API-570 Dumps Questions Increase Your Chance of Success

Passing the API-570 certification exam can be challenging, which is why practicing with API-570 questions can greatly increase your chances of success. API API-570 dumps questions help you become familiar with the exam format. The API-570 questions are designed to mimic the actual exam, which means that you'll get a feel for the types of questions you'll encounter, the difficulty level, and the time limit. All the API-570 exam dumps questions are the latest version for you to study. Test free API-570 exam questions below.

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1. The liquid penetrant examination method is an effective means for detecting.

internal discontinuities of a weld

surface discontinuities of a weld

both Internal and surface discontinuities of a weld

subsurface discontinuities of a weld

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2. 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

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3. 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

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4. can cause flame detectors used to indicate a furnace or boiler fire to give false indications on control panels.

Welding or related repairs on piping

Piping alterations in the shop

Ultrasonic inspection

Radiographic inspection

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5. Bolts should extend during the installation of flanged connections.

two threads past their nuts

completely through their nuts

only half way through their nuts

at least 0.5 inches (12.7 mm) past their nuts

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6. 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

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7. What document may be used as a guide when examiners are being qualified by their employer?

ASME Section IX

ASM E Section V

ASNT SNT- TC-1A

API 570

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8. 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

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9. 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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10. 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

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

gate

slide

globe

ball check

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

15

17

20

25

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13. 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

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14. Cracks caused by vibration, thermal cycling, thermal expansion problems and environmental cracking are considered.

in-service cracks

material cracks

delayed cracks

HAZ cracks

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15. API 570 covers the inspection of__________.

new construction

new tank construction

In-service piping

In-service vessels

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16. When an injection point circuit for the purpose of inspection is designated, the recommended up stream limit of the injection point circuit shall be the greater of ?

minimum 12 inches

maximum 12 inches

three pipe diameters

both A and C

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17. 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

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18. A WPS shall have the referenced

welder

PQR

NACE

PDQ

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19. A transverse crack was discovered in the root pass of a completed weld on the outside of a Category D Fluid Service piping system during a PT test.

Which of the following," statements is most accurate?

The weld is acceptable

The PT test should be repeated

The welder should be requalified

The PT test will not show this type of discontinuity from the outside

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20. 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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21. A DC yoke shall have a lifting power of at least

5 lbs.

8 lbs.

10 lbs.

40 lbs.

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22. 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

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23. 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

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24. Who is authorized to make a tack weld?

A qualified welder

A helper

A fitter

The welding foreman

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25. What does the acronym MAWP refer to?

Maximum internal pressure permitted in the piping system

Minimum internal pressure permitted in the piping system

Maximum external pressure permitted in the piping system

Maximum external stress permitted in the piping system

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26. 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

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27. 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

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28. 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

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29. 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

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

Yes

No

Could be if properly preheated

Not enough information

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31. 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

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32. A weld is changed from multi pass per side to single pass per side.

How does this effect the PWHT limitation?

This limitation does not apply when a WPS is qualified with a PWHT above the upper transformation temperature

This limitation does not apply when a WPS is qualified with a PWHT below the upper transformation temperature

The PWHT is not a consideration

The PWHT must be performed per ASME IX and time increased byone

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33. When environmental or operating conditions produce snow and ice loads, these are considered to be.

Dead loads

live loads

environmental loads

structural loads

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34. 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

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35. 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

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

pipe wall thickness

pipe wall thinness

pipe coating condition

leaks

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37. 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

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

Minimum required piping thickness

maximum piping thickness

minimum piping thickness

average piping thickness

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

1

2

3

11B

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40. The inspector shall approve all repair and alteration work at designated times, referred to as_______.

hold points

work stop points

inspection delay points

inspector's discretion

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41. Why should a leaking threaded joint not be tightened while the system is in service?

The craftsman should not be near the threaded connection

Rust or corrosion might be holding the pressure

The joint might be unscrewed

A crack in a thread root might fail

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42. 02 inches/year 5 Years

MAWP=

160 psig

550 psig

723 psig

125 psig

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43. 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

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

Yes

No

Re qualification is required by API 570

Re qualification is required by ASME Section V

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45. Who has the responsibility for qualifying welding procedures?

Each employer

Each subcontractor

Each welder

Each contractor

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