Deck 4: Shielded Metal Arc Welding of Plate

Question 1

In the ____ pattern, the smallest quantity of metal is molten at one time as compared to other patterns.

A) circular
B) J
C) C
D) straight step

Answer 1

D

Question 2

An arc will jump ____.

A) to the weld pool
B) to the root gap
C) the closest metal conductor
D) the electrode

Answer 2

C

Question 3

If arc length is shortened, metal transferring across the gap may short out the electrode, causing it to ____.

A) produce excessive slag
B) stick to the plate
C) burn through the metal
D) produce excessive spatter

Answer 3

B

Question 4

Welding with the current set too high results in ____.

A) short arc length
B) little or no penetration
C) frequent shorting and sticking of the electrode
D) spatter

Question 5

If the current is set too high, the electrode covering is discolored more than ____ from the end of the electrode.

A) 1/16 in.to 1/8 in.
B) 1/8 in.to 1/4 in.
C) 1/4 in.to 1/2 in.
D) 1/2 in.to 3/4 in.

Question 6

To correct a(n) ____ problem, a welder can use a smaller electrode at a lower current setting.

A) overheating
B) spatter
C) penetration
D) slag buildup

Question 7

The straight step pattern can be used for ____.

A) fillet welds
B) deep groove welds
C) stringer beads
D) filling in the weld toe

Question 8

Some electrodes may not remove the deposits ahead of the molten weld pool, resulting in ____.

A) discontinuities within the weld
B) burnthrough
C) excessive spatter
D) electrode discoloration

Question 9

Students will find it easier to start with ____ joints.

A) tee
B) lap
C) outside corner
D) butt

Question 10

To prevent ____ use as little leading angle as possible.

A) spatter
B) burnthrough
C) poor penetration
D) cold lap and slag inclusions

Question 11

____ electrodes have a forceful arc with little slag left on the weld bead.

A) E6010 and E6011
B) E6012 and E6013
C) E7016 and E7018
D) E7019 and E7020

Question 12

The ____ pattern works well on flat lap joints, all vertical joints, and horizontal butt and lap welds.

A) circular
B) square
C) J
D) T

Question 13

A ____ electrode angle pushes the molten metal away from the leading edge of the molten weld pool toward the back where it solidifies.

A) leading
B) right
C) trailing
D) straight

Question 14

The ____ pattern can be used if there is a large gap to be filled when both pieces of metal are nearly the same size and thickness.

A) circular
B) square
C) J
D) T

Question 15

The ____ weave pattern is often used for flat position welds on butt, tee, and outside corner joints.

A) circular
B) square
C) J
D) T

Question 16

____ electrodes have a mineral-based flux with very heavy slag left on the weld bead.

A) E6010 and E6011
B) E6012 and E6013
C) E7016 and E7018
D) E7019 and E7020

Question 17

Large diameter electrodes may overheat the metal if ____.

A) they are used with thick or large pieces of metal
B) they are used with aluminum
C) they are used with thin or small pieces of metal
D) they are used with exotic alloys

Question 18

____ welds are more difficult to perform than most other welds.

A) Horizontal tee
B) Horizontal lap
C) Overhead
D) Horizontal butt

Question 19

The ____ is the distance the arc must jump from the end of the electrode to the plate or weld pool surface.

A) arc length
B) root gap
C) weave pattern
D) weld width

Question 20

The selection of the correct size of welding electrode is determined by ____.

A) the arc length
B) the weld pool size and penetration
C) the current amperage
D) the thickness and size of the metal

Question 21

A(n) ____________________ is a large piece of metal used to absorb excessive heat.

Question 22

​When should a welder change their body position?

A) ​Any time as long as you do not lose sight of the welding pool.
B) ​As the electrode gets too short to see the weld.
C) ​When they know their instructor is trying to see how they are welding.
D) ​Only during the time an electrode is being changed.

Question 23

A weld bead made at a(n) ____________________ amperage setting is wide and flat with deep penetration, produces excessive spatter, and is mostly hard.

Question 24

A straight weld bead on the surface of a plate with little or no side-to-side electrode movement is known as a(n) ____________________.

Question 25

Electrodes with ____ do not have heavy slags and are suitable for flat tee and lap joints.

A) cellulose-based fluxes
B) rutile-based fluxes
C) mineral-based fluxes
D) silicon-based fluxes

Question 26

____ are used to set the machine amperage and for buildup or surfacing applications.

A) Tack welds
B) Stringer beads
C) Fillet welds
D) Lap welds

Question 27

​Why is the travel and work angle important?

A) ​Because of the jetting force of the electrode end.
B) ​Because it affects the amount of spatter produced.
C) ​Because of the force on the welding electrode holder the welding cable has as you move along the weld.
D) ​They are not important and have little effect on how welds are made.

Question 28

​What may happen if too short of an arc length is used?

A) ​The spatter may increase as the weld increases in size.
B) ​The arc voltage will increase and the arc will become brighter.
C) ​The electrode may stick to the plate.
D) ​The amperage will increase and the weld fumes will increase.

Question 29

​What can a welder do to prevent possibly swaying while welding?

A) ​Keep both feet flat on the floor.
B) ​Try to make all of the welds in the flat position so it is easier to stand still.
C) ​They should lean against or hold onto a stable object.
D) ​Loop the welding lead over the welding table so it is not as likely to sway as you weld.

Question 30

The space between plates in a square butt joint is called the ____.

A) butt gap
B) weld gap
C) root gap
D) penetration

Question 31

​SMAW is a commonly used welding method because___________________

A) ​of its high temperature and concentrated heat.
B) ​it is the easiest process to learn and use.
C) ​it is clean and spatter free.
D) o​f its ability to make very long welds without having to stop.

Question 32

____ have rutile-based fluxes with a thick slag left on the weld bead.

A) E6010 and E6011
B) E6012 and E6013
C) E7016 and E7018
D) E7019 and E7020

Question 33

A(n) ____________________ joint is made by tack welding two flat pieces of plate together.

Question 34

​What two terms do welders often use interchangeably when speaking about welding current?

A) ​arc length and heat
B) ​AC and DC
C) ​heat and amperage
D) ​voltage and amperage

Question 35

Electrodes with ____ are easier to control and are used for flat stringer beads and butt joints.

A) cellulose-based fluxes
B) rutile-based fluxes
C) mineral-based fluxes
D) silicon-based fluxes

Question 36

A(n) ____________________ electrode angle pushes the molten metal and slag ahead of the weld.

Question 37

​Why is it important to make cuts in the clean metal between welds on practice plates?

A) ​To see how well the welds are.
B) ​For testing the welds.
C) ​To reuse the practice plates.
D) ​So the good welds can be shown to the instructor.

Question 38

​How can a consistent arc length be maintained?

A) ​By not having too high a welding current setting.
B) ​By using a lower welding amperage setting.
C) ​By using the correct size electrode for the metal being joined.
D) ​By constantly lowering the electrode.

Question 39

​What does the term work angle refer to?

A) ​The relationship of the angle of the plate and horizon, i.e.vertical, flat, or overhead.
B) ​The angle you are welding at and the direction you are welding.
C) ​The relationship between the electrode holder and the electrode.
D) ​The relationship between the center of the electrode and the surface of the work.

Question 40

​When the welding current is correct and the weld is not too hot or too cold, the ripples should be______.

A) ​rounded
B) ​pointed
C) ​teardrop shaped
D) ​high and narrow

Question 41

What is arc length? Describe the effect of arc length on the weld.

Question 42

Overfilling a molten weld pool will result in drips of metal called ____________________.

Question 43

Describe how to determine if a weld is too hot.

Question 44

Discuss the effects of setting the current too low or too high.

Question 45

A(n) ____________________ joint is made by placing plates at a 90 degree angle to each other, with the edges forming a V groove.

Question 46

Describe the proper body position for a welder.

Question 47

Describe the distribution of heat on both plates during a tee weld.

Question 48

A(n) ____________________ joint is made by tack welding one piece of metal on another piece of metal at a right angle.

Question 49

A(n) ____________________ joint is made by placing the edges of the plates together evenly, with no gap between the plates.

Question 50

A(n) ____________________ joint is made by overlapping the edges of two plates, and can be welded on one side or both sides with a fillet weld.