock No.

First Testing Inc.

43

Stamp No.

Laboratory Test No.

M

432

We certify that the statements in this record are correct and that the test welds were prepared, welded, and tested in accordance with the requirements of Section IX of the ASME Code.

Manufacturer Welding is Us Date: October 11, 2000 Signature: Rod Burns This form is to be used for classroom instruction only.

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Work Space

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