API API-570 PDF - Great Format To Practice API-570 Questions and Answers - Free Latest Dumps for IT Certification Exams

API API-570 PDF – Great Format To Practice API-570 Questions and Answers

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API-570 Piping Inspector is an on-demanded exam. Candidates who passed the API-570 exam must have a broad knowledge base relating to maintenance, inspection, alteration and repair of in-service metallic piping systems. There are 170 questions on the actual API-570 exam, including 110 closed-book questions and 60 open-book questions. Download API-570 pdf file to practice all questions and answers now. Below are the API-570 free demo questions for reading.

Page 1 of 5

1. 03 inches/year 5 Years

MAWP:

674 psig

323 psig

125 psig

Metal loss exceeds the requirements for 5 year inspection interval

2. What is the pressure design thickness of NPS 10, A516 Gr.65 Type 22 pipe that operate at 1200 psig/750°F

0.432”

0.46”

0.928”

Not enough information given

3. A leak test is an alternative to inspection of buried piping.

What is the minimum liquid pressure to adequately conduct this test?

1 1/2 times the MAWP

1 1/4 times the MAWP

10% greater than MAWP

Actual MAWP

4. For a single wall material thickness, over 0.375” through 0.50”, what is the hole type designation for a source side penetrameter

5. Give the corresponding “P” number for SA 414 Gr.A material

11B

6. On a class 1500 NPS 4 blind flange, what is the minimum thickness permitted?

1.12”

1.88”

2.12”

2.88”

7. For 1 1/4” thick carbon steel, what is the recommended preheat temperature?

300°F

235°F

175°F

None

8. 02 inches/year 5 Years

MAWP=

160 psig

550 psig

723 psig

125 psig

9. What is the inspection interval for buried piping without cathodic protection, the soil resistivity is 6,500 ohm-cm?

10 years

15 years

5 years

whenever a leak is suspected

10. What is the maximum length allowed for individual slag trapped in a weld in a Severe Cyclic Conditions piping system?

>TW X 3

£TW / 3

³12T

3/23”

Page 2 of 5

11. What is the design thickness of NPS 2 ½, SA106 Gr.B pipe that operates at 25 psi / 200°F

0.275”

0.100”

0.002”

not enough information given

12. With respect to Category ‘D’ service, what is the maximum allowable undercut for a branch connection?

Zero (no evident imperfections)

£ 1/32”

£ 1 mm

Both B and C

13. What is the test pressure of a metallic piping system whose design temperature is above the test temperature using the following conditions? NPS 6, SA106 Gr.B, 100 psi / 800°F

150 psi

450 psi

278 psi

Test temperature verses design temperatures are not different

14. 01 inches/year 5 Years

MAWP=

522 psig

487 psig

878 psig

125 psig

15. Impact testing of each form of material for any specification shall be done using procedures and apparatus in accordance with

ASTM A 370

ASME Section V

API 570

AWS D 1.5

16. In the AWS D 5.1, what is the designation for cellulose DCEP electrode?

E 7018

E 7016

E 6011

E 6010

17. With respect to a Class 400, NPS 12 slip on raised face flange, whose edges of the gasket do not extend to the bolt, what is the outside diameter of the gasket?

12.75”

15.00”

16.50”

18.00”

18. The base metal is P.No.8, the weld metal is A . No.8-9, and the wall thickness is 1”, what is the hold time for heat treatment

None

1 hour

2 hours

½ hour for each 1” thickness

19. On the regularly furnished Class 300 raised face flange, what is the height of the raised face?

0.06”

0.09”

0.19”

0.25”

20. During a welder qualification test on 3/8” plate in the horizontal position, how many guided bends are required?

6 side bends

2 nick breaks

1 face and 1 root bends

4 tensile specimens

Page 3 of 5

21. all suspect areas and areas of damaged insulation should be examined?

10%

33%

50%

100%

22. A welder who tests on a ½” thick plate, groove weld in the 3G position is also qualified to weld in which other plate position?

Vertical only

Flat and horizontal

Flat

All plate positions

23. After hot bending and forming, heat treatment is required for which P numbers?

3,4,5, 6 and 10A

1, 2 and 7

11ASG1 and 11ASG2

1,2,8,9A and 98

24. A piping system that operates at a design pressure of 100 psi at 950? F was originally built from NPS 20 EFW (100% radiographed), ½” wall, A-516 Grade 70, A-671 material. During the last Inspection, the thickness was determined to be 0.370 inches. The records indicated the corrosion rate to be 0.009 inches per year.

What is MAWP if the next inspection is planned in 5 years?

126 psi

285.17 psi

98.23 psi

Not enough information given

25. Can the inspection interval of the system in question 24 be increased to 8 years?

Yes

If the system was insulated, the interval can be extended

Not enough information given

26. What the MAWP is recalculated, the wall thickness used shall be the actual thickness minus:

The estimated corrosion loss before the date of the next inspection

Twice the estimated corrosion loss before the date of the next inspection

Three times the estimated corrosion loss before the date of the next inspection

The estimated corrosion loss before the date of the next inspection

27. The base metal is P No.1, the weld metal is A No.1, and the wall thickness is 7/8”.

What is the holding time at 1100- 1200?F for heat treatment

1 hour

2 hours

3 hours

Procedure is not required for this thickness

28. What is the required thickness of straight run pipe subject to internal pressure only, based on the following conditions: NPS 14, SA 285 Gr.C, EFW Spiral seam (No radiography), operating at 216 psi / 378?F

0.11”

1.1”

0.06”

Not enough information given

29. The radiograph of a Normal Fluid service piping weld revealed a crack.

What is the acceptable crack length if the pipe wall was 0.375?

None

T/3

3/16"

Cracks will not show on radiographs

30. Geometric unsharpness of the radiograph of a component under 2" th1ck shall not exceed

0.020"

0.030"

0.040"

0.050"

Page 4 of 5

31. What is the maximum Brinell hardness of base metal P-6?

241

270

281

not specified

32. What is the minimum holding time of SA-106 Grade B, 1 inch thick material?

2.4 hours

2 hours

1 hour

not specified

33. What is the working pressure of a 150 Ib. flange, SA 350 Gr.LF6 CL 1, used at 400°F?

230 psig

200 psig

170 psig

140 psig

34. What is the minimum class flange that can be used if the material is SA 351 Gr.C F8C, temperature 950?F and working pressure is 1930 psig

800

900

1500

This material can not be used at this temperature

35. The preheat zone shall extend beyond each edge of a pipe weld

1”

2”

36. What is the root face limitation as listed on the attached WPS and PQR

3/32”

1/8”

No limit

Not designated

37. If the supporting PQR is used, are the P-no’s correct on the attached WPS?

Yes

Could be if properly preheated

Not enough information

38. Is the thickness range on the WPS supported by the PQR?

Yes

Re qualification is required by API 570

Re qualification is required by ASME Section V

39. Is the attached PQR properly qualified?

No, because RT is not allowed during PQR qualification

No, because there are not enough tensile tests

No, because peening is allowed by ASME B31.3

Yes

40. What should have been the correct number and type of guide bends on the PQR?

6 side bends

2 face and 2 root bends

1 side, 1 face and 1 root bend

No side bends required

Page 5 of 5

41. According to API 570, a(n) is a person who assists the inspector by performing specific NDE testing.

NDE technician

Inspector assistant

Level II inspector

Examiner

API API-570 PDF – Great Format To Practice API-570 Questions and Answers

API API-570 PDF – Great Format To Practice API-570 Questions and Answers

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