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final QT review
final QT review
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1
The property of metals that describes their ability to carry a load
ductility
Strength
Toughness
2
Which of the following is an advantage of x-ray over gamma ray sources for radiographic testing?
All
Portability
Required maintenance
Variable radiation energy
3
In order to use the alternative acceptance criteria within API 1104, the fracture toughness of the weld doing what test
Tensile test
Hardness (Vickers or Rockwell)
CTOD
CVN
4
What of the following is incorrect about a 7024 SMAW electrodes
its suitable for horizontal position
has a minimum tensile strength of 70 ksi
its suitable for flat position
its a low hydrogen type
5
_is the term that describes a fracture-type discontinuity characterized by sharp tip and a high ratio of length to width
Crack
Inclusion
Arc strike
Burn through
6
Thoroughly and concisely explain the difference between the terms
discontinuity
and
defect
.
A discontinuity is something wrong in the weld that has an allowable limit
A discontinuity is a mass of defects that disqualifies it
A defect is something wrong in the weld that has an allowable limit
A defect is a mass of discontinuities or discontinuity that disqualifies it
7
Which of the following NDE methods are limited to the detection of surface discontinuities?
MT and RT
PT and UT
VT and RT
VT and PT
8
Where should you measure for weld preheat
measure where the weld will be placed
3inches from where the weld will be placed
1/2inch from the weld will be placed
9
The intermixing of liquid penetrant materials of different types produced by different manufacturers is ___________.
Not ideal but should work in a pinch
OK with approval from CWI
Not recommended and prohibited by most codes
Common in the workplace
10
AWS D1.1 is not intended to be used for base metals:
Other than carbon steels
Other than carbon and low-alloy steels
Other than high strength low-alloy steels
11
What is the minimum amount of light needed to preform VT NDE examinations
1000 foot candles 10000lux
100 foot candles 1000lux
12
Which of the following are the two most common sources of radiation in industrial radiography?
X-rays and infrared rays
Microwaves and radio waves
Microwaves and gamma rays
X-rays and gamma rays
13
The property that describes the ability of metal to deform when under stress
strength
toughness
ductility
14
In eddy current testing, the main use of frequency is to ...
Optimize technician technique.
Determine testing speeds.
Calibrate the instrument.
Control depth of penetration.
15
Which of the following happens when you improperly disengage a SMAW arc
Crater Cracking
Porosity
Incomplete fusion
Slag Inclusions
16
What is the function of an emulsifier?
To remove excess penetrant
To develop indications with a post emulsifiable penetrant system
To make a post emulsifiable penetrant water washable
To assist penetration with a post emulsifiable penetrant system
17
If the ASNT SNT-TC-1A document is to be used, the "Written Practice" must be submitted to ASNT for approval.
True
False
18
The overhead fillet position is designated as
2F
4F
1F
5F
19
In general which is not a semi automatic process
GMAW
FCAW
SMAW
GTAW
20
Which liquid penetrant process is best suited for portable application in the field?
Post emulsifiable
Fluorescent
Solvent removable
Water washable
21
The first operation required by the below symbol is:
Back gouging and back welding from the arrow side of the joint
Welding a V-groove from the other side of the joint
Visual inspection of the joint preparation
Ultrasonic inspection of the base material
22
In the solvent removable penetrant process, excess penetrant is removed with:
A water spray
Clean, lint free towels slightly moistened with solvent
A hydrophilic scrubber
A solvent spray
23
Eddy currents cannot be induced in:
Latex paint
Aluminum
Copper
Steel
24
The width of the cut is referred to as the
Kerf
Gap
Dross
Loss
25
Which of the following can cut any metal
CAC-A
CAC-A and OFC
PAC
OFC
26
The _____________ involves the welder or welding operator producing a test coupon using an approved WPS.
PQR
WPQ
PSP
WPS
27
If you increase your arc length when welding SMAW what happens to the Current and Voltage
The Current decreases and the Voltage Increases
The Current Increases and the Voltage decreases
28
What is D on the image below
The first back surface reflection
The second discontinuity signal or indication
The second back surface reflection
The first discontinuity signal or indication
29
Is SMAW a CV or a CC application
CC
CV
30
Is FCAW a CV or CC application
CV
CC
31
What is the Magnetic particle testing rule that describes Magnetic field lines
Flux density Rule
Right hand Rule
Flux concentration Rule
Reluctance rule
32
Excessive weld metal buildup on a groove weld is referred to as:
Overfill
Excess convexity
All
Excess weld reinforcement
33
Which of the following is considered to be the most portable method of magentaion particle testing
AC coil
AC Yoke
DC prod
DC coil
34
What is the proper location within ASME BPVC Section IX to find information for the performance qualification tests
Article I (QB-100)
Article III (QW-300)
Article III (QB-300)
Article II (QB-200)
35
Porosity generally appears in RT as:
Light regions on the film
Porosity does not show on the film
Light or dark regions on the film
Dark regions on the film
36
Eddy current flow is virtually undisturbed by discontinuities oriented _____________ to their flow paths.
