Brainscape's Knowledge GenomeTM

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


See full index

CWI Prep > Welding and Stuff Part A 51-100 > Flashcards

Welding and Stuff Part A 51-100 Flashcards

Practical

1
Q

Which metal properties are directly related:

A) Conductivity and strength

B) Strength and Ductility

C) Strength and Hardness

D) Ductility and Toughness

E) C and D

A

E) C and D

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

Which of the following is not a method used to eliminate or reduce residual stress:

A) Vibratory stress relief

B) External restraint

C) Thermal stress relief

D) Peening

E) Annealing

A

B) External restraint

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

*With respect to the rolling direction of steel plate manufacture, which statement is true:

A) The Strength is highest in the X direction

B) The Strength is highest in the Y direction

C) The Strength is lowest in the X direction

D) The Strength is lowest in the Y direction

E) The Strength is highest in the Z direction

A

A) The Strength is highest in the X direction

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

50 lb can of welding electrodes weighs how many kg?

A) 227 kg

B) 25 kg

C) 22.7 kg

D) 23000 kg

E) None of the above

A

C) 22.7 kg

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

A problem occuring in weldments caused by the non-uniform heating produced by the welding operation:

A) Porosity

B) Incomplete Fusion

C) Distortion

D) Slag Inclusions

E) None of the above

A

C) Distortion

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

A tensile specimen having a cross sectional area of .25 sq in breaks at a load of 15.250 lbs. What is the tensile strength? (Tensile Strength= Load/Area):

A) 3,813 psi

B) 61,000 psi

C) 6,100 psi

D) 58,500 psi

E) None of the above

A

B) 61,000 psi

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

Acetalyne becomes unstable above what pressure:

A) 5 psi

B) 10 psi

C) 15 psi

D) None of the above

A

C) 15 psi

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

Before starting a job assignment, the welding inspector should have an understanding:

A) What code, standard, or specification applies

B) What inspection should be conducted

C) When inspections should be conducted

D) Where records are maintained

E) All of the above

A

E) All of the above

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

Endurance limit is an expression used for what type of testing:

A) Fatigue

B) Hardness

C) Soundness

D) Tension

E) None of the above

A

A) Fatigue

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

For best results, a braze joint should have:

A) Clean joint surface

B) A small clearance between pieces being joined

C) A large surface area for the joint area

D) Heat source

E) All of the above

A

E) All of the above

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

For plain carbon steels, their approximate tensile strength can be estimated by multiplying their BHN by:

A) 300

B) 500

C) 200

D) 400

E) 100

A

B) 500

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

For the portion of a single bevel butt joint where the two pieces to be joined come closest together is:

A) Radius

B) Joint root

C) Bevel angle

D) Groove angle

E) None of the above

A

B) Joint root

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

How does brazing differ from welding:

A) No filler metal used

B) An oxyfuel flame is used

C) The base metal is not melted

D) All of the above

E) None of the above

A

C) The base metal is not melted

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

How many preheat flame cones will appear if the cutting tip has 7 orifices:

A) 6

B) 5

C) 4

D) 3

A

A) 6

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

Hydrogen in the molten weld metal can cause:

A) Undercut

B) Overlap

C) Cracking

D) Porosity

E) C and D

A

E) C and D

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

If you make 72 on Part A, 78 on Part B, and 70 on Part C (You must retake which part)

A) Part A

B) Part B

C) Part C

D) All of the above

A

C) Part C

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

In order for communications to be effective, it should for a “continuos loop”

True or False

A

True

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

In oxygen cutting operation, one of the major safety hazards is the danger of:

A) Falling objects

B) Sparks and hot metal

C) Electrical shock

D) Burning flux flames

A

B) Sparks and hot metal

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

Is typically used in the flat position unless a special apparatus is employed:

A) GMAW

B) SAW

C) FCAW

D) SMAW

E) GTAW

A

B) SAW

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

Lock, Tag, and Ty procedure should be completed before working on equipment where machinery guards have been removed.

True or False

A

True

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

Notch toughness and impact strength are not synonymous.

