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WorksheetsFire Safety Quiz
Total questions: 88
Worksheet time: 44mins
Oil and grease fires, which are Class B fires, can be extinguished with a ______ extinguisher.
Soda acid
Dry chemical
Water
All of the above
Electrical fires, which are Class C fires, can be extinguished with a ______ extinguisher.
Soda acid
Water
Carbon dioxide (CO₂)
None of the above
If a fire cannot be quickly extinguished:
Evacuate the building immediately
Set-off the fire alarm
Both A and B
None of the above
Long hair is to be secured by ______ when operating machinery:
Hair net
Hat
Tying hair behind your head
All of the above
New or unfamiliar machines and tools should not be turned on or operated until:
You have watched another student operate it
Instruction sheets are thoroughly studied
Instructor gives instructions and approves your operation
None of the above
Which of the following should not be worn when operating machine shop machinery.
Shop apron
Gloves
Safety shoes
Long pants
Which of the following is safe to wear when operating machines in the shop:
Sandals
Short sleeve shirts
Tank tops
Watches, rings and bracelets
Neckties
In the event of an injury or accident, you should immediately report it to:
A fellow student
The tool crib attendant
The instructor
The Safety Council
Safety glasses are worn in the shop:
For grinding only
For heat treating only
At all times
When student feels it necessary
Playing around is allowed:
In center of shop floor
In classroom
On breaks
Never in the Machine Shop area
When two students are working at a machine, one student is responsible for:
Checking part dimensions
Operating switches and controls
Machine clean-up
Loading and unloading parts
Machinery and equipment can only be operated when:
Guards are in place
Floor is free of oil and grease
Instructor is present
All of the above
Oily rags and toxic materials are:
Placed in Specially designed metal containers
Discarded daily in outside trash bin
Place in open odor proof container
None of the above
When a machine is being cleaned, oiled, or minor adjustments are being made:
Turn on the motor
Turn off the motor
Run the spindle at low speed
Put the machine in reverse gear
If you leave the machine or stop using it, you should first:
Remove work piece
Turn-off the motor, "Spindle"
Reduce the spindle speed
Reverse the feed
It is dangerous for others to divert the machine operator's attention by:
Touching the person
Talking to the person
Making loud noises
It is dangerous for others to divert the machine operator's attention in any way.
Sharp pointed tools are carried:
In pocket with point down
In hand with point up
In pocket with point up
In hand with point down
To prevent possible serious cuts, complete which of the following, before and after machining a work piece:
Remove oil and grease
Check part thickness
Remove burrs and sharp edges
Machine the part square
Chisels having mushroomed heads must be:
Sharpened to a point
Annealed
Hardened
Reported to the Instructor
The main reason for wiping-up spills is:
Spills look bad
Prevent slips and falls
Avoid having maintenance clean up after class
None of the above
Machined chips and other sharp scrap material are not to be removed from machines or workpieces with:
Your fingers, or your hand
Pliers
A brush
A shop towel
To stop a rotating spindle on a machine set the switch to "OFF" and then:
Reverse the motor switch
Grab spindle with a rag
Grab spindle with your hand
Wait, and let the spindle stop by itself
When an unsafe condition is found or a person is not acting in a safe manner, you must:
Have someone correct condition
Report it to the Instructor immediately
Report it to the Safety Committee
Ignore it as the Instructor will find it
When turning-on the switch of a machine, you should:
Stand behind another person
Have Instructor start machine
Stand in front of the blade
Stand away from the moving parts, in a safe place
When changing, or adjusting tools, and removing workpieces from machines, you should:
Stop the spindle, as well as making sure all movement is stopped
Decrease spindle speed
Reverse the spindle direction
Both B and C
Defective machines and tools may be used:
Temporarily to finish a job
Only if defect is minor
Never
None of the Above
What should be done when a heavy object needs lifting?
Go on to another project
Try to lift it yourself
Ask for help
Raise the machine table
While machines are running, do not attempt to:
Measure workpiece
Clean the work-holding devices
Mount or remove workpiece
All of the above
Before breaking steel objects:
Clean free of chips
Wrap in rag
Ring test
All of the above
Compressed air is often used incorrectly, it can safely be used to:
Blow chips off machines
Blow dust off clothing
Run air driven equipment
None of the above
When running a machine keep ______ away from it:
Loose clothing
Your hands
Rags
All of the above
Stock can be bent in a vise with:
Soft hammer
Bending bar
Hand
Any type of hammer
Carry material that is six feet and longer in:
Vertical position
Horizontal position
Both vertical and horizontal position
Both A and B
Faulty equipment, or tooling should be:
Repaired by you, if you know how
Reported to the Instructor immediately
Repaired by any student who knows how
All the above
Hacksaw blades may break and cause injury if they are:
Twisted in operation
Loose when sawing
Given heavy pressure
All of the Above
Wrenches are turned by a:
Pushing action away from you
Pulling action towards you
Cranking action
Both A and B
To obtain better leverage on wrench handles you may:
Extend handle
Hit with hammer
Both A and B
Get a larger wrench
Handles on files are:
Required
Not required
Used only in special situations
Only available for some files
Screwdrivers and files are:
Strong and can be used as pry bars
Can be used as chisels
Should be used for the use they are designed for
None of the above
Wrenches can be used on moving machinery:
Anytime
When machinery is running slow
Never
Both A and B
The workpiece must be secured tightly while cutting with a hand hacksaw because:
Cut will not be straight
Blade might break
Blade will not cut
None of the above
Faces of hardened steel hammers can be struck together:
To remove mushrooming
To ensure head is not cracked
Never
For ring test
When turning on a power saw, you should:
Stand in front of blade
Have Instructor start machine
Stand to one side of blade
None of the above
A work piece can be properly secured for sawing with:
Vise
Push-stick
Hand
All of the above
The safest way to apply pressure to a part when sawing with a band saw is to use:
A hardened steel bar
A wood push-stick
The palms of your hands
Your fingers
The top guide on a band saw is set above the thickest part of the work piece.
¼-inch
½-inch
1-inch
2-inches
A _____ is used to hold round rods or bars when sawing them with a band saw.
To prevent a power hacksaw frame from breaking:
Use a lot of cutting fluid
Ensure work piece width is less than saw stroke
Set tension very tight
None of the above
Before starting to cut with a power saw:
Put guards in place
Secure stock firmly
Put on safety glasses
All of the above
Blade guides are used on a band saw to:
Prevent work piece from touching frame
Keep blade from moving irregularly
Keep blade from ejecting from machine if broken
Prevent cuts to hands
When grinding a work piece:
Keep all guards in place
Wear eye protection
Never wear gloves
All of the above
A gap between the pedestal grinding wheel and the tool rest must be no more than:
1-inch
1/8-inch
2-inches
1/32-inch
Spark guards are set ______ from the pedestal grinder wheel to protect the operator if the wheel shatters:
1-inch
1/32-inch
1/16-inch
2-inches
The side of a grinding wheel is used for:
Special types of grinding
Can be used only if grinding wheel is specially designed for it
Grinding as required
Grinding chisels
All work pieces should be ______ during grinding:
Rotated
Cooled
Checked for hardness
Measured
Before mounting a grinding wheel, ______ test the wheel to determine if any cracks are present.
Ping
Surface
Ring
Shatter
Running grinding wheels at RPMs higher than their rating is alright when:
A. Work piece is thick
B. Part needs to be ground quickly
C. Never
D. Work piece is made of very hard material
Tightening the mounting nut on the grinding wheel too tight can cause the wheel to:
A. Run untrue
B. Break
C. Heat and burn
D. Grind uneven
When using grinding fluid, it should be turned off:
A. After the grinding wheel has stopped
B. After the grinding has stopped
C. Before the grinding wheel has stopped
D. At the same time as the grinding wheel stops
Run grinding wheels at least ______ before starting to grind.
