113 Final

Question 1

To blow molten metal away, the A-CAC process uses jets of

Accepted Answer

compressed air

Question 2

A primary purpose of the A-CAC process is to

Accepted Answer

gouge weld grooves and prepare cracks for welding

Question 3

If a groove only goes part of the way through the joint, welding in the groove results in what is called a

Accepted Answer

partial joint penetration (PJP) weld

Question 4

Which of the following is a correct statement regarding personal protective equipment?

Accepted Answer

earplugs are the most common form of hearing protection used in welding.

Question 5

In addition to protecting other workers from exposure to electric arcs, welding screens

Accepted Answer

prevent drafts from interfering with the stability of the arc

Question 6

Which of the following positions is done using a push angle instead of a drag angle?

Accepted Answer

3G

Question 7

I will do great on this exam!

Accepted Answer

Yes

Question 8

For an open-root V-groove weld, the thickness of the root reinforcement should be no more than

Accepted Answer

1/8" (3.2 mm)

Question 9

When using a weave bead on vertical V-groove welds

Accepted Answer

pause slightly at each toe to prevent undercut

Question 10

How close should a high vacuum/low volume exhaust inlet be located to the source of welding fumes?

Accepted Answer

2" to 4" (≈5 to 10 cm)

Question 11

To prevent undercut in a vertical open-root V-groove weld, the welder should

Accepted Answer

pause slightly at each weld toe

Question 12

Which of these metals has been linked to Parkinson's Disease?

Accepted Answer

Manganese

Question 13

For an open-root V-groove weld, the thickness of the root reinforcement should be no more than

Accepted Answer

1/8" (3.2 mm)

Question 14

In which of these processes is acetylene used?

Accepted Answer

Oxyfuel cutting

Question 15

To create a shallow gouge, the A-CAC operator should

Accepted Answer

advance the electrode rapidly

Question 16

Arc length is measured from

Accepted Answer

the end of the electrode core to the base metal

Question 17

When using a weave bead on vertical V-groove welds

Accepted Answer

pause slightly at each toe to prevent undercut

Question 18

The connecting cable of the A-CAC torch contains

Accepted Answer

both an electrical cable and a compressed air hose

Question 19

three types of A-CAC electrode types are copper-coated for direct current, copper-coated for alternating current, and

Accepted Answer

plain

Question 20

When using weave beads in flat open-root V-groove welds, use a

Accepted Answer

10- to 15-degree drag angle

Question 21

The recognized national standard in the United States for safety in welding is

Accepted Answer

ANSI Z49.1 Safety in Welding, Cutting, and Allied Processes

Question 22

The horizontal groove-welding position is also know as the

Accepted Answer

2G position

Question 23

For an open-root V-groove weld, the thickness of the root reinforcement should be no more than

Accepted Answer

1/8" (3.2 mm)

Question 24

To create a shallow gouge, the A-CAC operator should

Accepted Answer

advance the electrode rapidly

Question 25

To create a shallow gouge, the A-CAC operator should

Accepted Answer

advance the electrode rapidly

Question 26

Groove welds should be made with a gradual transition to the base metal at each

Accepted Answer

toe

Question 27

Groove welds should be made with a gradual transition to the base metal at each

Accepted Answer

toe

Question 28

three types of A-CAC electrode types are copper-coated for direct current, copper-coated for alternating current, and

Accepted Answer

plain

Question 29

Flat electrodes are sized by

Accepted Answer

the width of their widest side

Question 30

When preparing weld coupons for V-groove welds with backing, cut the metal backing strips so that they are at least

Accepted Answer

1" × 8" (25.4 mm × 203.2 mm)

Question 31

To conform with AWS limited-thickness test coupon requirements, weld coupons should be carbon steel that is

Accepted Answer

3/8" thick

Question 32

Compared to a full leather welding jacket, a welding cape is

Accepted Answer

cooler

Question 33

The connecting cable of the A-CAC torch contains

Accepted Answer

both an electrical cable and a compressed air hose

Question 34

Which of these is the correct statement regarding SDSs/MSDSs?

Accepted Answer

They must be available at the job site to workers.

Question 35

Apprenticeship programs in the United States must be registered with

Accepted Answer

the US Dept. of Labor

Question 36

To keep molten metal from splattering nearby equipment or personnel during A-CAC cutting activities, make sure that

Accepted Answer

flame-resistant shields or curtains are erected

Question 37

Single-groove welds with metal backing are used for

Accepted Answer

high-strength, high-quality welds

Question 38

In the oxyfuel cutting process, which of the following is used as a fuel gas?

Accepted Answer

Propane

Question 39

When preparing weld coupons for V-groove welds with backing, cut the metal backing strips so that they are at least

Accepted Answer

1" × 8" (25.4 mm × 203.2 mm)

Question 40

To keep molten metal from splattering nearby equipment or personnel during A-CAC cutting activities, make sure that

Accepted Answer

flame-resistant shields or curtains are erected

Question 41

Notches left in a base metal

Accepted Answer

have a tendency to trap slag during weldingWELDING

Question 42

Which of the following positions is done using a push angle instead of a drag angle?

Accepted Answer

3G

Question 43

To create a shallow gouge, the A-CAC operator should

Accepted Answer

advance the electrode rapidly

Question 44

For long-term cutting or welding of materials containing cadmium, wear

Accepted Answer

an approved full-face, supplied-air respirator

Question 45

Welding codes require that the crater made by a termination of the weld be filled to its full

Accepted Answer

cross section

Question 46

The currents used with A-CAC electrodes compared to shielded metal arc welding (SMAW) electrodes of the same size are

Accepted Answer

much higher

Question 47

Foot and vehicle traffic in the workplace is

Accepted Answer

more hazardous at starting and quitting times

Question 48

All of the following fabrics may be worn around sources of sparks or high heat except

Accepted Answer

polyester

Question 49

When using weave beads in flat open-root V-groove welds, use a

Accepted Answer

10- to 15-degree drag angle

Question 50

If a groove only goes part of the way through the joint, welding in the groove results in what is called a

Accepted Answer

partial joint penetration (PJP) weld

Question 51

To prevent undercut in a vertical open-root V-groove weld, the welder should

Accepted Answer

pause slightly at each weld toe

Question 52

The most common welding accident is

Accepted Answer

burns on the hands and arms

Question 53

When welding open-root V-groove welds in the horizontal position, do not

Accepted Answer

use weave beads

Question 54

When practicing welding, reuse weld coupons until

Accepted Answer

all surfaces have been welded on

Question 55

To prevent undercut in a vertical open-root V-groove weld, the welder should

Accepted Answer

pause slightly at each weld toe

Question 56

Overlapping stringer beads must be carefully cleaned to prevent

Accepted Answer

slag inclusions

Question 57

The portion of the edge of a part to be joined by a groove weld that has not been beveled or grooved is called the

Accepted Answer

root face

Question 58

Notches left in a base metal

Accepted Answer

have a tendency to trap slag during welding

Question 59

The risk of flash burn can be reduced by

Accepted Answer

wearing safety glasses and a hood with a properly tinted lens

Question 60

Which of these welding methods uses a flux-coated consumable welding rod?

Accepted Answer

SMAW

113 Final

Questions 60

113 Final

Questions 60