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Worksheets12/21/2023 Welding safety review
Total questions: 124
Worksheet time: 1hrs 2mins
Gas Welding Goggles provide
Protection from flying particles vents to prevent fogging
Protect Face when grinding or pouring chemicals and must be worn with goggles or safety glasses
Protect against intense light, flying sparks, and molten metal
Protect against Harmful Infrared and Ultraviolet Rays
Plastic Face Shields provide.
Protection from flying particles vents to prevent fogging
Protect Face when grinding or pouring chemicals and must be worn with goggles or safety glasses
Protect against intense light, flying sparks, and molten metal
Protect against Harmful Infrared and Ultraviolet Rays
Arc Welding Helmet Provides
Protection from flying particles vents to prevent fogging
Protect Face when grinding or pouring chemicals and must be worn with goggles or safety glasses
Protect against intense light, flying sparks, and molten metal
Protect against Harmful Infrared and Ultraviolet Rays
Safety glasses are to be worn underneath which of the following protective devices
Arc Welding Helmet
Gas Welding Goggles
Plastic Face Shield
All options
None of the options
There should always be easy access, well-marked eyewash stations near places where chemicals are handled or eye hazards are present
true
false
welding helmet
oxy fuel helmet
face shield
face glove
The acetylene tank valve should be opened _________ turn for safety reasons.
3/4
1 1/4
1 1/2
2
Oxygen decreases the temperature of the acetylene flame.
True
False
Oxygen decreases the temperature of the acetylene flame.
True
False
A backfire is a short pop of the torch flame followed by extinguishing of the flame or continued burning of the gases.
True
False
The low pressure gauge-shows the pressure in the cylinder.
True
False
Regulators reduce the high storage cylinder pressure to a suitable working pressure.
True
False
A flint striker is an all-purpose tool designed to fit all fittings on an oxyacetylene rig.
True
False
When moving cylinders, be certain they are tied to the cart securely.
True
False
To light the oxyacetylene torch, it is okay to use a match.
True
False
What do we check before setting up the torch?
The regulators have pressure
the T screws are set
The Valves are only open 1 turn
The regulators are at 0
When adding oxygen to the flame, your goal is to get a
carburizing flame
neutral flame
oxidizing flame
Acetylene threads are?
Straight
Female
Reverse
Over sized
When opening the oxygen tank, how far to we open the valve?
All the way
Half way
One turn
Half a turn
When opening the acetylene tank how much do we open the valve?
All the way
Half way
One turn
Half a turn
An oxygen cylinder when filled at 70°F will contain a pressure of about 2,200-2,500 psi.
True
False
The maximum working pressure that acetylene gas can be used safely is ________ psi
5
10
15
30
The _______ ________ is used to increase or decrease the gas pressure delivered to the torch from the regulator.
idle screw
adjusting screw
cylinder screw
thumb screw
A __________ occurs when the flame goes out with a loud pop.
flashback
kickback
flameback
backfire
Number 91 is called _______________.
locking lever
mixing lever
preheat oxygen lever
cutting oxygen lever
Number 92 is called _____________.
oxygen tube
acetylene tube
mixing tube
support tube
Number 93 is called ____________.
preheat oxygen adjustment knob
acetylene adjustment knob
cutting oxygen knob
brass knob
When should eye protection be worn in the shop?
at all times when you are in the shop area
only when you are working
only when you are watching someone else work
only when you feel like it
Who is responsible for wearing safety glasses when in the shop?
everyone
students only
visitors only
instructors only
If injured (cut, burn, etc) no matter how small it must be reported at once to whom?
nurse
instructor
class
doctor
If you don't know how to do a certain job or use a piece of equipment who should you ask for directions and guidance?
instructor
shop foreman
other students
custodian
Safe shop practices protect who?
the instructor
the superintendent
himself/herself
himself/herself and others
When should dangerous situations in the shop be reported to the instructor?
when convenient
at once
at close of class
after school
Disturbing another student while he is working is:
helpful
poor manners
dangerous
a normal practice
What must be completed prior to operating any equipment in the shop?
successfully complete safety tests on it
demonstrate competency in its safe operation
obtain permission from the instructor
all of the above
Why should liquid spilled on the floor be wiped up immediately?
looks unsightly
will stain the floor
causes more work for the janitor
may cause someone to slip and injure himself
If you are not feeling well, are on medication that impairs your judgement, or are extremely tired you should:
not work in the shop, especially operating machines
keep working, its not acceptable excuse to be idle
keep working until an accident happens, then sit down
have your friend watch you
If you see a machine or piece of equipment is damaged and/or missing guards or safety devices, that you are about to use what should you do?
go ahead and use it
call maintenance
go ahead and use it and tell the instructor later
not use the machine or piece of equipment and report it to the instructor immediately
All floors and walkways should be kept free _?_ to prevent tripping hazards
instructors and students
metal, wood, materials, and tools
tools only
materials and instructors
Be sure your work is:
Not painted
Only metal
Securely fastened to a work bench or in a vise
None of these
When using a portable angle grinder you must wear:
A hat
Rubber gloves
Leggings
Eye protection
While using the portable angle grinder, be careful not to:
Catch the disk on the corner and cause the kick back
Hit the power cord with the disc
Throw sparks at people around you
All the above
Be sure that the sparks from the portable angle grinder are:
Aimed at no one
Aimed at the flammables
Aimed at your best friend
Aimed at the welding tanks
Before setting down the portable angle grinder:
Be sure the grinder has stopped completely
See what time it is
Lay it down regardless of speed
None of the above
What PPE should be worn when operating the portable disc grinder?
