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CWI Prep > Welding and Stuff Part A 1-50 > Flashcards

Welding and Stuff Part A 1-50 Flashcards

Practical

1
Q

A Delay in the production schedule to permit inspection is:

A) NDE

B) Hold Point

C) Preinspection

D) Reference Point

E) Arc Strike

A

B) Hold Point

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2
Q

A “Hot Work Permit” is required for:

A) All welding operations

B) All cutting

C) All preheating operations

D) Areas where a fire hazard may occur during a welding, cutting, or preheating operation

E) All of the above

A

D) Areas where a fire hazard may occur during a welding, cutting, or preheating operation

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3
Q

A metals ductility can be expressed as:

A) Percent elongation

B) Percent reduction of area

C) Proportional limit

D) A and B

E) B and C

A

D) A and B

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4
Q

A plug or slot weld, a dimension placed within the weld symbol would indicate:

A) Depth of filling

B) Slot weld width

C) Plug weld diameter

D) angle of countersink

E) None of the Above

A

A) Depth of filling

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5
Q

A Red Stripe on a tungsten electrode means:

A) Pure tungsten

B) 1% thoriated tungsten

C) 2% thoriated tungsten

D) zirconiated tungsten

E) None of the Above

A

C) 2% thoriated tungsten

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6
Q

As a metal is heated:

A) Energy is added to the structure

B) The atoms move further apart

C) The atoms vibrate more vigorously

D) The metal expands

E) All of the above

A

E) All of the above

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7
Q

Brazing has the following advantages:

A) Ease of joining thick sections

B) Ability to join dissimilar metals

C) Ability to join thin sections

D) A and B

E) B and C

A

E) B and C

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8
Q

Electric currents above approximately 6 milliamperes are considered:

A) Not harmful

B) Primary currents

C) Harmful

D) Secondary Currents

E) B and C

A

E) B and C

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9
Q

Employers must make all applicable MSDS data available to thier employees:

True or False

A

True

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10
Q

If you make a 72 on Part A, 60 on Part B, 78 on Part C (you must retake which part):

[all 3 average 70%]

A) Part A

B) Part B

C) Part C

D) All of the above

A

D) All of the above

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11
Q

In a single V-groove weld, the term for the sloped surfaces against which the weld metal is applied is:

A) Groove Angle

B) Groove Face

C) Bevel Angle

D) Root Face

E) Land

A

B) Groove Face

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12
Q

Information appearing above the reference line refers to the:

A) Near side

B) Arrow side

C) Far side

D) Other Side

E) None of the Above

A

D) Other Side

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13
Q

It is determined that a welding procedure is creating a excessive heat input. Which of the changes listed below would result in a reduction of heat input?

A) Decrease current

B) Decreate voltage

C) increase travel speed

D) change from weave to stringer bead technique

E) All of the above

A

E) All of the above

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14
Q

Looking at a cross section of a completed groove weld, the difference between the fusion face and the weld interface is called the:

A) Joint penetration

B) Root penetration

C) Effective throat

D) Depth of fusion

E) Depth of penetration

A

D) Depth of fusion

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15
Q

NDE Personel (other than CWI’s) are routinely certified to what document:

A) AWS QC1

B) AWS D1.1

C) API 1104

D) ASNT SNT-TC-1A

E) Certification is not needed

A

D) ASNT SNT-TC-1A

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16
Q

Notch toughness and impacth strength are not synonymous:

True or False

A

False

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17
Q

Of any welding symbol the primary element is:

A) Arrow side

B) Reference line

C) Weld symbol

D) tail

E) Arrow

A

B) Reference line

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18
Q

Personnel must be trained to recognize safety hazards

True or False

A

True

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19
Q

Some of the approved codes/ standards for Part C open book of the CWI exam are AWS D1.1, API 1104, AWS D1.5, AWS D15.1:

True or False

A

True

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20
Q

Spatter is caused by arc blow, current set too high, excessive arc length or:

A) Using wrong polarity

B) Welding without a flux

C) Welding in wide gap joints

D) Improper joint grooving

A

A) Using wrong polarity

21
Q

Surface preparation is not an important step in destructive testing.

