Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CWI > Practice Test 1 > Flashcards

Practice Test 1 Flashcards

1
Q
A

DWE/SWV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which brazing filler metal can be used with all alloys?

A

BAg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which discontinuity cannot be used by traveling too fast?

A

Porosity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
A

Internal Undercut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which gases may be used for shielding when using the GTAW process?

A

Argon and Helium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
A

1G

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What doesn’t necessarily increase the deposition rate?

A

Increased Voltage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

PT developer times are usually in the range of:

A

10 minutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Minimum penetrant dwell times are usually:

A

5-60 minutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What class of fire extinguisher is ordinary combustibles such as wood and paper?

A

A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Arc blow can be caused by:

A

Improper grounding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Whose responsibility is it to verify and keep inspection records?

A

The company

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The amount of amperage used for magnetic particle inspection using prods is based on the distance between the prods and the:

A

Thickness of the part

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The LEL for acetalyne is

A

2.5%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which of the following is not an example of a standard finishing method?

A

Drilling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

At 12 inches, the normal visual acuity of the human eye is:

A

.003 inches wide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The two common types of welding arc blow are:

A

Thermal and magnetic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The suggested format for inspection reports can be found:

A

In the annex of the code being followed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

High alloy steels have alloying levels in access of:

A

10%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Which of the following materials cannot be tested by magnetic particle techniques?

A

Copper alloys

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

A rolled plate will have the highest tensile strength in which direction?

A

In the direction of rolling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Welding shirts should be made of which of the following materials?

A

Chemically treated cotton

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Bend test specimen may be taken and prepared in all of the following ways except:

A

Longitudinal root and face

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Prequalified WPS’s are filled out in accordance with which code or standard?

A

AWS D1.1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Which type of screen presentation displays the amount of received ultrasonic energy as a function of time?

A

A-scan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q
A

Lead

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

In, GMAW, the “cast” of the wires refers to what?

A

The natural curve of the wire

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

The welding inspector may do all of the following except:

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

To whom is the inspectors first responsibility?

A

The public

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Test have shown that welding fume control is more effective when the air flow is

A

Across the face of the welder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

The reference line and arrow, along with any other elements used to convey specific welding information, is known as the _________ symbol:

A

Welding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Why should acetalyne cylinder valves never be opened more than one full turn?

A

So that it may be closed quickly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Which of the following amperages would be appropriate for making a fillet weld on 1/2 “ thick plate using 1/8” diameter 7018 electrode?

A

120 amps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q
A

Scarfing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q
A

None of these

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Which of the following terms does not specify the direction of travel when welding?

A

Overhand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

The melting point of carbon steel is how many degrees Fahrenheit?

A

2,780

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Who’s responsibility is it to ensure that the welding procedures have been properly qualified?

A

The welding inspector

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Low alloy steels commonly have an alloy range of:

A

1-5%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

The light intensity required for critical visual inspection is:

A

A minimum of 100 foot-candles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Which of the following gases cannot be used for TB?

A

Nitrogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q
A

5F

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q
A

.565 inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q
A

Single pass welds only

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

A broken surface is being observed. A small pore or inclusion type discontinuity appears as a round bright area. Which of the following best defines this discontinuity?

A

Fisheye

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q
A

3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

In order to generate measurable eddy currents in a test specimen, the specimen must be:

A

An electrical conductor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Combustible metal fires can be extinguished with what class of fire extinguisher?

A

D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Eddy currents are circulating electrical currents induced in conductive materials by:

A

An alternating magnetic field

50
Q

Which code governs the qualification of procedures and welders for boiler and pressure vessels?

A

ASME Sec. IX

51
Q

A welder may be tested by all but which of the following means?

A

Charpy impact test

52
Q

A selective soldering process where two pre-fluxed, solder coated parts are heated with a heating element to a temperature to melt the solder is called:

A

Hot-bar reflow soldering

53
Q

Excessive spatter on a weldment may be caused by all of the following except:

A

Excessive amperage

54
Q

When an NDE technician rejects a weld, the welding inspector should:

A

Review the results

55
Q

Whose responsibility is it to ensure that welding procedures have been properly qualified?

A

The welding inspector

56
Q

For a manual welding process, a decrease in arc length will cause:

A

A decrease in voltage

57
Q

In which magnetizing method is the current passed directly through the part, thereby setting up a magnetic field at right angles to the current flow?

A

Circular magnetization

58
Q

All of the following are considered an arc welding process except:

A

RSW

59
Q

What element of the eye is analogous to the film of a camera, receiving and documenting an image of the world?

A

Retina

60
Q

The number of cycles per second is the definition of:

A

Frequency

61
Q

Who is involved in making a a weld inspection plan?

A

Quality control

62
Q

Eye and face protection shall comply with:

A

Z87.1 NOT Z48.1

63
Q

When is it acceptable to revise a Procedure Qualification Report?

A

Never

64
Q

The individual symbols used on drawings, project specifications, and welding procedure specifications to convey design specifications for welds are known as ____________ symbols.

A

Weld

65
Q

Where should preheat temperature be measured?

A

3 inches from the point of welding

66
Q

Which material properties are directly related?

A

Strength and hardness

67
Q

Which material properties are inversely related?

A

Strength and toughness

68
Q

If there is no dimension on the left of a groove weld symbol, the weld:

A

Extends the full thickness of the joint

69
Q

Which of the following cannot cause embrittlement in carbon steels?

