Arc Welding Safety
Introduction to Metals
To prepare for arc welding, check to see that the contacts are
a. Clean
b. Secure
c. Negative
d. positive
To prepare for arc welding, check to see that the contacts are
a. Clean
b. Secure
c. Negative
d. positive
Before the welder is turned on, it should be
a. Warmed up
b. Wiped off
c. Cleaned
d. Grounded
Before the welder is turned on, it should be
a. Warmed up
b. Wiped off
c. Cleaned
d. Grounded
Your instructor should be told if the arc welder gets
a. Hot
b. Quiet
c. Cold
d. Noisy
Your instructor should be told if the arc welder gets
a. Hot
b. Quiet
c. Cold
d. Noisy
A connected electrode should only come in contact with
a. The work table
b. Your gloved hands
c. The surface being welded
d. The arc welder
A connected electrode should only come in contact with
a. The work table
b. Your gloved hands
c. The surface being welded
d. The arc welder
Electrode stubs should be
a. Kept off the floor
b. Kicked under the machinery
c. Kept on the floor
d. Washed off
Electrode stubs should be
a. Kept off the floor
b. Kicked under the machinery
c. Kept on the floor
d. Washed off
You should wear your arc welding hood
a. When you weld
b. When you watch someone else weld
c. Both “a” and “b”
d. None of the above
You should wear your arc welding hood
a. When you weld
b. When you watch someone else weld
c. Both “a” and “b”
d. None of the above
Before you strike an arc
a. Tie your shoes
b. Wash your hands
c. Open up your booth
d. Warn everyone else
Before you strike an arc
a. Tie your shoes
b. Wash your hands
c. Open up your booth
d. Warn everyone else
If you need to adjust your face shield
a. Turn off the machine and set the stinger in its holder
• Call for help
• Do it with force
• Don’t do it at all
If you need to adjust your face shield
a. Turn off the machine and set the stinger in its holder
b. Call for help
c. Do it with force
d. Don’t do it at all
For heavy welding using large rods and high amperage, use
a. A lighter, #14 lens
b. A darker, #6 lens
c. A darker, #12 lens
d. A lighter, #8 lens
For heavy welding using large rods and high amperage, use
a. A lighter, #14 lens
b. A darker, #6 lens
c. A darker, #12 lens
d. A lighter, #8 lens
If you are using lower amperage and smaller diameter rods, use
a. A #6 or #7 shade lens
b. A #9 of #10 shade lens
c. A #12 or #13 shade lens
d. None of the above
If you are using lower amperage and smaller diameter rods, use
a. A #6 or #7 shade lens
b. A #9 of #10 shade lens
c. A #12 or #13 shade lens
d. None of the above
The best time to wear safety glasses in the shop is
a. At all times
b. In the morning
c. When you leave
d. When you are not welding
The best time to wear safety glasses in the shop is
a. At all times
b. In the morning
c. When you leave
d. When you are not welding
When the arc welder is not being used, it should be
a. Kept warm
b. Left on
c. Turned off
d. Put on a shelf
When the arc welder is not being used, it should be
a. Kept warm
b. Left on
c. Turned off
d. Put on a shelf
It is acceptable to weld without a helmet.
It is acceptable to weld without a helmet.
FALSE, you must always wear a helmet with a #10 or #12 shade lens
It is acceptable to weld while standing in water as long as the welder is grounded.
It is acceptable to weld while standing in water as long as the welder is grounded.
FALSE, never weld where you or the equipment could be exposed to water
It is not necessary to wear safety glasses if you are wearing a helmet.
It is not necessary to wear safety glasses if you are wearing a helmet.
FALSE, you must always wear safety glasses in the metals lab
Gloves should always be worn when welding.
Gloves should always be worn when welding.
TRUE
It is acceptable to start welding without warning others who are nearby.
It is acceptable to start welding without warning others who are nearby.
FALSE, you must always warn others by saying “welding” before striking an arc
It is acceptable to weld using a #10 lens in your helmet.
It is acceptable to weld using a #10 lens in your helmet.
TRUE
It is acceptable to weld in a t-shirt as long as you have on gauntlet gloves.
It is acceptable to weld in a t-shirt as long as you have on gauntlet gloves.
FALSE, you must wear either cotton or leather long sleeves
It is acceptable to weld in dirty or greasy clothes.
It is acceptable to weld in dirty or greasy clothes.
FALSE, clothes should be clean and free of frayed material
Safety glasses should be worn when chipping slag.
Safety glasses should be worn when chipping slag.
TRUE, safety glasses should be worn at all times
A ventilation fan should always be turned on when welding.
A ventilation fan should always be turned on when welding.
TRUE
How are flash burns caused and how can they be prevented?
How are flash burns caused and how can they be prevented?
They are caused when you look at the welding arc without a helmet
Wear a helmet with a #10 or #12 shade lens
What temperature is an arc?
What temperature is an arc?
10,000° F
The temperature of the SUN
What are two rules for welding around flammables?
What are two rules for welding around flammables?
1. Don’t unless absolutely necessary
2. Make sure they are shielded from sparks
Describe the type of clothing a person should wear when arc welding.
Describe the type of clothing a person should wear when arc welding.
• Long sleeves• Hard, smooth material• Leather shoes• Gauntlet gloves• No cuffs or jewelry• Helmet• cap / head band• Safety glasses
