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API API-577 Welding Inspection and Metallurgy Exam Exam Practice Test

Demo: 33 questions
Total 110 questions

Welding Inspection and Metallurgy Exam Questions and Answers

Question 1

Base metals are assigned P-numbers by the ASME Code, Section IX to reduce the number of:

Options:

A.

Required welding procedure specifications.

B.

Required welding procedure qualifications.

C.

Required procedure and performance qualifications.

D.

Required mechanical tests.

Question 2

Prior to any welding, inspectors should review the:

Options:

A.

WPQ to verify that the welder is qualified to perform the welding, given its position and process.

B.

WPQ to verify that the specification in use is correct.

C.

PQR to verify that the welder is qualified to perform the welding, given its position and process.

D.

WPS to verify that the welder is qualified to perform the welding, given its position and process.

Question 3

Refer to the following diagram:

Item#4 represents:

Options:

A.

bevel face.

B.

bevel angle.

C.

groove angle.

D.

groove face.

Question 4

The weld symbol represents which type of weld groove?

Options:

A.

Parallel

B.

Scarf

C.

Flare

D.

Bevel

Question 5

Rules for qualifying welding operators using radiography on a production weld require what minimum weld length to be examined?

Options:

A.

6 in. (150 mm)

B.

12 in. (300 mm)

C.

24 in.(600 mm)

D.

36 in. (900 mm)

Question 6

How much should each pass of the transducer overlap the previous path during a weld scan?

Options:

A.

5% of the transducer element dimension.

B.

10% of the transducer element dimension.

C.

15% of the transducer element dimension.

D.

20% of the transducer element dimension.

Question 7

Heating a round bar to an elevated temperature and then quenching one end is a test method to determine:

Options:

A.

Hardenability.

B.

Temper embrittlement.

C.

Heat treatability.

D.

Thermal conductivity.

Question 8

The carbon equivalent formula indicates:

Options:

A.

Whether postweld heat treatment (PWHT) will be needed.

B.

Whether preheat will be needed.

C.

The theoretical carbon content of a steel.

D.

The weldability of a steel, based on carbon content.

Question 9

Filler metals are grouped according to their A-numbers to:

Options:

A.

Minimize the number of performance qualifications.

B.

Minimize the number of welding procedure qualifications.

C.

Define the welding characteristics.

D.

Designate similar chemical compositions.

Question 10

In magnetic particle examination, the yoke is placed parallel to the weld to detect cracks:

Options:

A.

In the undercutting.

B.

Parallel to the weld.

C.

Transverse to the weld.

D.

In the HAZ.

Question 11

Which welding process produces a fast-freezing weld pool and is generally suited for joining thin sections or root passes?

Options:

A.

GMAW-S

B.

GTAW

C.

GMAW

D.

FCAW

Question 12

To avoid burn through during in-service welding on thinner wall equipment, it is generally recommended to:

Options:

A.

Use larger diameter electrodes.

B.

Minimize weaving the bead.

C.

Maximize weaving the bead.

D.

Use high heat input.

Question 13

When radiographic examination is used for welder qualification utilizing the GMAW-S process, the minimum length of the test coupon to be examined is:

Options:

A.

Radiographic examination is not allowed.

B.

The entire weld circumference for pipe coupon.

C.

36 in. for welder operator qualification.

D.

6 in. for welder qualification.

Question 14

The direction of magnetic flux can be confirmed by the use of a:

Options:

A.

Pie gauge.

B.

Magnetic-field-sensitive crayon.

C.

Flux line sensitizer.

D.

Calibration gauge.

Question 15

According to the PQR 8025, does the thickness range qualified concur with the thickness range as stated on the WPS 802?

Options:

A.

Yes, but only for thicknesses greater than .280"

B.

No, the material thickness on the PQR should be .375"

C.

Yes, the PQR qualifies the ranges as stated on the WPS

D.

No, the PQR thickness should have been .560"

Question 16

Which welding process has been associated most with lack of fusion with shop-fabricated piping?

Options:

A.

GMAW-S

B.

GMAW-SF

C.

FCAW

D.

FCAW-SW

Question 17

At least how far on each side of the weld should preheat be maintained?

Options:

A.

2 in. (5.1 cm)

B.

3 in. (7.6 cm)

C.

