API-570 API Exam Questions and Free Practice Test

Jonnie Karnath2023-03-08T11:06:12+00:00

If you’re looking to pass the API API-570 exam, Certspot API-570 API exam questions and free practice test are an excellent choice. These API-570 questions and answers are designed to help you prepare for the exam by providing you with up-to-date and accurate information on the exam topics. One of the best things about Certspot API-570 API exam questions and free practice test is that it’s designed to be user-friendly and easy to understand. Whether you’re a beginner or an experienced professional, their preparation material will help you gain a better understanding of the subject matter and allow you to test your knowledge before the actual exam.

Page 1 of 5

1. An operator notice a pipe off its support, what should be done?

Ignore the situation

Report the situation to engineering or inspection personnel

Keep a record of the situation for future reference

Contact maintenance personnel for immediate repair

2. The repair organization shall maintain records of welding procedures and welder qualifications and make the records available to the inspector_____.

prior to the start of welding

any time during welding

after completion of welding

when the repair organization releases the information

3. When testing cast iron pipe which of the following methods should not be used?

Radiographic test

Leak test

Ultrasonic test

Hammer test

4. An individual who holds an engineering degree is automatically qualified as.

an authorized piping inspector

a piping Inspector

a NDE Level II or III in any technique

None of the above

5. Piping systems that are not located in high activity areas and do not significantly vaporize are designated as______.

Class 3

Class 2

Class 1

Owner/user designated system

6. API 570 covers the inspection of__________.

new construction

new tank construction

In-service piping

In-service vessels

7. What classification does the majority of unit process piping fall in to?

Class 3

Class 2

Class 1

Owner/user designated system

8. Welding procedures qualified by may be used, subject to the specific approval of the inspector

others

the employer

the use of AWS pre qualified, D1.1 type procedures

the use of API 1104 qualified procedures

9. Lower levels of soil resistivity are:

Less corrosive than higher resistivity soils.

More corrosive than higher resistivity soils

Has no effect on corrosion.

More desirable because of increased electrolyte.

10. Erosion of the piping system usually occurs at:

Elbows

Along straight run pipe

Upstream of pump discharges

Any low-velocity and low-turbulence areas

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11. Who is authorized to make a tack weld?

A qualified welder

A helper

A fitter

The welding foreman

12. Which of the following applies to socket welds in piping systems?

Should be avoided

Should be used in all welded piping

Should be welded using SAW only

Should be avoided where crevice corrosion may occur

13. 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

14. API 570 applies to piping systems for process fluids such as:

Firewater

Plumbing, sanitary sewers and storm sewers

Raw, intermediate, and finished products.

Piping systems on trucks, ships and barges

15. Piping subject to CUI includes piping insulated for personnel protection, especially:

plastic piping

glass lined piping

carbon steel piping systems

carbon steel piping systems operating between 25°F-250°F

16. Of the following examples, which one may cause a leak in a threaded joint?

Back welding the fitting

Lack of thread lubricant

Under pressuring the part

Changing the direction of flow in the piping system

17. Which of the following methods can be used to join cast iron pipe?

Welding

Compression

Epoxy resin

Bell and spigot

18. 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

19. 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”

20. The minimum required pipe wall thickness or retirement thickness shall be based on pressure, mechanical and structural considerations using the appropriate design formulae and.

code allowable stress

assumption stress

nil-weight ductility stress

CTOD stress

Page 3 of 5

21. Austenitic stainless steel piping systems operating between 150°F-400°F are susceptible to:

temper embrittlement

chloride stress corrosion cracking

CUI

Both B and C

22. A piping inspector employed by the owner operator shall have

an API 653 certification

an AWS certification

an API 510 certification

not less than 10 years experience dealing with piping

23. All piping system repair and alteration welding shall be done in accordance with:

ASME BPV IX

ASME B31.G

API 570

The code to which the system was built.

24. Appropriate permanent and progressive records on each piping system shall include.

all original construction data

all jurisdictional requirements

original heat and batch numbers

system service; classification; identification numbers

25. The minimum allowable thickness of a piping component shall be based on.

pressure, mechanical and structural considerations

previous experience of the owner

corrosiveness of the product only

availability of piping materials

26. Peening of the weld is prohibited on what part of the weld?

Root and final pass

Intermediate passes

Along the toe of the weld

Within 1" of the weld area

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

1.12”

1.88”

2.12”

2.88”

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

300°F

235°F

175°F

None

29. 02 inches/year 5 Years

MAWP=

160 psig

550 psig

723 psig

125 psig

30. The acronym CUI refers to.

Corrosion Under Insulation

Cold Under-ground In-service piping

Corrosion Under Inside flow

Carpet Under Infra-structure

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31. Repair materials shall be verified for conformance to the applicable code and shall be compatible with the original material by the.

inspector

piping engineer

repair organization

the purchasing department

32. All proposed methods of design, execution, materials, welding procedures, examination and testing must be approved by the.

inspector or piping engineer

inspector only

plant manager

new construction contracts

33. What is the minimum lifting power of an AC electromagnetic yoke used in magnetic particle inspection?

40 pounds lifting power at the maximum pole spacing

10 pounds lifting power at the maximum pole spacing

10 amps lifting power at the maximum pole spacing

30 pounds lifting power at the minimum pole spacing

34. A welder may be qualified by AT in any welding process except for which of the following?

GMAW (short circuiting mode)

GMAW (spray arc mode)

FCAW

SMAW

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

10%

33%

50%

100%

36. 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

37. Temperatures above can damage transducers not equipped with delay line material.

There is no limit to temperature

manufacturer's specification

280 psi

1,000 psi

38. Buried piping inspected periodically by excavation shall be inspected in lengths of:

3 feet -5. feet

6 feet -8 feet.

Any length as long as It IS Inspected full circumference.

Any length as long as it is inspected 180° circumference.

39. The valve used to automatically prevent back flow is valve.

gate

slide

globe

ball check

40. In piping systems, the most easily detected problem during operation is.

pipe wall thickness

pipe wall thinness

pipe coating condition

leaks

Page 5 of 5

41. 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”

42. Care should be taken not to during a pressure test.

allow any inert gas into the system

use water in the system

over-pressure the system

under-pressure the system

43. Penetrameters are normally placed on the side of the part being examined.

source

film

weld

reverse

44. What is the prescribed alignment for the inside surfaces of circumferential welds to be groove welded?

? 1/16"

? 1/32"

Within the dimensional limits in the WPS

The fabricator's discretion

45. 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

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