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CWI Prep > Welding and Stuff Part A 101-150 > Flashcards

Welding and Stuff Part A 101-150 Flashcards

1
Q

A graphic description of the type of weld is called the:

A) Tail

B) Welding symbol

C) Weld symbol

D) Arrow

E) None of the above

A

C) Weld symbol

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2
Q

A green stripe on a tungsten electrode denotes:

A) Pure tungsten

B) 1% thoriated tungsten

C) 2% thoriated tungsten

D) Zirconiated tungsten

E) None of the above

A

A) Pure tungsten

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3
Q

A number in parentheses just above/below the weld symbol in a welding symbol for slot welds describes:

A) The length of the weld

B) The type of the weld

C) The number of welds required

D) The type of electrode to use

E) None of the above

A

C) The number of welds required

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4
Q

A number in parentheses just above/below the weld symbol in a welding symbol for slot welds describes:

A) The length of the weld

B) The type of the weld

C) The number of welds required

D) The type of electrode to use

E) None of the above

A

C) The number of welds required

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5
Q

A number not in parenthesis to the left of the groove weld symbol in a welding symbol refers to the:

A) Depth of bevel

B) The length of the weld

C) The weld quality standard

D) The weld procedure to use

E) None of the above

A

A) Depth of bevel

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6
Q

A triangular-shaped weld symbol represents what type of weld:

A) V-groove

B) Flange groove

C) Fillet weld

D) Bevel groove

E) Flare groove

A

C) Fillet weld

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7
Q

A weld joint is measured and found to be 345 mm long. How long is that joint in terms of inches?

A) 13.58”

B) 13”

C) 876”

D) 135”

E) 8760”

A

A) 13.58”

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8
Q

API 1104 covers the fabrication of bridges and buildings.

True or False

A

False

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9
Q

AWS D15.1:

A) AWS bridge wedling code

B) AWS railroad welding code

C) AWS structural welding code

D) AWS standard welding terms and definitions

A

B) AWS railroad welding code

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10
Q

In charpy testing, the test data can be reported as:

A) Foot pounds energy absorbed

B) Lateral expansion

C) Percent shear

D) All of the above

E) Offset data

A

D) All of the above

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11
Q

In the welding symbol below, the supplementary symbol shown on the other side location represents:

A) Back weld

B) Backing weld

C) Melt-through of weld from arrow side

D) A and C

E) B and C

A

C) Melt-through of weld from arrow side

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12
Q

In which arc welding process is a continuous consumable wire electrode used?

A) GMAW

B) GTAW

C) SMAW

D) All of the above

A

A) GMAW

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13
Q

Of the following which is not an essential part of a typical SMAW system:

A) Constant current power supply

B) Wire feeder

C) Covered electrode

D) Electrode lead

E) Work lead

A

B) Wire feeder

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14
Q

Solidification cracking due to improper width-depth ratio of the weld bead is a serios problem primarily with which welding process?

A) SMAW

B) OFC

C) SAW

D) All of the above

E) None of the above

A

C) SAW

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15
Q

The abbreviation MSDS means:

A) Management Support and Daily Safety

B) Material Strength and Discontinuity Sheet

C) Material Safety Data Sheet

D) Material Strength and Data Sheet

E) None of the above

A

C) Material Safety Data Sheet

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16
Q

The brinell hardness test is always a destructive test.

True or False

A

False

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17
Q

The leg and the size on a fillet weld are the same for what type of configuration?

A) Unequal leg fillet

B) Convex weld

C) Oversize weld

D) Effective throat

E) Concave weld

A

B) Convex weld

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18
Q

The most important component of an effective safety and health program is:

A) Safety rules

B) Safety procedures

C) Protective equipment

D) Welding helmet

E) Management support

A

E) Management support

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19
Q

The number apperaing to the right of the spot weld symbol refers to:

A) Spot weld size

B) Spot weld length

C) Number of spots required

D) Pitch distance between adjacent spots

E) None of the above

A

D) Pitch distance between adjacent spots

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20
Q

The offset method is used for determining which property?

A) Tensile strength

B) Impact strength

C) Fatigue strength

D) Yield strength

E) Hardness

A

D) Yield strength

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21
Q

The part of the welding symbol which can be used to convey any additional information that cannot be shown otherwise is referred to as:

A) The weld symbol

B) The arrow

C) The reference line

D) The tail

E) None of the above

A

D) The tail

22
Q

The property of metals that describe their resistance to indentation is called:

A) Strength

B) Toughness

C) Hardness

D) Ductility

E) None of the above

A

C) Hardness

23
Q

The result of a distorted magnetic field that deflects the welding arc is:

A) Cracks

B) Short circuiting

C) Arc blow

D) Insufficient welding current

E) All of the above

A

C) Arc blow

24
Q

AWS standard A3.0 covers:

A) Filler metal specification

B) Standard welding terms and definitions

C) Guide to CWI certification

D) Gas-liquid

E) None of the above

A

A) Solid

25
Q

The state of matter which exhibits the least amount of energy is:

A) Solid

B) Liquid

C) Gas

D) Gas-liquid

E) None of the above

A

A) Solid

26
Q

The stick power source can be:

A) DCEN

B) AC

C) DCEP

D) All of the above

E) A and C

A

D) All of the above

27
Q

The symbol below shows what type of joint configuration:

A) Square groove

B) Skewed groove

C) Sloped groove

D) Scarf

E) None of the above

A

D) Scarf

28
Q

The type of strength related to metals behavior when the load is applied in a cyclic manner is:

A) Torsional

B) Impact

C) Fatigue

D) Compressive

E) Tensile

A

C) Fatigue

29
Q

The type of weld having a generally triangular cros section and which is applied to either a T, corner, or lap joint is:

A) Slot weld

B) Fillet weld

C) Spot weld

D) Flange weld

E) Flare weld

A

B) Fillet weld

30
Q

The type of weld used to build up thinned surfaces, provide a layer of corrosion protection, or provide a layer of abrasion resistant material, is:

A) Slot weld

B) Flange weld

C) Surfacing weld

D) Edge weld

E) Flare weld

A

C) Surfacing weld

31
Q

The voltage value across the welding arc depends on:

A) Open-circuit current

B) Arc length

C) Circuit polarity

D) Polarity

A

B) Arc length

32
Q

This is not always an essential element od an FCAW system:

A) Constant voltage power suuply

B) Tubular electrode

C) Wire feeder

D) External shielding gas

E) Work lead

A

D) External shielding gas

33
Q

TLV means:

A) Total linear volume

B) Threshold limit value

C) Tack length value

D) Threshold limiting valve

E) None of the above

A

B) Threshold limit value

34
Q

Welding inspectors are exposed to which of the following safety hazards:

A) Radiation

B) Falling objects

C) Electrical shock

D) Eye hazards

E) All of the above

A

E) All of the above

35
Q

What gas can be used with OFC?

A) Methylacetylene-propadiene (MPS)

B) Propane

C) Acetylene

D) Methane (natural gas)

E) All of the above

A

E) All of the above

36
Q

What is the most important factor to avoid fumes during welding:

A) The type of base metal

B) The type of filler metal

C) The type of welding process

D) The position of the welders head

A

D) The position of the welders head

37
Q

What is the primary purpose of the inert gas used in GTAW welding process:

A) Cool the torch

B) Reduce electrode consumption

C) Eliminate arc blow

D) Shield the weld area from contamination

A

D) Shield the weld area from contamination

38
Q

What makes GTAW and PAW processes different from other arc welding processes:

A) Nonconsumable electrodes

B) Power supply

C) Shielding

D) All of the above

E) None of the above

A

A) Nonconsumable electrodes

39
Q

When operating gas cylinders, the primary valve should be opened:

A) All the way on the acetylene cylinder

B) One turn on an oxygen cylinder

C) One turn or less on an acetylene cylinder

D) All the way on an oxygen cylinder to backseat the valve

E) C and D

A

E) C and D

40
Q

When welding aluminum with GTAW process, what type of welding polarity is most commonly used?

A) DCEP

B) DCEN

C) AC

D) A and B

E) B and C

A

C) AC

41
Q

Which cannot be efficiently cut using OFC?

A) High-carbon steel

B) Low-carbon steel

C) Medium-carbon steel

D) Austenitic stainless steel

E) None of the above

A

D) Austenitic stainless steel

42
Q

Which of the following is an incorrect statement about SMAW electrode designated as E7024:

A) It is a low hydrogen type

B) The weld deposit has a minimum tensile strength of 70,000 psi

C) It is suitable for use in the flat and horizontal fillet positions

D) It is an electrode for welding carbon steel

E) None of the above

A

A) It is a low hydrogen type

43
Q

Which of the following is not considered a type of metal transfer:

A) Short circuiting

B) Spray

C) Globular

D) Droplet

E) Pulsed arc

A

D) Droplet

44
Q

Which of the following metal cutting operations can be achieved with oxygen cutting equipment:

A) Square cuts

B) Bevel cuts

C) Piercing holes

D) All of the above

A

D) All of the above

45
Q

Which of the following oxyacetaylene flames is recommended when gas welding mild steels:

A) Neutral or slightly carburizing

B) Carburizing

C) Slightly oxidizing

D) Oxidizing, two-to-one gas ratio

A

A) Neutral or slightly carburizing

46
Q

Which of the following tests can be used to judge the soundness of a weld?

A) Nick break

B) Side bend

C) Face bend

D) Fillet break

E) All of the above

A

E) All of the above

47
Q

Which of the symbols represents a plug weld not completely filled?

A) 5

B) 7

C) 9

D) 3

E) 1

A

D) 3

48
Q

Which of the symbols represents an intermittent fillet weld?

A) 6

B) 4

C) 5

D) 8

E) 1

A

C) 5

49
Q

Which property cannot be determined from a tensile test?

A) Percent reduction of area

B) Impact strength

C) Yield strength

D) Percent elongation

E) Ultimate tensile strength

A

B) Impact strength

50
Q

_______ joins attachments to some planar surfaces:

A) OAW

B) SW

C) GMAW

D) GTAW

E) SMAW

A

B) SW

CWI Prep (10 decks)

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