4 in. (10.2 cm)

D.

6 in. (15.2 cm)

Question 18

At any time during the welding inspection, if defects are identified:

Options:

A.

They should be corrected before welding proceeds further.

B.

The inspector should seek engineering input on whether the defect is actually acceptable.

C.

The inspector should determine whether the weld may be acceptable for the intended service.

D.

The inspector should examine all welds produced by the same welder.

Question 19

A limitation of a stud arc welding (SW) process is:

Options:

A.

Welding rates are significantly lower than those obtained with SMAW.

B.

Process is primarily suitable for only carbon steel and low alloy steels.

C.

Process is limited to a flat position.

D.

Weld is not visible during the welding process.

Question 20

When welding using the shielded metal arc welding (SMAW) process, which of the following best describes the appearance of excessive penetration on a radiograph?

Options:

A.

A lighter density in the center of the width of the weld image, either extended along the weld or in isolated circular drops.

B.

An irregular darker density near the center of the width of the weld image along the edge of the root pass image.

C.

An abrupt density change across the width of the weld image with a straight longitudinal darker density line at the center of the width of the weld image along the edge of the density change.

D.

A localized darker density with fuzzy edges in the center of the width of the weld image.

Question 21

What is the Brinell hardness limit value for 1-1/4 Cr -1/2 Mo steel in refining service?

Options:

A.

200

B.

215

C.

225

D.

241

Question 22

When welding nickel alloys, it is important that:

Options:

A.

The bevel angle be wide enough to allow oscillation of welding torch.

B.

The cooling rate be controlled in order to prevent rapid cooling.

C.

Preheating is always performed to prevent hot cracking.

D.

A wide face and thinner bevel be used.

Question 23

A welding engineer or inspector should be notified when a weld has failed a weld quality test more than how many times in order to help determine the cause of the test failure?

Options:

A.

ONCE

B.

TWICE

C.

THREE TIMES

D.

FOUR TIMES

Question 24

Which of the following can result from residual magnetism left in a partially completed weld?

Options:

A.

Excessive distortion

B.

Tendency of weld pool to be sluggish

C.

Deflection of the weld arc

D.

Solidification cracking

Question 25

The size and width of the weld HAZ is dependent upon:

Options:

A.

The properties of the base metal.

B.

The thickness of the metal.

C.

The residual hardness of the weld joint.

D.

The heat input during welding.

Question 26

The deflection of an arc from its normal path that is a result of magnetic forces is referred to as:

Options:

A.

Arc drift.

B.

Arc strike.

C.

Arc blow.

D.

Arc deflection.

Question 27

When performing a carbon steel to carbon steel hot tap where the CE of one of the metals is greater than 0.42%, which of the following electrodes should be used?

Options:

A.

E7048-H4

B.

E7048

C.

E7018-A1

D.

E7018

Question 28

Which source of radiation is normally used for performing field radiography on steel with a 4-in. thickness?

Options:

A.

Selenium 75

B.

Cobalt 60

C.

Iridium 192

D.

X-ray machine

Question 29

The WPS gives the welder specific guidelines to:

Options:

A.

Set the machine amperage, voltage, and travel speed.

B.

Confirm the project heat input is followed during welding.

C.

Successfully complete production welds.

D.

Make imperfection/defect-free welds.

Question 30

What is the most capable NDE method for finding a discontinuity such as incomplete fusion in a joint?

Options:

A.

MT

B.

UT

C.

ET

D.

RT

Question 31

The most common measure of weldability and susceptibility to hot cracking of austenitic stainless steels is the ferrite content of the weld metal. Which of the following ranges is the recommended minimum ferrite content of the weld metal needed to prevent cracking?

Options:

A.

1%-10%

B.

5%-20%

C.

8%-18%

D.

15%-20%

Question 32

Which of the following is the test that can measure most aspects of weldability?

Options:

A.

Impact testing

B.

There is no single test

C.

Weld tension tests

D.

Bend testing

Question 33

Items to be included in the WPS for GMAW process are:

Options:

A.

Joint design and test coupon thickness.

B.

Base metal P-number and deposited metal thickness.

C.

Type of welding process and test coupon thickness.

D.

Electrode-flux class and electrical characteristics.

Demo: 33 questions
Total 110 questions