Trade Terms

Question 1

An assembly of machines used together to do a particular job.

Answer 1

Apparatus

Question 2

The flow of electrical current through a gas such as air from one pole to another pole.

Answer 2

Arc

Question 3

The joining of metal parts by fusion, in which the necessary heat is produced by means of an electric arc.

Answer 3

Arc welding

Question 4

Capable of easily igniting and rapidly burning; used to describe a fuel with the flashpoint at or above 100°F

Answer 4

Combustible

Question 5

A person who is capable of identifying existing and predictable hazards in the surroundings or working conditions which are unsanitary, hazardous, or dangerous to employees, and who has all of her station to take prompt collective measures to illuminate them.

Answer 5

Competent person

Question 6

The electrical outlet that is placed inside the structural elements of the building, such as inside the walls. The face of the Receptacle is flush with the finished wall surface and covered with a plate.

Answer 6

Concealed receptacle

Question 7

A work area large enough for a person to work, but arranged in such a way that an employee must physically enter the space to perform the work. A confined space has limited or restricted means of entry and exit. It is not designed for continuous work. Thanks, vessels, silos, pets, volts, and hoppers are examples of confined spaces.

Answer 7

Confined space

Question 8

Braces, metal or wood, placed diagonally from the bottom of one rail to the top of another rail that and support to a structure.

Answer 8

Cross bracing

Question 9

Waste material resulting from cutting using a thermal process.

Answer 9

Dross

Question 10

Part of the electrical distribution system that brings electricity from the streets source, power poles and transformers, through the service lines to the electrical meter mounted on the outside of the building into the panel inside the building. The panel houses the circuits that distribute electricity throughout the structure.

Answer 10

Electrical distribution panel

Question 11

Any man-made cut, cavity, trench, or depression in earths surface, formed by removing earth. It can be made for anything from basements to highways.

Answer 11

Excavation

Question 12

A rate computation to determine surcharge or credit to Worker’s Compensation premium based on a company’s previous accident experience.

Answer 12

Experience modification right

Question 13

A ladder made of two straight ladders that are connected so that the overall length can be adjusted

Answer 13

Extension ladder

Question 14

Capable of easily igniting and rapidly burning; used to describe the fuel with the flash point below 100°F

Answer 14

Flammable

Question 15

A sudden bright light associated with starting up welding torch.

Answer 15

Flash

Question 16

A welding flame that flares up and charge the hose at or near the torch connection. It is caused by improperly mixed fuel.

Answer 16

Flashback

Question 17

The damage that can be done to our eyes after even brief exposure to ultraviolet light from the arc welding. A flashburn requires medical attention.

Answer 17

Flashburn

Question 18

Protective equipment worn during welding operations.

Answer 18

Flash goggles

Question 19

The temperature at which fuel gives off enough gases (vapors) to burn.

Answer 19

Flashpoint

Question 20

A unit of measurement of the intensity of light falling on a surface, equal to 1 lumen per square foot and originally defined with reference to a standardized candle burning at 1 foot from a given surface.

Answer 20

Foot candle

Question 21

The conducting connection between electrical equipment or an electrical circuit and the earth.

Answer 21

Ground

Question 22

A device that interrupts and de-energizes an electrical circuit to protect a person from electrocution.

Answer 22

Ground fault circuit interrupt (GFCI)

Question 23

Enclosed, fenced, covered, or otherwise protected by barriers, rails, covers, or platforms to prevent dangerous contact.

Answer 23

Guarded

Question 24

A line attached to a tool or object so worker can pull it up after climbing a ladder or scaffolding.

Answer 24

Hand line

Question 25

The occupational safety and health administration standard that requires contractors to educate employees about hazardous chemicals on the job site and how to work with them safely.

Answer 25

Hazard communication standard (HazCom)

Question 26

A short section of rope or strap, one end of which is attached to a worker’s safety harness and the other to a strong anchor point above the work area.

Answer 26

Lanyard

Question 27

A formal procedure for taking equipment out of service ensuring that it cannot be operated until a qualified person has removed the lock out or tag out device, such as a lock or warning tag.