Parallel
Perpendicular
37
When the full length of a part is to be examined, no length dimension need be included in the NDE symbol.
True
False
38
Which NDE method uses signals above the audible frequencies?
UT
ET
RT
PT
39
Time-of-flight diffraction (TOFD) is a form of _____________.
UT
ET
RT
MT
40
Is GTAW a CC or CV application
CC
CV
41
The important difference between AC and DC magnetic fields in MP testing
The skin effect caused by DC adds mobility to the magnetic particles
The resulting AC fields are harder to demagnetize
AC fields are stronger than DC fields
The DC fields are more penetrating
42
The below image illustrates what type of porosity:
Aligned porosity
Elongated porosity
Scattered porosity
Piping porosity
43
What level NDE technician develops NDE methods and chooses equipment
Level l
level lV
level ll
level lll
44
Tungsten inclusions generally appear in RT as:
Light or dark regions on the film
Light regions on the film
Dark regions on the film
Tungsten inclusions do not show on the film
45
Non-relevant indications are a result of:
Non-compliance with procedure or through the examiner’s carelessness
Normal or known conditions in the part or material
True discontinuities
46
___ is the term which describes a root condition in a groove weld, in which weld metal does not extend through the joint
Incomplete penetration
Overlap
Crack
Incomplete fusion
47
In radiographic testing, contrast is defined as the comparison between ___________ on different areas of the radiograph.
Sharpness
Latitude
Density
Sensitivity
48
Which of the following is not one of the three levels of AWS certification of welding inspection personnel?
Senior Certified Welding Inspector (SCWI)
Certified Associate Welding Inspector (CAWI)
Certified Welding Inspector (CWI)
Level III
49
Which of the following discontinuities would most likely be detected when performing an eddy current test?
A radial crack that extends to the outer surface of a rod.
A surface crack that lies parallel to the direction of eddy current flow.
A subsurface radial crack located at a depth of 0.25-in. in a 2-in.
A discontinuity located in the center of a 2-in. diameter aluminum rod.
50
in pipe groove welding the 45-degree fixed position is designated as
2G
1G
6G
5G
51
Couplant is required for:
Immersion UT
Angle beam UT
All
Contact UT
52
Which of the following is not a part of the AWS CWI examination?
Practical
Fundamentals
Welding Test
Code Book
53
Magnetic lines of flux which are parallel to a discontinuity produce
fuzzy indications
no indications
strong indications
weak indications
54
In eddy current testing what is the type of frequency applied to the coil
Direct current (DC)
Mid frequency direct current (MFDC)
Alternating current (AC)
High frequency direct current (HFDC)
55
The __ portion of the AWS CWI exam serves to verify the applicant’s ability to visually identify welding discontinuities
Code Book
Weld Test
Practical
Fundamentals
56
In PT, inspection sensitivity is greater using _____________.
Type V penetrants
Type II penetrants
Type I penetrants
Type VI penetrants
57
AWS D1.1 is not intended to be used for steels:
<0.25 inch thickness
<0.125 inch thickness
>0.25 inch thickness
>0.125 inch thickness
58
A radiograph indication in a single V-groove weld, characterized by 2 parallel dark lines in film image what is the flaw
Incomplete penetration
Slag inclusions
Lack of fusion
Tungsten inclusions
59
Which UT technique would most likely be used to examine a weld, with the weld cap still in place?
Straight beam testing
Angle beam testing
Through-transmission testing
Normal beam testing
60
Which of the following only find surface level discontinuities
PT
VT
VT and PT
RT
61
In ultrasonic testing, a liquid coupling medium between the transducer and the part surface is necessary because:
To remove an air interface between the transducer and the part surface
Lubricant is required to minimize wear on the transducer surface
The transducer will not vibrate
The liquid is necessary to complete the circuit in the UT instrument
62
For direct contact magnetic field is oriented in what direction relative to expected discontinuities
Parallel
90 degrees
63
According to AWS D1.1, which of the following is not a prequalified process:
SMAW
SAW
GMAW-S
GMAW-P
64
____ is the term which describes the metal particles expelled during fusion welding that do not form a part of the weld.
Inclusion
Incomplete penetration
Crack
Spatter
65
Which discontinuities, planar or volumetric, are more challenging to detect with NDE? Why is this the case?