A

Argon and carbon dioxide

70
Q

Which best describes the operation where a welder or welding operator has control of a molten weld pool using a side to side motion that is transverse to the travel direction?

A

Weaving

71
Q

What cable size is required for a 50ft long, 200 amp, copper welding lead?

A

2

72
Q

It is determined that a welding procedure is creating an excessive heat input. Which of the following changes would not result in a reduction of heat input?

A

Decrease preheat

73
Q
A

CJP T-joint

74
Q

The welding position where both the axis of the weld and the weld face are approximately horizontal is called:

A

Flat

75
Q

What discontinuity is shown in this radiograph?

A

Misalignment

76
Q

A process such as air carbon arc cutting and plasma arc cutting can cause sparks to travel in excess of:

A

35 feet

77
Q

Which test involves a tensile specimen under a constant load maintained at a constant temperature with measurements of strain recorded over a period of time?

A

Creep test

78
Q

When using a 7018 electrode, too long of an arc length will most likely cause:

A

Porosity

79
Q

The fusion welding process in which the filler metal is resistance heated by current flowing through the wire as it is fed into the weld pool is referred to as:

A

Hot wire welding

80
Q

Of the following, which may be considered mandatory?

A

Codes, standards, and specifications

81
Q

Ventilation should not produce more than approximately:

A

100 FPM at the work

82
Q
A

Square is not a contour finish

83
Q

Subjecting a part to a magnetic field that is constantly reversing polarity and gradually diminishing in strength accomplishes which of the following?

A

Demagnetizes the part

84
Q

Which material properties are directly related?

A

Ductility and Toughness

85
Q

A soldering discontinuity that has a crystalline structure that may grow from mostly pure tin or zinc on finished surfaces is referred to as:

A

Tin whiskers

86
Q

The commonly used flux in brazing and braze welding of ferrous metals is:

A

Borax

87
Q

Which welding process may use a constant current?

SMAW, SAW, GTAW and SAW

A

All of these

88
Q

Magnetic lines of force (magnetic fields) are oriented in what direction in relation to the direction of the magnetizing current?

A

At right angles

89
Q

White light intensity at the surface of the part when using fluorescent inspection techniques should be:

A

A maximum of 2 foot candles

90
Q

The LEL for Acetlayne is:

A

2.5 %

91
Q

Which type of screen presentation displays a plan-type view of the location and size of the test specimen features?

A

C-scan

92
Q

Which code governs the welding of Boilers and Pressure Vessels?

A

ASME Sec. VIII

93
Q
A

Consumable insert

94
Q
A

All correct

95
Q

How can one tell if a single-phase ac machine is connected to the same phase of supply circuit with the same instantaneous polarity?

A

A voltmeter

96
Q

What magnifying power is typically available for field, pocket, pen, or measuring microscopes that are small and handheld?

A

10X-50X

97
Q

Potential hazards of brazing furnaces are:

A

Asphyxiation and explosive mixtures

98
Q

Which of the following electrodes should be used to weld stainless steel to carbon steel?

309, 304, 308, 316

A

309

99
Q

Whose responsibility is it to verify and keep inspection records?

A

The company

100
Q

The major difference between ESW and EGW is:

A

ESW relies on slag conduction; EGW uses arc conduction

101
Q

Killed steels are those steels:

A

Which are deoxidized with aluminum, ferrosilicon, and manganese

102
Q

What NDE method is shown here?

A

Visual liquid penetrant

103
Q
A

Study this one good cus it don’t make sense fam

104
Q

Which is a test in which a specimen is prepared with a fine finish , etched and examined using no or low magnification?

A

Macroetch Test

105
Q

All of the following are highly toxic materials with exposure limits of less than or equal to 1.0 mg/m3 except:

A

Aluminum

106
Q

Wrought iron is a:

A

Commercially available pure iron

107
Q

The test involving the use of a torque wrench and a stand-off sleeve is used to test:

A

Threaded studs

108
Q
A

None of these

109
Q

The tendency of a material to deform very little before failing suddenly is:

A

Brittleness

110
Q

The classification E71T-8

A

Has all position capabilities, DCEN, single or multi pass welding, flux cored electrode

111
Q

Which of the following documents has legal status by definition?

A

Codes

112
Q

Which penetrant method is easiest to use in the field?

A

Visible dye, solvent removable

113
Q
A

Excessive penetration

114
Q

Post-emulsifiable penetrants:

A

Require a separate emulsifier to break down and make it water washable

115
Q

Which of the following test methods may not be used for procedure qualification testing?

Nick-break, Tensile, Radiography, Liquid Penetrant

A

Liquid Penetrant

116
Q

The welding inspector shall:

A

Conduct Audits, perform inspection to procedures and processes, supervise and train AWI’s and more

117
Q

According to AWS QC1: 2016 an applicant for the CWI exam must have 5 years of experience in an occupational function that has a direct relationship to welded assemblies.

A

False

118
Q

Which of the following cutting processes use electricity?

A

PAC and CAC-A

119
Q

The active element of most acoustic transducers used today is:

A

Piezoelectric ceramic

120
Q

When using GTAW, an increased arc length will cause what?

A

Higher voltage

121
Q

The ability to locate discontinuities that are closer together within the material is called:

A

Resolution

122
Q

Im GMAW, the distance from the end of the contact tip to the arc is called:

A

Electrode Extension

CWI (15 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions