Deck 4: Shielded Metal Arc Welding of Plate

Question 1

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"

Answer 1

C

Question 2

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

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

Answer 2

D

Question 3

To prevent ____ use as little leading angle as possible.

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

Answer 3

D

Question 4

____ 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 5

Electrodes with ____ produce welds with the heaviest slag covering the molten weld pool and finished weld bead.

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

Question 6

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 7

Large diameter electrodes may overheat the metal if they are used with ____.

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

Question 8

____ 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 9

____ 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 10

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 11

____ 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 12

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 13

An arc will jump ____.

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

Question 14

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 15

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 16

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 17

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

Question 18

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

Question 19

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 20

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 21

Describe the proper body position for a welder.

Question 22

Building up a metal's surface is known as ____________________.

Question 23

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

Question 24

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 25

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.

Question 26

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

Question 27

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

Question 28

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 29

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 30

Describe how to determine if a weld is too hot.

Question 31

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

Question 32

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

Question 33

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 34

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

Question 35

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) 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 36

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 37

Overfilling a molten weld pool will result in drips of metal hanging from the weld like ____________________.

Question 38

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

Question 39

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

Question 40

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