Safety glasses
Safety glasses and hearing protection
Safety glasses, hearing protection and gloves
Safety glasses, hearing protection, gloves and face shield.
When operating the portable disc grinder, the grinding disc should be positioned so the sparks and grit are thrown....
away from the operator
away from the operator and others in the work area
up to avoid hitting others.
The grinding disc should be replaced when worn to _______ of its original diameter.
1/4
1/2
3/4
Grinding with the portable disc grinder should not occur in an area which .....
has windows that face the classroom
has large stacks of metal nearby
has flammable materials or combustible gases
Hands and forearms should be protected by wearing _____ when using the portable disc grinder.
gloves
long sleeved shirt
long sleeved shirt and gloves
long sleeved leather gloves
Always use the guard when grinding or cutting
True
False
Make sure the wheel is touching the work before turning switch on.
True
False
Always check grinding and cutting wheels for damage before use.
True
False
The grinding wheel should have a higher RPM than the grinder motor
True
False
Always check that the grinding or cutting wheel is installed correctly.
True
False
Secure long hair, jewelry and ear buds before starting work.
True
False
When replacing grinding wheels, as long as the tool is off, the grinder can stay plugged in.
True
False
When using the portable disc grinder, always apply as much force as possible.
True
False
Locking nuts must suit the disc and be installed correctly.
True
False
After you turned off the grinder, slow the disc by applying pressure to the wheel.
True
False
The disc must be suitable for the job and material being worked on.
True
False
Before using the band saw the blade should be checked to make sure it is __________ and that it is the right type of blade for the work.
Clicking
Tracking
Running
Sharp
Check to be sure the blade is installed properly with the teeth pointing __________.
Up
Down
Left
Right
Get permission from the instructor before making any __________ or adjustments on the saw.
Changes
Cuts
Suggestions
Marks
The wheel guards must be __________ and locked before the saw is turned on.
Running
Open
Closed
Sharp
The blade guide should be adjusted so that it is about __________ above the material you are going to cut.
1/2 inch
1/4 inch
1 inch
3/4 inch
When you switch on the saw, make sure the blade is lined up and __________ properly
Clicking
Running
Tracking
Skipping
If the saw makes a __________ noise while it is running, turn it off immediately.
Clicking
Silent
Smooth
Beautiful
Never stand on the __________ side of the table, and don't let anyone else stand on that side while the saw is running.
Left
Right
Behind
Front
If the blade breaks, get out of the way __________.
Slowly
Immediately
Quietly
Shamefully
Never make adjustments on the saw while it is __________.
Running
Off
Cutting
Laughing
Wait for the saw to come up to __________ speed before you start the cut.
Full
Half
1/4
2/3
Feed the material smoothly and evenly through the cut. Don't __________ it.
force
rush
hit
touch
Do not __________ of a cut while the saw is running. Turn off the saw and wait for it to come to a complete stop.
back in
back out
in front
make out
A __________ blade should be used for cutting small circles or sharp curves. Relief cuts should be made first. (In Mr. J's class relief cuts will be done on the Scroll Saw)
wide
narrow
skinny
fat
Guide the material so your hands and fingers are __________ in the path of the cut. Keep them out of the line of the cut.
always
never
sometimes
maybe
Use a piece of __________ to remove scraps from around the blade
metal
wood
plastic
paper
The material must be held down firmly against the __________ while it is being cut.
table
finger
bench
floor
Plan the cut so you can keep your __________ all the way through the cut.
balance
feet
poise
ego
When you cut a large piece of material, ask someone to help __________ the stock while you guide it through the saw.
watch
support
applaud
move
Always turn the band saw off and wait for it to come to a complete stop before you __________ it.
wash
leave
break
move
Student should wear safety glasses at all times while learning in the lab.
True
False
When you are done using a piece of equipment let it lay where you were using it last, students in the next hour will be using the same tools next hour.
True
False
When cutting a piece of stock in a horizontal saw make sure that the saw blade does not drop on the workpiece
True
False
When cutting any stock at least two teeth of the blade should be touching the stock at any time.
True
False
Clean up your work area before you leave the shop for the day.
True
False
The machine should be set so that it shuts off when it is finished cutting.
True
False
Always push down on the saw while cutting, it will cut more efficiently this way.
True
False
Round stock cuts quicker when it spins in the bandsaw.
True
False
If the blade breaks while sawing just stand there and call for help from the teacher she/he will know what to do.
True
False
Cutting fluid should be used when cutting with a band saw.
True
False
If an cutting fluid spills on the floor leave it it will soak in.
True
False
Set the guides for the blades as close as possible to the stock to be cut this will keep the blade cutting straight.
True
False
Thin metal should be cut on edge it will cut fast with just one or two band saw teeth touching it.
True
False
Angle Iron should be cut with the point of the angle straight up.
True
False
The golden rule of thumb when using a band saw is to have two teeth touching the material being cut at all times.
True
False
Bandsaws are sized by the average size of the idler wheels.
True
False
Cutting fluid has five jobs; lubricant, cool, clean, collaborate, and cut.
True
False
When cutting using the band saw use, plenty of cutting fluid, it helps the cutting and keeps the blade sharper longer.
True
False
