wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

GMAW

Total questions: 56

Worksheet time: 26mins

Name
Class
Date
1.
When GMAW welding one should wear
a)

wool clothing and cotton gloves

b)
synthetic shorts
c)
a heavy coat
d)
tinted glasses
2.
MIG welding produces harmful
a)
noise
b)
light rays
c)
heat
d)
gas
3.
When starting to MIG weld, the operator should
a)
Set the ground clamp and turn on the Gas to 20 psi
b)
Clean area of scraps and tools
c)

Shield others from arc rays

d)
All of these
4.
Welding cables should be protected from
a)

sparks and flames

b)
lying on the ground
c)
sharp metal objects
d)

all of these

5.
The amperage setting should be made while the welding machine is off, where do you find the setting at?
a)
ask Mr. Boeding 
b)
welding chart on the machine
c)
ask the next teacher
d)
ask no one, just start welding
6.
When finished welding, gas should be
a)
shut down completely
b)

shut down completely and drained

c)

left on

d)

left for the next student

7.
When cleanup is called, students need to
a)
Stop and return everything to their homes, and clean up the shop
b)

nothing

c)
leave everything
d)

goof around

8.
What happens if the shop is not cleaned up?
a)
nothing
b)
it is considered unsafe until things are cleaned up
9.
Students should always wear
a)
safety glasses, cover, pants, and shaded glasses in shop
b)
shorts
c)
sandals
d)
none of the above
10.
What should always be done at the end of class?
a)
wrap all cords and grounds over the machine or in the proper area.  Also drain and shut off gas.
b)

leave machine on and unattended

c)
nothing
d)

just start cleaning up

11.
What is the signal word for you to say before striking an arc?
a)
Cover!
b)
Watch out!
c)
Fire in the hole!
d)
Gotcha!
12.
What is the name of the weld used to weld a round hole cut in metal?
a)
Stringer bead
b)
Plug weld
c)
Seam weld
d)
Fillet weld
13.
It is important to match the voltage and wire speed to the metal ____________.
a)
width
b)
thickness
c)
ductility
d)
application
14.
The most common filler wire for the school lab is ...?
a)
.023"
b)
.030"
c)
.035"
d)
.045"
15.
The common cover gas for solid wire in GMAW is...?
a)
100% Argon
b)
75/25 Argon/CO2
c)
85/15 Argon/ CO2
d)
100% CO2
16.
The metal surfaces should have what preparation?
a)
Clean
b)
Buffed
c)
Painted
d)
Rusty
17.
What was the name of the tool used to make the hole in the 2" x 2" square tubing?
a)
Twist drill
b)
Hole saw
c)
Plasma torch
d)
Cutting torch
18.
What is the name given to the outside edge of a weld?
a)
Face
b)
Toe
c)
Root
d)
Base
19.
When the weld bead does not cover the weld area it is called?
a)
Lack of fusion
b)
Lack of penetration
c)
Porosity
d)
Lazy weld
20.
If the cover (shielding) gas is insufficient or not turned on while welding, this will result in what weld defect?
a)
Undercut
b)
Overfill
c)
Porosity
d)
Crater crack
21.

GMAW uses for shielding, gases that are?

a)

inert

b)

active

c)

exotic

d)

inert and active

22.

GMAW uses the following current?

a)

DCEP

b)

DCEN

c)

AC

d)

ACHF

23.

In GMAW current is determined by the?

a)

voltage

b)

shielding gas

c)

wire feed speed

d)

machine type

24.

What gas would you choose for spray transfer welding?

a)

75% Ar 25% CO2

b)

100% He

c)

98% CO2 2% Ar

d)

98%ar 2% CO2

25.

What type of transfer requires a special machine?

a)

pulsed

b)

spray

c)

globular

d)

short circuiting

26.

The welding current is transferred to the wire via the?

a)

conduit

b)

feed rolls

c)

contact tip

d)

liner

27.

What type of metal transfer would produce the least spatter?

a)

short ciruiting

b)

spray

c)

droplet

d)

globular

28.

Short circuiting transfer can be used in what position?

a)

vertical down and flat only

b)

flat and horizontal only

c)

all positions

d)

flat only

29.

The point where spray metal transfer begins is called the?

a)

short circuit point

b)

spray transfer point

c)

upslope point

d)

transition current

30.

Which is NOT a welding safety hazard?

a)

Possible shock

b)

Possible burn

c)

Possible weld

d)

Possible fume poisoning

31.

What is the recommended shade tint for most welding operations?

a)

shade 4

b)

shade 5

c)

shade 8

d)

shade 12

32.

GMAW can be done in three different ways EXCEPT:

a)

Semiautomatic Welding

b)

Machine Welding

c)

Automatic Welding

d)

Manual Welding

33.

All of the following are characteristics of CV and CC are used with the GMAW welder, EXCEPT:

a)

portable

b)

productive

c)

cleaner weld

d)

better quality weld

34.

All of the following are wire sizes for GMAW/MIG EXCEPT:

a)

.023"

b)

.030"

c)

.035"

d)

.085"

35.

What weld position is illustrated?

a)

1F and 1G

b)

2F and 2G

c)

2F

d)

3G and 3F

e)

4F and 4G

36.

Why is the MIG gun positioned this way?

a)

So the welder to see the weld.

b)

Better quality weld

c)

More desirable weld profile

d)

All of these.

37.

How do you achieve the correct wire stick out?

a)

Cut the wire before beginning

b)

Position the gun to make the correct weld

c)

Use a different shielding gas

d)

Move the work piece to a different side

38.

Normally, a single stringer bead is satisfactory for most __________ groove weld joints

a)

narrow

b)

wide

c)

flat

d)

vertical

39.

What is wrong with this weld?

a)

Travel too fast

b)

Excessive spatter

c)

Travel too slow

d)

A great weld, no problems

40.

What causes porosity in GMAW welds? (Name 2)

a)

Wrong shielding gas

b)

No shielding gas

c)

Dirty base metal

d)

Welding too fast

41.

What is the name of this weld defect?

a)

Undercut

b)

Porosity

c)

Overlap

d)

Excessive spatter

42.

When using a gas mixture of 75% Argon and 25% Carbon dioxide, the welding machine will work in all positions in the short circuiting.

a)

True

b)

False

43.

Short circuit transfer refers to the welding wire actually “short circuiting” (touching) the base metal between 90 - 200 times per second.

a)

True

b)

False

44.

Incomplete Fusion − failure of weld metal to fuse completely with base metal or a preceding weld bead.

a)

True

b)

False

45.

_____________− contraction of weld metal during welding that forces base metal to move.

a)

Distortion

b)

Burn through

c)

Lack of penetration

d)

Excessive penetration

46.

___________− weld metal melting completely through base metal resulting in holes where no metal remains.

a)

Burn-Through

b)

Excessive penetration

c)

Spatter

d)

Weldment

47.

_______________− failure of weld metal to fuse completely with base metal or a preceding weld bead.

a)

Undercut

b)

Incomplete Fusion

c)

Overlap

d)

Burn through

48.

This picture illustrates this weld defect.

a)

Undercut

b)

Lack of penetration

c)

Poor weld toe

d)

Overlap

49.

There are two ways to prevent weld distortion, tack welds and _______________.

a)

lower amperage

b)

increase welding speed

c)

clamp material

d)

better metal preparation

50.

Name this tool.

a)

Needle nose pliers

b)

Welpers

c)

Diagonal pliers

d)

Slip joint pliers

51.

Name this component.

a)

wire feed roller for steel

b)

wire feed roller for FCAW

c)

wire feed roller for aluminum

d)

machine spacer

52.

What are these components?

a)

Nozzle

b)

Feed roller

c)

Contact tip

d)

O ring

53.

Name the component.

a)

MIG gun

b)

Ground clamp

c)

Lead

d)

Work piece clamp

54.

What is the function of this device?

a)

Regulate the fuel

b)

Regulate the cover gas

c)

Regulate the oxygen

d)

Supply the proper mixture of gas

55.

What is the tensile strength of the example?

a)

701 ksi

b)

70 ksi

c)

7018 ksi

d)

none of these.

56.

What is the weld position of this electrode?

a)

All positions

b)

Flat only

c)

Flat and Horizontal

d)

Flat, horizontal and vertical

Similar Resources on Wayground

NJROTC Advancement Exam Study Guide, NS1

54 questions

NJROTC Advancement Exam Study Guide, NS1

quiz

Worksheet

•

9th - 12th Grade

TN Drivers Permit Knowledge Traffic Signs Portion

60 questions

TN Drivers Permit Knowledge Traffic Signs Portion

quiz

Worksheet

•

8th - 12th Grade

BSE UNIT8 Building Regulations Quiz

59 questions

BSE UNIT8 Building Regulations Quiz

quiz

Worksheet

•

12th Grade

online quiz

60 questions

online quiz

quiz

Worksheet

•

1st - 12th Grade

AIPT FY1819 (1)

60 questions

AIPT FY1819 (1)

quiz

Worksheet

•

9th Grade - Professio...

Ice Breaker Questions

55 questions

Ice Breaker Questions

quiz

Worksheet

•

KG - Professional Dev...

HTML And CSS

53 questions

HTML And CSS

quiz

Worksheet

•

4th Grade - Professio...

Reprographics, Meeting Review

51 questions

Reprographics, Meeting Review

quiz

Worksheet

•

10th Grade - University