Try Free Piping Inspector API-570 Dumps Questions

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Are you planning to take API-570 Piping Inspector exam? Certified API 570 Piping inspectors must have a broad knowledge base relating to maintenance, inspection, alteration and repair of in-service metallic piping systems. The API 570 examination is designed to determine if applicants have such knowledge. You can choose FreeTestShare Piping Inspector API-570 Dumps Questions to best prepare for your exam, it will improve your confidence to pass your API-570 exam on your first attempt.

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1. 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”

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

Radiographic test

Leak test

Ultrasonic test

Hammer test

3. 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

4. API 570 covers the inspection of__________.

new construction

new tank construction

In-service piping

In-service vessels

5. 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

6. 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

7. Exemptions for preheating and post weld heat treatment must be approved by the____.

piping engineer

inspector

applicable standard, API 570

repair procedure.

8. 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

9. When heat treating welded joints between dissimilar ferritic metals, the temperature range shall be for which metal?

The one with the higher temperature range

The one with the lower temperature range

The average of both materials

Either one may be used

10. 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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11. 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

12. When a welder has not welded with a process during a period of, his qualifications for that process shall expire

3 months or more

6 months or more

9 months or more

12 months or more

13. 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

14. Rerating piping systems may be allowed only if the calculations are performed by

the piping engineer or the inspector

the plant manager

an outside engineering firm

a third party inspection organization

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. 02 inches/year 5 Years

MAWP=

160 psig

550 psig

723 psig

125 psig

17. What is the maximum thickness measurement inspection interval for an injection point?

3 years

5 years

10 years

By Class

18. 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

19. In a piping circuit, which of the following does not routinely have thickness measurements taken?

Valves

Straight Run Pipe

Fittings

Dead legs

20. When can welding procedures qualified by other than the employer be used?

When there is specific approval of the inspector

When the job contract gives authorization

When the procedure is used only one time

When the production weld is radiographed

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21. 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

22. 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

23. 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

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

source

film

weld

reverse

25. The formula t = PD/2SE computes the.

Minimum required piping thickness

maximum piping thickness

minimum piping thickness

average piping thickness

26. 03 inches/year 5 Years

MAWP:

674 psig

323 psig

125 psig

Metal loss exceeds the requirements for 5 year inspection interval

27. 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

28. 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

29. The potential for personnel exposure is deemed to be significant in which fluid service?

Category M fluid service

High pressure fluid service

Normal fluid service

Category B fluid service

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

1.12”

1.88”

2.12”

2.88”

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31. What is the acceptable method to temporarily repair a longitudinal crack in an existing piping system?

Installing a full encirclement welded split sleeve

Welding over the crack

Welding a box over the cracked area

Using a full encirclement welded spilt sleeve, with the approval of the piping engineer

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

33. 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

34. Who has the responsibility for qualifying welding procedures?

Each employer

Each subcontractor

Each welder

Each contractor

35. 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.

36. What is the maximum measurement for open defects in the weld or heat affect zone for a guided bend specimen?

1/16"

1/8"

3/16"

No open defects are allowed

37. What is the definition of normalizing?

Rapid cooling of a heated metal

Heating an alloy to a suitable temperature, holding that temperature long enough to allow constituents to enter into solid solution and then cooling ~ rapidly enough to hold the constituents.

Process where a ferrous metal is heated to a suitable temperature above the transformation range and is subsequently cooled in still air at room temperature.

Heating to and holding at a suitable temperature and then cooling at a suitable rate to reduce hardness, improve machinability, facilitate cold working, etc.

38. The letter "B" is placed on radiographic film holder for what reason?

To determine if back scatter radiation is exposing the film

To show the distance from the source of radiation to the weld

To function as a location marker for the radiograph

To designate whether the penetrameter is on the film side or the back side