arc welding safety introduction to metals. to prepare for arc welding, check to see that the...

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