Safety Flashcards

Study the hazards of welding and how to minimize your risk on the job.

1
Q

Are inspectors exposed to the same hazards as welders?

A

Yes

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2
Q

The acronym OSHA stands for:

A

Occupational Safety and Health Administration

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3
Q

What document covers safety in welding and cutting?

A

ANSI Z49.1

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4
Q

Safety training is required by what organization?

A

OSHA

occupational safety and health administration

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5
Q

The acronym PPE stands for what?

A

Personal protective equipment

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6
Q

What type of clothing is suitable for the welding environment?

A

Wool, cotton, denim, fire retardant material

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7
Q

In general, what should welding gloves be made of?

A

Leather

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8
Q

The valves of compressed gas cylinders are made of what?

A

Brass

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9
Q

The notches on this fitting signify what?

A

Left-hand threads

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10
Q

What type of gas is stored in tanks filled with a porous mass and dissolved acetone?

A

Acetylene

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11
Q

Acetylene must never be used above ____ psi.

A

15 psi

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12
Q

On a cutting torch, these devices prevent fuel gas from traveling into the oxygen line and causing what?

A

Flashback

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13
Q

The fuse plugs in the top and bottom of acetylene cylinders that melt at 212 F to prevent explosion in case of a fire are called:

A

Rupture discs

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14
Q

Do fuel gas hoses have regular threads?

A

No

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15
Q

If an acetylene cylinder has been laying down, it must stand upright for at least ____ minutes before being used.

A

15 minutes

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16
Q

Fuel gas cylinders should never be opened more than how many turns?

A

Two turns

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17
Q

Is oxygen a flammable gas?

A

No - it is an oxidizer

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18
Q

What safety feature are the red and black buttons on this electrical outlet?

A

GFCI

ground fault circuit interrupter

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19
Q

If the insulation on an electrical cable is nicked, is it acceptable to wrap it with tape and continue work?

A

No

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20
Q

Above how many milliamps are electrical currents considered harmful?

A

6 milliamps

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21
Q

What is the third prong on an electrical cord?

A

Ground

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22
Q

The safety practice that blocks potential energy going to machinery while it is being worked on is:

A

Lock out, tag out

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23
Q

Ensuring the floor is dry, using wooden platforms or rubber mats are all ways of mitigating:

A

Electrocution

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24
Q

Do employers have to make SDS’s (safety data sheets) available to employees?

A

Yes

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25
A person other than the welder who scans the area for fires is called what?
Fire watch
26
When entering a confined space, is an attendant required?
Yes
27
A space that has limited means of entry or exit and is not designed for continuous occupancy is called what?
Confined space
28
What does CPR stand for?
Cardio-pulmonary resusitation
29
What does SDS stands for?
Safety data sheet
30
What does LEL stand for?
Lower explosive limit
31
What does TLV stand for?
Threshhold limit value
32
What does GFCI stand for?
Ground fault circuit interrupter
33
What is the metal found in galvanizing that causes metal fume fever?
Zinc
34
What activities are considered 'Hot Work?'
Anything that creates a flame or spark
35
What is the maximum exposure limit of radiation?
2 millirems per hour
36
The device used to monitor radiation exposure is called a:
Dosimeter
37
When UV (ultraviolet) light burns the skin it is called arc burn. When UV light burns the retina it is called:
Flash burn
38
Can safety glasses help block UV (ultraviolet) light?
Yes
39
What gas is produced by UV (ultraviolet) radiation and can lead to pulmonary edema, headache, chest pain, and shortness of breath?
Ozone
40
What is the approximate temperature of a welding arc?
11,000 F
41
The most common welding accident is:
Burns
42
When a burn is severe enough to create blisters, which type of burn is it classified as?
Second degree
43
What classification of burn results in skin turning white?
Third degree
44
Natural, mechanical, and extraction are all types of what?
Ventilation
45
Is ventilation an important safety consideration in the welding environment?
Yes
46
Are Argon and CO2 heavier than air?
Yes
47
What is the lower acceptable limit of oxygen in the atmosphere?
19.50%
48
What are the three types of light?
Ultraviolet, infrared, and visible
49
What is the upper limit of oxygen in the atmosphere?
21.50%
50
Our normal air contains _____ % oxygen.
20.50%
51
Argon and helium are inert gases. Oxygen and carbon dioxide are ______ gases.
Reactive
52
Shielding gases that do not combine with any other material and, therefore, do not affect the weld pool in any way are called:
Inert gases
53
The recession of the flame through the torch and into the hose, regulator and/or cylinder, potentially causing an explosion is called:
Flashback
54
Above ______ dB (decibels) can cause hearing damage.
85 dB
55
The most common type of fire extinguisher is type:
ABC
56
Is it acceptable to stand on the top step of a ladder?
No
57
Oxygen and fuel gas cylinders must be stored at least ______ feet apart.
20 ft
58
What type of fire extinguisher will put out a magnesium fire?
D
59
What type of fire extinguisher will put out a paper fire?
A
60
What type of extinguisher will put out a kitchen fire?
K
61
What type of extinguisher will put out a gasoline fire?
B
62
What can happen if a grinding disc is used above its rated RPM (revolutions per minute)?
It can explode
63
Tapping a grinding disc in several places and listening for a sharp ring is a way of checking for:
Cracks
64
How often should welding leads and electrical cords be inspected?
Every day before use
65
What does JSA stand for?
Job safety analysis
66
Does the CWI need to be involved in completing the JSA (job safety analysis)?
Yes
67
For every 4 feet up a structure a ladder leans, the base should be moved away from the structure _____ feet.
1 foot
68
Safety glasses, face shields and goggles are all types of \_\_\_\_\_\_\_\_.
Eye protection
69
What eye protection should be used when performing SAW (submerged arc welding)?
Tinted safety glasses
70
When is it acceptable to use teflon tape on the regulator of a compressed gas cylinder?
Never
71
Primary shock currents are those above how many milliamperes?
6 milliamperes
72
Secondary shock currents have a range of how many milliamperes?
0.5 - 6 milliamperes
73
Grinding dust, sparks, spatter, fumes and radiation are all what type of hazard?
Eye hazards
74
How shall the welder protect others who may unkowingly come in contact with hot materials?
Post a notice
75
A fire watch shall be maintained for at least ____ minutes after competion of welding and cutting?
30 minutes
76
The acronym IDLH stands for what?
Immediately Dangerous to Life or Health
77
Use of shielding, distance from the source and exposure time can all limit what health concern?
Radiation exposure
78
Acetylene becomes unstable above what pressure?
15 psi