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

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Total 110 questions

Welding Inspection and Metallurgy Exam Questions and Answers

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Question 1

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 2

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 3

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 4

The simplest weldability tests are those that evaluate:

Options:

A.

Porosity and slag inclusions of the weld.

B.

Cracking and corrosion resistance of the weld.

C.

Strength and ductility of the weld.

D.

Ductility and hardness of the weld.

Question 5

Which of the following is a practical solution that could prevent or reduce lack of fusion in carbon steel during the weld process?

Options:

A.

Reduce travel speed

B.

Provide proper heat input

C.

Avoid excessive weaving

D.

Use proper joint design

Question 6

When welding using the GTAW process, which of the following best describes the appearance of a transverse crack on a radiograph?

Options:

A.

A feathery line of longitudinal orientation located at the center of the weld image.

B.

Elongated lines of darker density, irregular in width, and slightly winding in the lengthwise direction.

C.

A feathery, twisted line of darker density running across the width of the weld.

D.

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

Question 7

Eddy current can be used to measure the:

Options:

A.

Thickness of parent metal below alloy metal claddings.

B.

Thickness of surface coatings or cladding thickness.

C.

Extent of bonding of coatings or claddings.

D.

Holidays in coatings or claddings.

Question 8

What increases when a welder increases the amperage?

Options:

A.

Voltage

B.

Arc length

C.

Heat

D.

Travel speed

Question 9

Hardenability of a steel can be an indirect indicator of:

Options:

A.

Weldability

B.

Toughness

C.

Strength

D.

Cooling rate

Question 10

One limitation of a shielded metal arc welding (SMAW) process is that:

Options:

A.

Deposition rates are lower than GMAW.

B.

The process cannot be used in areas of limited access.

C.

It has low tolerance for contaminants.

D.

The process is sensitive to wind and draft.

Question 11

What is(are) the most appropriate action(s) to prepare an in-service carbon steel piping system that has been in caustic service for welding?

Options:

A.

Neutralize and clean the surface within 6 in. (150 mm) of weld bevels

B.

Steam out the piping system and dry

C.

Verify with pH paper that any surface liquid is “basic"

D.

Grind the surfaces near the bevel to remove contaminants

Question 12

What is the purpose of the IQI?

Options:

A.

Determining that the required sensitivity of the radiograph is achieved

B.

Marking the radiographs with a definite identifying characteristic

C.

Ascertaining how much radiation the source has penetrated the material

D.

Establishing the depth that the radiation source penetrates

Question 13

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 14

Which term is used to describe a groove melted into the base metal adjacent to the weld toe or weld root and left unfilled by weld metal?

Options:

A.

Longitudinal groove

B.

Incomplete fusion

C.

Under fill

D.

Undercut

Question 15

Which of the following statements is true?

Options:

A.

PQRs qualified on P8 materials also qualify for P1 materials.

B.

Welding procedures must be supported by more than one PQR.

C.

All PQRs must be qualified with impact testing.

D.

One PQR may support several WPSs.

Question 16

For design purposes, the maximum usefulness of a weldment under test is based upon the:

Options:

A.

Yield strength.

B.

Hardness.

C.

Ultimate tensile strength.

D.

Toughness.

Question 17

A four-digit designation for a SMAW electrode under AWS classification uses the third digit to define the:

Options:

A.

Coating characteristics.

B.

Chemical composition.

C.

Strength of the filler metal.

D.

Welding position.

Question 18

Refer to the following diagram:

Item#4 represents:

Options:

A.

bevel face.

B.

bevel angle.

C.

groove angle.

D.

groove face.

Question 19

Which of the following has the lowest range of welding currents and electrode diameters associated with the GMAW process?

Options:

A.

Short circuiting transfer

B.

Pulsed droplet transfer

C.

Globular transfer

D.

Spray transfer

Question 20

A “mill certificate" is a/an:

Options:

A.

Analysis of the chemical elements in an ingot.

B.

Chemical analysis of a base metal to be welded.

C.

List of the chemical and mechanical properties specified by a purchaser.

D.

Product analysis of mechanical properties of a base metal.

Question 21

For SMAW welding, the last number of the electrode identification identifies:

Options:

A.

Chemical composition.

B.

Electrode operating characteristics.

C.

Welding position.

D.

Coating operating characteristics.

Question 22

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 23

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 24

Hot tapping and in-service welding should be carried out only with:

Options:

A.

Steels that have a carbon equivalent below 0.30.

B.

Cellulosic-type electrodes to reduce penetration.

C.

Low-hydrogen consumables and electrodes.

D.

Low-hydrogen root pass and cellulosic weld out.

Question 25

Crater cracks typically occur:

Options:

A.

In weld metal at the point where the arc terminates.

B.

In the HAZ at the point where the arc initiates.

C.

In weld metal at the point where the arc initiates.

D.

In the HAZ at the point where the arc terminates.

Question 26

A-number groupings are based upon the:

Options:

A.

Chemical composition of the deposited weld metal.

B.

Comparable base metal ultimate strength values.

C.

Weldability characteristics of the metal.

D.

Type and strength of base metal.

Question 27

Which of the following is an important aspect of a qualified WPS?

Options:

A.

Welder qualification

B.

Maintaining project schedule

C.

Welding program effectiveness

D.

Fabrication quality control

Question 28

To reduce the possibility of cracking, which of the following maximum hardness levels is required for weldments in wet H2S service?

Options:

A.

HRC 20

B.

HRC 22

C.

HRC 25

D.

HRC 32

Question 29

P-numbers are based on which of the following?

Options:

A.

Comparable base metal characteristics

B.

Weldability characteristics of base metal

C.

Electrode characteristics

D.

Chemical composition of the base metal

Question 30

Remote examination of welds may use aids such as telescopes, borescopes, fiberscopes, cameras, or other suitable instruments provided they have:

Options:

A.

Good perception and the inspection would be approximately equal to a direct visual exam.

B.

Sensitivity to find possible defects that a direct visual exam would produce.

C.

A resolution at least equivalent to that which is attained by direct visual examination.

D.

A greater acuity than the eye and the inspection would be better than a direct visual.

Question 31

What is a discontinuity?

Options:

A.

An interruption in the normal physical structure of a material.

B.

An imperfection which is detectable with NDE.

C.

The response or evidence from the application of NDE.

D.

A departure of a quality characteristic from its intended condition.

Question 32

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 33

Which of the following is used to determine the soundness and ductility of a groove weld?

Options:

A.

Ductility test

B.

Guided bend test

C.

Notch toughness test

D.

Tension test

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Total 110 questions