True or False

A

False

22
Q

The ability of a metal to absorb energy is called:

A) Strength

B) Ductility

C) Hardness

D) Toughness

E) None of the above

A

D) Toughness

23
Q

The CWI certificate does not state what code the inspector used on the examination, rather the CWI is qualified to use any code:

True or False

A

True

24
Q

The CWI exam consists of what parts:

A) Fundamentals, practical, and code

B) Fundamentals, basic, and code

C) Basic, vision test, and fundamentals

D) Code, vision test, and practical

E) None of the above

A

A) Fundamentals, practical, and code

25
Q

The following uses a focused beam of electrons as a heat source for fusion welding:

A) EBW

B) ESW

C) EGW

D) A and C

E) None of the above

A

A) EBW

26
Q

The metal property affected by the surface condition of a sample is:

A) Tensile Strength

B) UTS (Ultimate Tensile Strength)

C) Hardness

D) Fatigue Strength

E) All of the Above

A

E) All of the Above

27
Q

The metal rod or wire that forms part of an electric circuit is called a/an:

A) Electrode

B) Weldment

C) Filler rod

D) TIG stick

A

A) Electrode

28
Q

The primary purpose of brazing flux is to:

A) Roughen joint surfaces

B) Wash away dirt and oil

C) Remove oxides

D) Provide chemical bonding

A

C) Remove oxides

29
Q

The property that describes the ability of a metal to deform when stressed is:

A) Strength

B) Toughness

C) Hardness

D) Ductility

E) None of the above

A

D) Ductility

30
Q

The symbol describes what type of weld:

A) Staggered intermittent fillet weld

B) Chain intermittent fillet weld

C) Segmented fillet weld

D) Intermittent fillet weld

E) None of the above

A

B) Chain intermittent fillet weld

31
Q

The type of alloying in which the alloy atoms are located in the spaces between the atoms of the parent metal is referred to as:

A) Atomic alloying

B) Substitutional alloying

C) Space alloying

D) Interstitial alloying

E) None of the above

A

D) Interstitial alloying

32
Q

The type of testing used to evaluate the type of microstructure present in metal is called:

A) Tensile

B) Hardness

C) Toughness

D) Metallographic

E) None of the Above

A

D) Metallographic

33
Q

The width of a cut is reffered to as the:

A) Gap

B) Dross

C) Kerf

D) Drag

E) None of the above

A

C) Kerf

34
Q

This is not a type of welding joint:

A) Corner

B) Fillet

C) Edge

D) Butt

E) T

A

B) Fillet

35
Q

To get full penetration, PAW uses what technique:

A) Stringer beads

B) Weave beads

C) Keyhole

D) Back-step

E) None of the Above

A

C) Keyhole

36
Q

What is the base unit (according to AWS) for measuring mass in the SI system:

A) Meter

B) Kilogram

C) Megapascal

D) Liter

E) None of the above

A

B) Kilogram

37
Q

What is the correct name for the metal joining process commonly called silver soldering:

A) Brazing

B) Silver fusion welding

C) Stainless brazing

D) Hard soldering

A

A) Brazing

38
Q

What is the most important quality of a welding inspector:

A) Graduation from a welding vocational program

B) An engineering degree

C) An associates degree

D) Proferssional attitude

E) Hold a certified welder certificate

A

D) Proferssional attitude

39
Q

When centering a weld symbol on the reference line, this indicates:

A) That the welder can put the weld on either side

B) That there is no side significance

C) That the designer doesn’t know where the weld should go

D) That the welder should weld in whatever position the weld is in

E) None of the above

A

B) That there is no side significance

40
Q

When it is possible to reposition the work, welds are easiest and simplest to make in the:

A) Flat position

B) Vertical position

C) Downhill position

D) Overhead position

A

A) Flat position

41
Q

When rapid cooling produces a martensitic structure, what sub-critical heat treatment may be applied to improve the ductility of the steel:

A) Quenching

B) Tempering

C) Annealing

D) Normalizing

E) None of the above

A

B) Tempering

42
Q

When the edges of two pieces of metal are heated until they flow together, the process is called:

A) Oxygen welding

B) Braze welding

C) Fusion welding

D) Fission welding

A

C) Fusion welding

43
Q

Which of the following are the proper base unit(s) for linear measurement in the U.S. system:

A) Yard

B) Inch

C) Foot

D) Mile

E) All of the Above

A

E) All of the Above

44
Q

Which of the following characteristics must be considered when welding aluminum:

A) Low melting point

B) High thermal conductivity

C) Oxide Coating

D) All of the above

A

D) All of the above

45
Q

Which of the following cutting processes can cut any metal:

A) OFC

B) CAC-A

C) PAC

D) A and B

E) B and C

A

E) B and C

46
Q

Which of the following tests are referred to as microhardness tests:

A) Rockwell

B) Vickers

C) Knoop

D) A and B

E) B and C

A

E) B and C

47
Q

Which of the following tests will generally be used to determine the behavior of a metal at a specific temperature:

A) Guided-bend test

B) Root-bend test

C) Charpy impact test

D) Transverse fillet weld shear test

E) All of the above

A

C) Charpy impact test

48
Q

Which of the symbols represents a groove weld with melt through:

A) 2

B) 3

C) 6

D) 7

E) None of the above

A

E) None of the above

49
Q

Which process is not considered an arc welding process:

A) SMAW

B) GMAW

C) FCAW

D) ESW

E) None of the Above

A

D) ESW

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