Deck 2: Safety in Welding

Question 1

____ respirators are air-purifying respirators that use a blower to force the ambient air through air-purifying elements to the inlet covering.

A) Air-purifying
B) Atmosphere-supplying
C) Powered air-purifying
D) Supplied-air

Answer 1

C

Question 2

____ fire extinguishers are used for combustible metals such as zinc and magnesium.

A) Type A
B) Type B
C) Type C
D) Type D

Answer 2

D

Question 3

____ light is dangerous because the welder cannot feel the light while being exposed to it, and it may pass through clothing.

A) Ultraviolet
B) Infrared
C) Visible
D) Spectral

Answer 3

A

Question 4

____ is a gas that is produced by the ultraviolet radiation in the air in the vicinity of welding operations.

A) Argon
B) Phosgene
C) Ozone
D) Carbon dioxide

Question 5

____ light can cause temporary night blindness.

A) Ultraviolet
B) Infrared
C) Visible
D) Spectral

Question 6

Burns ____.

A) are caused by heat and not light
B) are among the least common injuries in a welding shop
C) are divided into four categories
D) have a high risk of infection because of the dead tissue

Question 7

A ____ is the symbol for a Type C fire extinguisher.

A) green triangle
B) red square
C) blue circle
D) yellow star

Question 8

____ is formed when ultraviolet radiation decomposes chlorinated hydrocarbon.

A) Argon
B) Phosgene
C) Ozone
D) Carbon dioxide

Question 9

Stored oxygen and fuel gas cylinders ____.

A) can be stored separately or together
B) must be separated by 20 feet
C) must be separated by a 20 ft.high wall
D) must be separated by 5 feet

Question 10

Any system of ventilation should draw the fumes or smoke away before it rises past the level of the welder's ____.

A) shin
B) hip
C) chest
D) face

Question 11

The symptoms of lead poisoning include ____.

A) influenza symptoms
B) lung irritation and kidney damage
C) abdominal cramps and lung irritation
D) metallic taste, loss of appetite, nausea, abdominal cramps, and insomnia

Question 12

The symptom of acute exposure to high concentrations of cadmium fumes is ____.

A) loss of appetite
B) lung irritation
C) abdominal cramps
D) insomnia

Question 13

To treat a third degree burn ____.

A) apply ointments or antiseptic spray
B) remove all clothing stuck to the burn
C) cover the burned area with thick, sterile, non-fluffy dressings
D) pour iced water on the burn

Question 14

____ fire extinguishers are used for electrical fires.

A) Type A
B) Type B
C) Type C
D) Type D

Question 15

Acetylene cylinders that have been lying on their sides must stand upright for at least ____ hours before they are used.

A) two
B) three
C) four
D) five

Question 16

The best material to use for special protective clothing is ____.

A) polyester
B) 100% cotton
C) 100% wool
D) leather

Question 17

General work clothing should ____.

A) be made of a synthetic fabric
B) be loosely woven, and a light color
C) be tightly woven and a dark color
D) have deep pockets

Question 18

The symptoms of exposure to zinc oxide fumes include ____.

A) influenza symptoms
B) lung irritation and kidney damage
C) abdominal cramps and lung irritation
D) metallic taste, loss of appetite, nausea, abdominal cramps, and insomnia

Question 19

____ light can cause burns, but a person will immediately feel this type of light.

A) Ultraviolet
B) Infrared
C) Visible
D) Spectral

Question 20

____ fire extinguishers are used for combustible solids.

A) Type A
B) Type B
C) Type C
D) Type D

Question 21

​General work clothing must stop ultraviolet light and should be made of ________.

A) ​100% nylon
B) ​100% cotton
C) ​Rayon cotton blend
D) ​Nylon rayon blend

Question 22

A(n) ____________________ will prevent an accidental separation of a tool cord from an extension cord during operation.

Question 23

Highly combustible materials should be ____________________ feet or more away from any welding.

Question 24

Amps is the abbreviation for amperes, which is a measure of electric ____________________.

Question 25

To test a grinding stone for cracks ____.

A) tap the stone in four places and listen for a ring
B) visually inspect the stone
C) shine a light under the stone
D) wet the stone and look for bubbles

Question 26

When a grinding stone wears down, keep the tool rest adjusted to within ____________________ of an inch.

Question 27

Electrical ____________________ is lowered in the presence of water or moisture, so welders must take special precautions when working under damp or wet conditions.

Question 28

If a nut or bolt is too tight to loosen with a wrench, ____.

A) use a cheater bar
B) use a longer wrench
C) use a smaller wrench
D) cut the nut or bolt off

Question 29

Welding cable must be spliced ____ the electrode holder.

A) within 10 feet of
B) more than 10 feet away from
C) within 20 feet of
D) more than 20 feet away from

Question 30

Green hoses are to be used only for ____________________.

Question 31

​What are the two most common areas of a welder's body that are burned by light?

A) ​Face
B) ​Hands and arms
C) ​Neck and wrist
D) ​Ears and head

Question 32

Most paints containing ____________________ have been removed from the market; however, some industries, such as marine or ship applications, still use them.

Question 33

Acetylene is absorbed in ____________________.

Question 34

____________________ is a metal used in large quantities in the manufacture of brass and is found in brazing rods.

Question 35

Which light cannot be seen?

A) ​Ultraviolet
B) ​Infrared
C) Visible
D) Spectral

Question 36

​What is the most severe degree of a burn?

A) ​1st degree
B) ​2nd degree
C) ​3rd degree
D) ​4th degree

Question 37

The base of a ladder should be set out a distance equal to ____ the height to the point of support.

A) one-fourth of
B) half of
C) one and a half times
D) twice

Question 38

_____________________ respirators are atmosphere-supplying respirators that admit breathing air to the facepiece only when a negative pressure is created inside the facepiece by inhalation.

Question 39

​Light that bounces off of a wall or ceiling is referred to as_________.

A) ​Refracted
B) ​Reflected
C) ​Radiated light
D) ​Full spectrum

Question 40

____ are usually either hydraulic or flywheel operated.

A) Cut-off machines
B) Shears
C) Power punches
D) Band saws

Question 41

What is the difference between a tool with external grounding and a double-insulated tool?

Question 42

​Auto darkening welding helmets can be a tremendous help for new welders since they let you see where your electrode is and darken for welding within _____________ of a second.

Question 43

How does a fire extinguisher work, and how should it be used?

Question 44

​List special protective clothing made of leather that can be worn by welders.

Question 45

​The abbreviation PPE stands for __________________________________.

Question 46

​Ventilated goggles that are vented adequately to prevent fogging and have lenses that meet ___________ standards can be worn in place of safety glasses.

Question 47

​It is not safe to carry _________________ or _____________ in any pocket while welding because they can catch fire or explode.

Question 48

What is an MSDS?

Question 49

Summarize the use of shears.

Question 50

Describe how to test a grinding stone for cracks.

Question 51

​Always follow the rules, and never engage in ____________ or play "____________" while at work