A. 5 minutes
B. 3 minutes
C. 2 minutes
D. 1 minute
Grinding wheels may be stopped with:
A. A wooden push stick
B. A stopper provided by manufacturer
C. Only by itself
D. None of the above
To prevent serious cuts, complete which of the following after drilling:
A. Remove oil and grease
B. Check part thickness
C. Remove burrs and sharp edges
D. Machine part square
The safest way to drill holes in thin sheet metal is to:
A. Clamp part in vise
B. Hold the part by hand
C. Hold the part with a rag
D. Set the part on a piece of wood and clamp both pieces to the table.
If the drill seizes or grabs the work piece:
Grab it with your hands
Let it continue drilling through work piece
Turn-off the drill press
None of the above
After mounting a cutting tool in the chuck, you must immediately:
Adjust spindle to a low RPM
Tell the Instructor
Remove the drill chuck key
Both A and B
When a drill starts to break through the bottom of a drilled hole:
Raise the table
Apply less feed pressure
Increase spindle speed
Apply more feed pressure
Remove chips from a drill press with:
Hand
Compressed air
Brush
Screwdriver
To prevent a drill from grabbing when breaking through a drilled hole in brass, bronzes or copper:
Increase the drill RPM
Increase the rake angle on the drill
Apply more drilling pressure
Use a drill with a zero degree rake angle
Long, stringy chips can be prevented in lathe operations when:
Chip breaker is on the toolbit
Depth of cut is decreased
Spindle speed is increased
Feed is reduced
The lathe spindle should be given one turn by hand before turning on the motor to ensure:
The spindle is not locked
The work piece clears the ways
The work piece clears the carriage
All of the above
Small diameter work pieces that extend a foot or more past the headstock spindle without being supported can:
Change tail-stock alignment
Loosen the lathe chuck jaws
Shift lathe into back gear
Bend outward
Chucks are not to be mounted to a threaded nose spindle of lathes when:
Spindle is in back gear
Chuck jaws are open
Spindle is running
Chuck is a 4-jaw chuck
When mounting to a lathe spindle nose, a heavy chuck should be supported by:
A tool board
Your hands
A tool-holder
A chuck cradle
Parting stock in the lathe is never done when the work piece is mounted:
In a collet chuck
Between centers
In a 4-jaw chuck
Both A and B
Large heavy work pieces should not be machined on a face plate or in a chuck when:
Spindle is turning at high speed
A high speed toolbit is used
Lathe is new
Feed is too slow
Painful hand and arm cuts can be prevented when making work piece adjustments on lathe by:
Moving the carriage away from the work piece
Removing toolbit
Turning-off Lathe
All of the above
When starting a lathe:
Start clutch rapidly
Start clutch slowly
First lock spindle
None of the above
When am I allowed in the Machine Shop without Safety Glasses?
NEVER
NEVER
NEVER
ALL OF THE ABOVE
When a milling machine cutter is rotating under power, which is an unsafe practice:
Reaching over the cutter
Removing chips from the work piece
Measuring the part
All of the above
When changing between the High and Low RPM gear ratio it is important to:
Turn off the spindle and wait for it to come to a complete stop
After the gear ratio is changed, and while the motor is OFF, turn the spindle by hand to make sure the gears are engaged properly
Remember that the motor direction will now be reversed when you turn the spindle on
All of the above
When changing the RPMs using the rotary dial handle, it is important to:
Only do this when the spindle is turning
Don’t turn the wheel to fast
Stop turning the rotary dial handle occasionally to allow the motor to catch up with the changes you have made
All of the above
When making measurements and changing tools, one should:
Stop the spindle
Decrease spindle speed
Set all dials to zero
Both B and C
Before starting a cut on a milling machine, the operator should secure:
All machine details
Work piece
Cutter
All of the above
Tool-head nuts are tightened before operating the milling machine to prevent:
Gears from grinding
Slippage of the cutter
Tool-head from tipping
All of the above
When handling milling cutters:
Hold with shop towel
Be careful as they are fragile
Hold by the shank only
None of the above
Set-ups on horizontal milling machines are to be checked before starting to mill to ensure:
Work piece is free of burrs
Work piece clears arbor and arbor support
Proper cutter is installed
Work piece is free of grease
Rapid traverse is only used when the cutter is more than ______ from the work piece.
1/4-inch
1/2-inch
2 inches
4 inches
When feeling excess vibration in a machine operation, stop the machine and:
Call the Instructor
Check set-up
Change cutter
Lubricate machine