True or False

A

False

22
Q

Some toxic materials the welder may be exposed to are:

A) Cadmium

B) Chromium

C) Nickel

D) Lead

E) All of the above

A

E) All of the above

23
Q

Subarc and ESW processes are similar in that:

A) Both are arc welding processes

B) Both are shielding gases

C) Both use granular flux, which becomes molten

D) A and B

E) A and C

A

C) Both use granular flux, which becomes molten

24
Q

The CWI exam contains 3 parts (Part A, B, and C)

True or False

A

True

25
Q

The fillet weld break test is used to evaluate the:

A) Quality of the fractured weld

B) Ductility of the weld metal

C) Impact strength of the weld

D) Tensile strength of the base metal

E) None of the above

A

A) Quality of the fractured weld

26
Q

The required spot weld size parameter can be shown as:

A) A dimension to the right of the symbol

B) A dimension of the required nugget diameter

C) A value for the required shear strength per spot

D) A or B

E) B or C

A

E) B or C

27
Q

The term for the junction between the weld face and the base metal is:

A) Leg

B) Weld reinforcement

C) Toe

D) Root

E) Weld Edge

A

C) Toe

28
Q

The type of weld applied to the opposite side of a joint before a single V-groove weld is completed on the near side of a joint is:

A) Melt-through weld

B) Backing weld

C) Back weld

D) Root weld

E) None of the above

A

B) Backing weld

29
Q

The type of weld configuration formed when the length of a round bar is placed parallel against a flat surface is:

A) Double flare bevel groove

B) Single flare V groove

C) Edge flange

D) Corner flange

E) None of the above

A

A) Double flare bevel groove

30
Q

The welding inspector is not concerned with the mechanical and chemical properties of metals.

True or False

A

False

31
Q

The welding symbol shows the use of what type of completed weld:

A) Single bevel-groove weld with backing weld

B) Single bevel-groove weld with back weld

C) Single V-groove weld with backing weld

D) Single V-groove weld with back weld

E) None of the above

A

C) Single V-groove weld with backing weld

32
Q

The yield strength of a material is determined by:

A) Impact testing

B) Tensile testing

C) Hardness testing

D) The offset method

E) B and D

A

E) B and D

33
Q

There is an increasing need for weld quality because of:

A) Safety

B) Economics

C) Less conservative design

D) Government regulations

E) All of the above

A

E) All of the above

34
Q

To successfully complete the CWI exam, individuals must pass all three parts with at least:

A) 70%

B) 72%

C) 75%

D) 78%

A

A) 70%

35
Q

To successfully complete the CWI exam, individuals must pass all three parts with at least:

A) 70%

B) 72%

C) 75%

D) 78%

A

A) 70%

36
Q

Very slow cooling of steel may result in the production of a soft, ductile microstructure which has a lamellar appearance when viewed under magnification. This structure is referred to as:

A) Martensite

B) Pearlite

C) Bainite

D) Ferrite

E) Cementite

A

B) Pearlite

37
Q

Weld quality control should only begin after welding has been started.

True or False

A

False

38
Q

Welding inspectors must often communicate with who:

A) Welders

B) Supervisors

C) Welding engineers

D) Members of management

E) All of the above

A

E) All of the above

39
Q

What elements are required in a welding symbol?

A) Reference line

B) Weld symbol

C) Arrow

D) All of the above

E) A and C

A

E) A and C

40
Q

What gases can be used with GMAW process:

A) Carbon dioxide

B) Argon-oxygen

C) Argon-carbon dioxide

D) Argon

E) All of the above

A

E) All of the above

41
Q

What is the purpose of the coated electrodes for SMAW

A) Forms gas shield

B) Produces slag covering

C) Supplies filler metal

D) All of the above

A

D) All of the above

42
Q

What protective equipment is not suitable for eye protection from welding radiation:

A) Welding helmet with filter plates

B) Clear safety glasses

C) Safety goggles with filter plates

D) Protective screens

E) Properly positioned barricades

A

B) Clear safety glasses

43
Q

When 2 pieces to be joined lie in parallel planes and their edges overlap is called:

A) Lap

B) Edge

C) Butt

D) Corner

E) T

A

A) Lap

44
Q

When entering confined spaces, a “standby” is not required just as long as someone knows where you are at.

True or False

A

False

45
Q

Which alloying element is commonly added to steel to improve its corrosion resistance:

A) Carbon

B) Aluminum

C) Silicon

D) Chromium

E) None of the above

A

D) Chromium

46
Q

Which of the following is not a method used to eliminate or reduce residual stress:

A) Vibratory stress relief

B) External restraint

C) Thermal stress relief

D) Peening

E) Annealing

A

B) External restraint

47
Q

Which of the following is not considered a soundness test:

A) Fillet break

B) Root bend

C) Nick break

D) Face bend

E) Hardness

A

E) Hardness

48
Q

Which of the following represents a potential hazard while brazing:

A) Fumes

B) Fluxes

C) Bright light

D) All of the above

A

D) All of the above

49
Q

Which test is not considered a soundness test?

A) Fillet break

B) Root bend

C) Nick break

D) Face bend

E) Hardness

A

E) Hardness

50
Q

You must have a high school diploma to become a CWI or you would be denied your certification.

True or False

A

False

CWI Prep (10 decks)

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