General

Question 1

Define a DISCONTINUITY

Answer 1

A metallurgical interruption within the material

Question 2

Define a REJECT in regards to NDT

Answer 2

A discontinuity determined to be unacceptable when compared to Acceptance Criteria in regards to type, size, distribution, location, % of wall loss, etc.

Question 3

When is it necessary to perform NDT in accordance with an approved procedure?

Answer 3

ALWAYS

Question 4

Which of the following would be a mill anomaly or mill defect:

FLAW IN WELD METAL
FLAW IN HAZ
FLAW IN BASE METAL

Answer 4

FLAW IN BASE METAL

Question 5

What might cause SCATTERED POROSITY

Answer 5

Faulty welding technique or moist or contaminated materials

Question 6

What might cause CLUSTER POROSITY

Answer 6

Poor welding technique in WELD STOP OR START

Question 7

What might cause LINEAR POROSITY

Answer 7

Caused by CONTAMINATION CAUSING GAS EVOLUTION and usually appears between passed or at interfaces

Question 8

What is the general alignment of ELONGATED POROSITY

Answer 8

PARALLEL to the weld axis

Question 9

Which welding processes may produce unwanted INCLUSIONS

Answer 9

SMAW
FCAW
SAW
ESW
TIG

Question 10

Which welding processes may produce unwanted SLAG INCLUSIONS

Answer 10

SMAW
FCAW
SAW
ESW

Question 11

Name three problems with welding workmanship that may cause slag inclusions?

Answer 11

Poor cleaning between passes

Poor fit-up

Poor welding technique

Question 12

If the molten slag has a lower melting point and lower density than the molten weld metal,

Can the lack of preheat or cool adjacent base meta go live rise to the likelihood of trapped slag inclusions?

Answer 12

YES

Question 13

Which process may result in an inclusion OTHER THAN slag inclusions?

Answer 13

GTAW or TIG

Question 14

Other than within the weld metal,

Where might inclusions occur?

Answer 14

At the INTERFACE between the weld metal and base metal…

Eg. On the BEVEL or the LAND

Question 15

What is LOF

Answer 15

Lack Of Fusion
Or
Incomplete Fusion

Question 16

Where does Lack Of Fusion occur?

Answer 16

Between weld metal and fusion faces such as:

Weld metal to base metal
Weld metal interfaces

Question 17

Why does LOF occur?

Answer 17

Insufficient weld heat input

Lack of access due to weld joint geometry

Poor welding technique in manipulating the weld puddle

Lack of cleanliness at weld joint prep

Question 18

Regarding weld quality

What is IP?

Answer 18

Incomplete Penetration

Question 19

What might cause IP?

Answer 19

Insufficient weld heat input

Improper weld joint design

Improper control of welding arc

Poor WPS Development

Lack of needed root backgouging

Question 20

What NDT method/technique is best to determine if backgouging at root has been performed properly?

Answer 20

MT with hand-held AC Yoke using Visible Dry Powder

Question 21

What weld flaw has the acronym UC?

Answer 21

Undercut

Question 22

What might causes Undercut?

Answer 22

Excessive weld heat input

Too high weld travel speed
(this may be the cause when not allowing the time to deposit sufficient filler metal)

Too low travel speed
(This may be the cause when heat input is excessive, therefore a lower travel speed increases the amount of heat input)

Question 23

What causes the welding defect UNDERFILL?

Answer 23

Lack of full of the weld joint.

Additional pass(es) should be deposited as necessary to completely fill the weld joint

Question 24

Which weld process idea flux covered electrodes

Answer 24

SMAW

Question 25

Which welding process uses hard wire with Argon,cO2 or mixed shielding gas?

Answer 25

GMAW

Question 26

Which welding process uses a hollow wire filled with granulated flux

Answer 26

FCAW

Question 27

Define SMAW

Answer 27

Shielded Metal Arc Welding

Question 28

Define FCAW

Answer 28

Flux Cored Arc Welding

Question 29

Define GMAW

Answer 29

Gas Metal Arc Welding

Question 30

Define GTAW

Answer 30

Gas Tungsten Arc Welding

Question 31

Define SAW

Answer 31

Submerged Arc Welding

Question 32

Define ESW

Answer 32

Electro-Slag Welding

Question 33

# Define the elements of the following electrode designation # E7018

Answer 33

Electrode 70Ksi (70) All position (1) Flux composition (8)

Question 34

Which of the following would be a stress riser LAMINATION UNDERCUT POROSITY

Answer 34

UC

Question 35

Which welding code would the following structure be governed by: BRIDGE

Answer 35

AWS-D1.5

Question 36

What area of a weld will a crater crack be located?