Answer 27

Lock out/tag out

Question 28

The organization of a company’s management, including reporting procedures, supervisory responsibilities, and administration.

Answer 28

Management system

Question 29

A document that must accompany any hazardous substance. MSDS identifies the substance and gives the exposure limits, the physical and chemical characteristics, the kind of hazard it presents, precautions for safe handling and use, and specific control measures.

Answer 29

Material safety data sheet (MSDS)

Question 30

Steepest incline of an excavation face that is acceptable for the most favorable site conditions as protection against cave-ins, expressed as the ratio of horizontal distance to vertical rise.

Answer 30

Maximum allowable slope

Question 31

The total weight of all people, equipment, tools, materials, and loads that a ladder can hold at one time.

Answer 31

Maximum intended load

Question 32

Mid-level, horizontal board required on all open sides of scaffolding and platforms that are more than 14 inches from the face of the structure and more than 10 feet above the ground. It is placed halfway between the toeboard in the top rail.

Answer 32

Mid-rail

Question 33

An agency of the US Department of labor. Also refers to the occupational safety and health act of 1970, a law that applies to more than 111 Million workers and 7 million job sites in the country.

Answer 33

Occupational safety and health administration (OSHA)

Question 34

A confined space that it has been evaluated and found to have an actual or potential hazards, such as a toxic atmosphere or other serious safety or health hazard. Workers need written authorization to enter a permit required confined space.

Answer 34

Permit required confined space

Question 35

Equipment or clothing design to prevent or reduce injuries.

Answer 35

Personal protective equipment (PPE)

Question 36

Having pieces of material two or more inches thick and six or more inches wide used as flooring, decking or scaffolding.

Answer 36

Planked

Question 37

Work done near a hazard but not actually in contact with it.

Answer 37

Proximity work

Question 38

A person who, by possession of a recognize degree, Certificate, or professional standing, or by extensive knowledge, training, and experience, has demonstrated the ability to solve or prevent problems relating to a certain subject, work, or project.

Answer 38

Qualified person

Question 39

A device that fights clean, filtered air for breathing, no matter what is in the surrounding air.

Answer 39

Respirator

Question 40

The culture created when the whole company sees the value of a safe work environment.

Answer 40

Safety culture

Question 41

And elevated platform for workers and materials.

Answer 41

Scaffold

Question 42

Using pieces of timber, usually in a diagonal position, to hold a wall in place temporarily.

Answer 42

Shoring

Question 43

A person who is responsible for directing a vehicle when the drivers vision is blocked in anyway.

Answer 43

Signaler

Question 44

A rule stating the platforms or work surfaces with unprotected sides are edges that are 6 feet or higher than the ground floor level below it require for protection.

Answer 44

6 foot rule

Question 45

Waste material from welding operations.

Answer 45

Slag

Question 46

A chip or fragment of rock or soil that has broken off from the main mass.

Answer 46

Spall

Question 47

A self supporting letter consisting of two elements hinged at the top.

Answer 47

Step ladder

Question 48

A non-adjustable ladder.

Answer 48

Straight ladder

Question 49

A box that houses electrical switches used to regulate and distribute electricity in the building.

Answer 49

Switch enclosure

Question 50

A vertical barrier at floor level attached along exposed edges of a platform, runway, or ramp to prevent materials and people from falling.

Answer 50

Toeboard

Question 51

Top level, horizontal board required on all open sides of scaffolding and platforms that are more than 14 inches from the face of the structure in more than 10 feet above the ground.

Answer 51

Top rail

Question 52

A narrow excavation made below the surface of the ground that is generally deeper than it is wide, with a maximum width of 15 feet.

Answer 52

Trench

Question 53

1) a protective screen set up around the world in operation design to safeguard workers not directly involved in that operation. 2) a shield that provides I and face protection for welders by either connecting to a helmet lake head gear or attaching directly to a hard hat; also called a welding helmet.

Answer 53

Welding shield

Question 54

A cloth cone open at both ends mounted in a high place to show which direction the wind is blowing.

Answer 54

Wind sock