Welding

Question 1

Order of welding fumes (largest-smallest)

Answer 1

Plasma
Stick
MIG
TIG
SAW

Question 2

Metal fume fever is caused by

Answer 2

Welding on galvanized metals

Question 3

Arc eye is caused by

Answer 3

acute exposures to UV-B radiation

Question 4

Exposure is dependent on:

Answer 4

current density and arc time

Question 5

Shielded metal arc welding is also known as

Answer 5

Stick welding

Question 6

In stick welding, if air enters the weld that is ___.

Answer 6

bad

Question 7

Stick welding has a ___ electrode, which is covered with a _____

Answer 7

consumable, flux material

Question 8

In stick welding, the electrode covering provides a _____ to prevent air from entering the weld

Answer 8

gas shield

Question 9

You don’t need gas cylinders with ____ welding

Answer 9

stick welding

Question 10

What is the point of the flux material when stick welding?

What do you have to do after the weld is cooled off?

Answer 10

To prevent air from entering the weld and ruining it.

You have to knock off the slag

Question 11

Stick welding youtube video

Answer 11

https://youtu.be/elmDvqdeMKI

Question 12

TIG welding is also known as:

Answer 12

Gas tungsten arc welding (GTAW) or heliarc

Question 13

TIG welding has a ____ electrode

Answer 13

non consumable tungsten electrode (it doesn’t melt and become part of the weld)

Question 14

In TIG welding ____ or ___ gas is fed around the electrode to provide a gas shield

Answer 14

argon or helium

Question 15

High energy TIG welding produces

Answer 15

up to 3 ppm of nitrous oxide

Question 16

TIG welding youtube video

Answer 16

https://www.youtube.com/watch?v=uO5pVLOAmD4

Question 17

In TIG welding you generally have a ____ rod

Answer 17

filler

Question 18

MIG welding is also known as

Answer 18

Gas metal arc welding (GMA)

Question 19

MIG welding has a ____ electrode

Answer 19

consumable

Question 20

For MIG welding, ____ gas is usually used for shielding

Answer 20

carbon dioxide

Question 21

MIG welding has a ____ which is considered the ____ metal

Answer 21

wire feed, filler

Question 22

____ and ____ welding use pressured cylinders

Answer 22

MIG and TIG

Question 23

Flux core arc welding is very similar to ___ Welding

Answer 23

MIG

Question 24

____ welding is even dirtier than plasma welding

Answer 24

Flux core arc welding

Question 25

Flux core welding has a _____ electrode

Answer 25

consumable

Question 26

Flux core welding is also known as

Answer 26

Dual core shielding welding

Question 27

What are the two types of flux core arc welding:

Answer 27

1. Self-shielded flux 2. Gas- shielded flux

Question 28

Submerged arc welding uses ___ to cover the weld

Answer 28

granular flux (kitty litter looking stuff)

Question 29

Submerged arc welding can expose the welder to ____

Answer 29

Hydrogen fluoride

Question 30

Submerged arc welding is considered a ___ electrode

Answer 30

Consumable

Question 31

Plasma welding is similar to ___ welding

Answer 31

TIG

Question 32

Plasma welding is very _____ and very _____

Answer 32

VERY HOT (60,000° F) LOUD

Question 33

Plasma arc welding creates ____ by _____ the gas stream

Answer 33

plasma, ionizing

Question 34

What welding is most tolerant of dirty or rusty metal?

Answer 34

Stick welding

Question 35

In gas welding, ____ and welding gas (____) combust to provide heat

Answer 35

Oxygen and acetylene