Chapter: Safety in the Welding Shop

Question 1

An organization that works to ensure the safety and health of consumers, workers, and the protection of the environment while strengthening the position of the US within the global economy.

Answer 1

American National Standards Institute (ANSI)

Question 2

unprotected eye exposure to a welding arc that can result in temporary or permanent eye damage

Answer 2

arc flash

Question 3

easily ignited materials such as wood, paper, rags, and flammable liquids

Answer 3

combustibles

Question 4

a person whose job is to carefully watch for fires in the area where welding or cutting is done to ensure the safety of workers and property

Answer 4

fire watch

Question 5

hazardous waste

Answer 5

any waste material that poses danger to the environment and to the public health

Question 6

any work that involves burning, welding, using fire- or spark-producing tools, or that produces a source of ignition

Answer 6

hot work

Question 7

a permit that must be obtained from the local fire department before welding or cutting can be done outside the shop

Answer 7

hot work permit

Question 8

the process of keeping floors, workbenches, and the entire welding shop clean and free of dirt, scrap metal, grease, oil and anything that is not essential to the job at hand

Answer 8

housekeeping

Question 9

a type of safety equipment worn on the face or over the head of a welder; used to remove harmful fumes and particles by drawing contaminated air through a filter or cartridge in the respirator

Answer 9

negative-pressure air-purifying respirator

Question 10

waste materials that can be disposed of through normal channels of collecting, transporting, and processing according to local, state, and federal regulations

Answer 10

non-hazardous waste

Question 11

a federal organization within the Department of Labor that sets and enforces workplace safety and training standards.

Answer 11

Occupational Safety and Health Administration (OSHA)

Question 12

the eye, ear, head, hand, arm, leg, foot, and general body protective equipment used by each individual on the job.

Answer 12

personal protective equipment

Question 13

a type of safety equipment that incorporates full-face headgear to deliver a constant flow of clean breathing air to the welder

Answer 13

positive-pressure respirator

Question 14

a federal law that provides regulations for the proper and legal storage, treatment, and disposal of solid, liquid, or gaseous hazardous waste.

Answer 14

Resource Conservation and Recovery Act (RCRA)

Question 15

a document that provides crucial information about chemicals in the work space. This information includes the names of substances and chemicals along with their known health effects, symptoms, first-aid treatment, and other details.

Answer 15

safety data sheet (SDS)

Question 16

Name seven hazards that are found in the welding shop.

Answer 16

Heat
Sparks 
Fumes
Thermal radiation
High voltage
Hot metal
Flammable material

Question 17

What is the name of the most complete safety document available for the field of welding?

Answer 17

ANSI Z49. 1 : Safety & Health : Standards : American Welding Society.

Question 18

What filter shade number should be used in the welding helmet when performing gas tungsten arc welding with an arc current less than 50 amps?

Answer 18

10 12 14

Question 19

Welding helmets protect the eyes and face from arc rays, weld sparks, and weld spatter that directly hit the helmet. What should be worn in addition to a welding helmet to protect against slag chips, grinding fragments, and other hazards, such as wire wheel bristles?

Answer 19

PPE: steel toed boots, welding jacket, welding gloves

Question 20

According to OSHA, _____ is any work that involves riveting, welding, flame cutting, or other fire- or spark-producing operation.

Answer 20

hot work

Question 21

Briefly distinguish among first-, second-, and third-degree burns.

Answer 21

first- on outer surface of skin
second- the surface is severely damaged with breaks and blisters
third-most serious burns, charred, third layer of skin is severely damaged

Question 22

What is the name of the potential hazard that results from looking at a welding arc without eye protection? What should be done if a welder experiences this hazard?

Answer 22

arc flash- cool damp cloth and sleep

Question 23

Name three precautions that can be taken to avoid an electric shock.

Answer 23

rubber or dry wood when in damp conditions
turn off when raining
installation by trained professionals
where dry free gloves
do not touch electrical, “hot” labeled, stuff

Question 24

Before operating any type of machinery, what training should an operator receive?

Question 25

Name at least three dangerous chemical elements that pose a respiratory health threat.

Answer 25

based metal coatings, galvanized pipes
manganese
chromium

Question 26

True or false? The negative-pressure air-purifying respirator delivers constant flow or clean breathing air to the welder through a house.

Answer 26

F postive-pressure

Question 27

Oxygen cylinders must be separated from fuel gas cylinders by a minimum distance of ___ or by a _____.

Answer 27

25 feet or fire resistant wall

Question 28

When compressed gas cylinders are in storage, what important safety feature must be securely in place on the top of the cylinder?

Answer 28

safety cap

Question 29

True or false? Individual shops set different limits on how much weight a worker may lift.

Answer 29

T

Question 30

When a welder is working with helium in a closed space and proper ventilation is not present, he or she must wear a(n)____.

Answer 30

Negative-pressure air-purifying respirator

Question 31

What is the purpose of the Resource Conservation and Recovery Act?

Answer 31

legal disposal of hazardous waste