Answer 36

At the weld STOP

Question 37

In the welding of a pipeline girth weld, | What is a "button"?

Answer 37

It is the overlap of the opposing weld cover passes One clockwise The other counter clockwise Generally overlapping at the 12:00 position

Question 38

What could be done to eliminate or at least reduce the potential for HAZ cracking?

Answer 38

PREHEAT

Question 39

Where is a lamination likely to be detected...after welding

Answer 39

Where transverse stress occurs directly adjacent to a CJP weld, due to through thickness weld shrinkage strain Eg. At a Tee-joint connection

Question 40

What NDT method/technique would best detect a LAMINATION

Answer 40

UT ZERO DEGREE STRAIGHT-BEAM

Question 41

What NDT method/technique would best detect a TOE CRACK

Answer 41

MT with a HAND-HELD AC YOKE

Question 42

Which of the two regulatory documents is an ANSI Standard? ASNT SNT-TC-1A Or ASNT CP-189

Answer 42

ASNT CP-189

Question 43

What is a CERTIFICATION

Answer 43

Written test among that an individual has met the requirements of a standard

Question 44

Define EDUCATION

Answer 44

An institutionalize D program, prescribed by appropriate authorities, that is offered by schools established for the sole purpose of providing instruction in an orderly planned and systematic fashion

Question 45

Define FORMAL TRAINING

Answer 45

An organized documented program of activities designed to impart knowledge and skills required to be qualified to a standard.

Question 46

Regarding NDT: | What does FORMAL TRAINING consist of?

Answer 46

Classroom, practical and programmed instruction, approved by the responsible Level III

Question 47

Per ASNT CP-189 | Qualification consist of what critical elements?

Answer 47

Training Training Course completion exam ensuring comprehension Documented Experience ``` Examination Vision General Specific Practical ```

Question 48

When do NDT Level 1 & 2 certifications expire as per CP-189?

Answer 48

Upon termination of employment On the last day of the month of expiration, at the end of five years from the date of examination

Question 49

What is CUI?

Answer 49

Corrosion Under Insulation

Question 50

What is a Shooter Sheet used to document?

Answer 50

UTT Wall Thickness Readings

Question 51

What does the acronym TWIC stand for?

Answer 51

Transportation Worker Identification Card

Question 52

Define the acronym | AWS

Answer 52

American Welding Society

Question 53

Define the acronym API

Answer 53

American Petroleum Institute

Question 54

Define the acronym PLI

Answer 54

Pipeline Integrity

Question 55

In regards to Pipeline Smartpigging | Define the acronym ILI

Answer 55

In-Line Inspection

Question 56

Define the acronym ASNT

Answer 56

American Society for | Non-destructive Testing

Question 57

For groove welding certification | What is the 1G position

Answer 57

FLAT

Question 58

For groove welding certification | What is the 2G position

Answer 58

HORIZONTAL

Question 59

For groove welding certification | What is the # designation for the VERTICAL position

Answer 59

3G

Question 60

For groove welding certification | What is the # designation for the CHINESE VERTICAL position WITH A RESTRICTER RING

Answer 60

6GR

Question 61

Which welding process uses Water Cooled backing bars/fit-up jigs

Answer 61

ESW ELECTRO-SLAG WELDING

Question 62

Who would perform a SAW weld? A Certified Weldor OR A Certified Welding Operator

Answer 62

A CERTIFIED WELDING OPERATOR Reminder: The Arc is not visible during Submerged Arc Welding

Question 63

How would you determine the actual refracted angle in Stainless Steel if using an angle beam wedge designed for use in Carbon Steel

Answer 63

Using Snell's Law, first determine the incident angle of the 70* CS wedge; Then use Snell's Law with the SStl mat'l velocity as Vel2.