Volumetric is harder cause they can be sub-surface and not findable
Planar Is harder cause it is harder to find the fine cracks in the weld
66
For Direct contact magnetizing methods, the current should be flowing in what direction relative to discontinuities
Parallel
90 degrees
67
The below NDE symbol indicates:
MT examination is to be performed on the other side of the part
MT examination is to be performed all around the part
MT examination is to be performed in the field
MT examination is to be performed on the arrow side of the part
68
what angle should eyes be at to properly examine a piece in a VT test
45 degrees
30 degrees
35 degrees
90 degrees
69
ASNT SNT-TC-1A: "It is recognized that these guidelines may not be appropriate for certain employers what should be done
The employer must change its operations to conform with the guidelines.
The employer should review detailed recommendations and modify them as need
The employer must seek relief from ASNT for inappropriate applications.
employer shall submit an inquire in writing directed to the ASNT SNT-TC-1A
70
AWS D1.1 is intended to be used on pressure vessels and pressure piping.
True
False
71
Direct VT is performed when access is sufficient to place the eye within __ of the surface being examined
6-24 inches
24-36 inches
6-12 inches
72
The two main concerns with welding on in-service pipelines are:
Tensile strength of pipe material and fittings
Fit-up and weld seqence
Yield strength of pipe material and fittings
Burn through and hydrogen cracking
73
To become an AWS CAWI you must achieve a _____________ minimum score on each part of the exam.
65%
80%
72%
60%
74
ASME BPVC Section IX applies to:
Structural welding applications (carbon and low-alloy steel only).
qualification of brazers and brazing operators, and the procedures employed
qualification of welders and welding operators, and the procedures employed
qualification of welders, brazers and welding, brazing and fusing operators
75
The penetrating power of an x-ray machine is indicated by:
Anode current
Milliamperage
Tube voltage
Filament current
76
According to ASME BPVC Section IX, ----- are those in which a change is considered to affect the mechanical properties
Essential variables
Supplementary essential variables
Mandatory variables
Non-essential variables
77
Nick-break test specimen are associated with which code and/or standard?
AWS D1.1
ASME BPVC Section IX
API 1104
ASNT SNT-TC-1A
78
ASME BPVC Section IX, are required when impact testing is specified and in addition to the essential variable
Non-essential variables
Essential variables
Non-mandatory variables
Supplementary essential variables
79
The CWI exam requires that the AWS D1.1 the be used on the open book test
True
False
80
When performing UT inspection the ability to separate signals from reflectors close together within a specimen is called
Resolution
Accuracy
Sensitivity
Attenuation
81
API 1104 covers the following materials:
Low-alloy steel piping.
Nickel-base structural alloys.
Carbon steel piping.
Carbon and low-alloy steel piping.
82
Which of the following is not within the scope of activities of a Level 2 individual, as recommended in ASNT SNT-TC-1A?
Provide on-the-job training and guidance
Establish techniques
Prepare written reports for inspections performed
Calibrate equipment
83
accordance with ASNT SNT-TC-1A, certification of NDE personnel to all levels of qualification is the responsibility of
The employer
AWS
ASNT
ASME
84
Fields generated in ferromagnetic materials with AC current are useful for locating?
surface cracks
all discontinuities
85
Is GMAW a CV or CC application
CV
CC
86
A Wire IQI is used in which NDE Method
RT
UT
ET
PT
87
The flux
Dexidation
Arc stablization/ Alloying
All of the above
Gas shielding for the motlen puddle
88
The below NDE symbol indicates:
PT examination is to be performed on the other side of the part
PT examination is to be performed on the arrow side of the part
PT examination is to be performed in the field
PT examination is to be performed all around the part
89
LT is the abbreviation for
leak testing
Liquid penetrant testing
Lender test method
Liquid test inspection
90
For setting stick electrodes what is the current to diameter on stick electrodes
Current: 1 amp per 0.1” diameter or thickness
Current: 1 amp per 0.001” diameter or thickness
Current: 1 amp per 1” diameter or thickness
Current: 1 amp per 0.01” diameter or thickness
91
Porosity and inclusions are examples of _____________ discontinuities.
Volumetic
Shrinkage
Transverse
Planer
92
Which of the following is the only one where developer is used
MT
UT
PT
RT
93
Lamination discontinuities in the base metal are generally _____________ to the outer plate surface.
Perpendicular
Parallel
Right angle
94
If no information appears to the left of a groove weld symbol, this means;
The weld is to be continous for the entire length of the joint
Beveling is not required
The weld is complete joint penetration
No Weld is required on that side
95
A --- is the demonstration of a welder’s ability to produce welds meeting prescribed standards.
PSP
PQR
WPQ
WPS
