OHL LICENSING TEST WITH
CORRECT ANSWER VERIFIED
When the armature bar is flat on the front coil, what is the smallest gap above the rear coil?
- THE :>CORRECT ANSWER -.010
What does a smaller gap above the rear coil cause? - THE :>CORRECT ANSWER -More
power
What should armature bars be made of? - THE :>CORRECT ANSWER -plain steel
How does a machine run if too much of the coil core is showing? - THE :>CORRECT
ANSWER -hot
What type of edges should your contact screw have? - THE :>CORRECT ANSWER -rounded
and smooth
Where on the front spring should the contact screw be hitting? - THE :>CORRECT ANSWER
-front or end of spring
What length of spring would run faster? - THE :>CORRECT ANSWER -short spring with a
high angle
What type of metal should the contact screw be made of to have the highest conductivity? -
THE :>CORRECT ANSWER -brass
,How does the armature bar hit the front coil core? - THE :>CORRECT ANSWER -flat, full
contact
What do you want the frame on your tattoo machine to be? - THE :>CORRECT ANSWER -
non-conductive
What happens when your machine is conductive or electrified? - THE :>CORRECT
ANSWER -The armature bar sticks to the coils causing the machine to stay in an "on" setting
What diameter should your binding post be? - THE :>CORRECT ANSWER -5/16ths
What happens if you use a steel contact screw? - THE :>CORRECT ANSWER -Can cause
unwanted spark
When setting up your machine, why would you "snug" down the eye of the needle bar? -
THE :>CORRECT ANSWER -This helps to prevent weak and jumpy lines
Why is a one-piece contact screw the best choice? - THE :>CORRECT ANSWER -Screws
with things added on top can add to the vibration
What are the two advantages to using a brass contact screw? - THE :>CORRECT ANSWER -
100% conductive and keeps its shape longer than other choices
How much of the contact screw needs to be touching the front spring? - THE :>CORRECT
ANSWER -a tiny contact area
Why should you use plain steel for a spring rather than a coated spring? - THE :>CORRECT
ANSWER -The coating wears away quickly, which causes a bad connection
,What kind of reaction can you expect from a machine with a very low spring angle? - THE
:>CORRECT ANSWER -spongy and weak
Which type of machine benefits the best from a shorter spring? - THE :>CORRECT
ANSWER -liner
Which spring is the most important for tuning the machine? - THE :>CORRECT ANSWER -
rear spring
A machine that is very hard hitting and fast running moves the needle in and out of the skins
so fast that... - THE :>CORRECT ANSWER -It doesn't leave enough pigment behind
What is the ideal width of the springs used on the machine? - THE :>CORRECT ANSWER -
The springs should be just as wide as the part that they are attached to
What types of screws should you use to hold the coils to the frame? - THE :>CORRECT
ANSWER -Always use a magnetic screw that sits flush to the frame
What is the function of the tube vise? - THE :>CORRECT ANSWER -Firmly hold the tube in
place and properly align the tube while the machine is in use
How should a tube vise hold a tube in comparison to the machine? - THE :>CORRECT
ANSWER -Squarely front to back and side to side
What is the most important part of a tattoo machine? - THE :>CORRECT ANSWER -coils
, What is the purpose of the coils of a tattoo machine? - THE :>CORRECT ANSWER -To run
consistently and not lose power
What is a possible reason for the machine to not work at all? - THE :>CORRECT ANSWER -
There is debris between the contact screw and the front spring
What can cause the coils to be in a constant "on" position? - THE :>CORRECT ANSWER -A
coil wire, soldering lug, or any of the electrical circuit is touching the frame
What does your frame act as for the coil circuit? - THE :>CORRECT ANSWER -The ground
What is not a purpose of the binding posts? - THE :>CORRECT ANSWER -Electrical contact
from the soldering lugs to the contact screw
What is a safety feature of the cartridge needles? - THE :>CORRECT ANSWER -If the
cartridge is not installed in the machine or tube, then the needles are not exposed; this
limits the possibility of a needlestick
What does EPA stand for? - THE :>CORRECT ANSWER -Environmental Protection Agency
What does FDA stand for? - THE :>CORRECT ANSWER -Food and Drug Administration
What does "high level disinfectant" mean? - THE :>CORRECT ANSWER -A chemical agent,
registered with the EPA, which has demonstrated tuberculocidal activity
"Office" in the tattoo laws refers to what? - THE :>CORRECT ANSWER -Health licensing
Office
CORRECT ANSWER VERIFIED
When the armature bar is flat on the front coil, what is the smallest gap above the rear coil?
- THE :>CORRECT ANSWER -.010
What does a smaller gap above the rear coil cause? - THE :>CORRECT ANSWER -More
power
What should armature bars be made of? - THE :>CORRECT ANSWER -plain steel
How does a machine run if too much of the coil core is showing? - THE :>CORRECT
ANSWER -hot
What type of edges should your contact screw have? - THE :>CORRECT ANSWER -rounded
and smooth
Where on the front spring should the contact screw be hitting? - THE :>CORRECT ANSWER
-front or end of spring
What length of spring would run faster? - THE :>CORRECT ANSWER -short spring with a
high angle
What type of metal should the contact screw be made of to have the highest conductivity? -
THE :>CORRECT ANSWER -brass
,How does the armature bar hit the front coil core? - THE :>CORRECT ANSWER -flat, full
contact
What do you want the frame on your tattoo machine to be? - THE :>CORRECT ANSWER -
non-conductive
What happens when your machine is conductive or electrified? - THE :>CORRECT
ANSWER -The armature bar sticks to the coils causing the machine to stay in an "on" setting
What diameter should your binding post be? - THE :>CORRECT ANSWER -5/16ths
What happens if you use a steel contact screw? - THE :>CORRECT ANSWER -Can cause
unwanted spark
When setting up your machine, why would you "snug" down the eye of the needle bar? -
THE :>CORRECT ANSWER -This helps to prevent weak and jumpy lines
Why is a one-piece contact screw the best choice? - THE :>CORRECT ANSWER -Screws
with things added on top can add to the vibration
What are the two advantages to using a brass contact screw? - THE :>CORRECT ANSWER -
100% conductive and keeps its shape longer than other choices
How much of the contact screw needs to be touching the front spring? - THE :>CORRECT
ANSWER -a tiny contact area
Why should you use plain steel for a spring rather than a coated spring? - THE :>CORRECT
ANSWER -The coating wears away quickly, which causes a bad connection
,What kind of reaction can you expect from a machine with a very low spring angle? - THE
:>CORRECT ANSWER -spongy and weak
Which type of machine benefits the best from a shorter spring? - THE :>CORRECT
ANSWER -liner
Which spring is the most important for tuning the machine? - THE :>CORRECT ANSWER -
rear spring
A machine that is very hard hitting and fast running moves the needle in and out of the skins
so fast that... - THE :>CORRECT ANSWER -It doesn't leave enough pigment behind
What is the ideal width of the springs used on the machine? - THE :>CORRECT ANSWER -
The springs should be just as wide as the part that they are attached to
What types of screws should you use to hold the coils to the frame? - THE :>CORRECT
ANSWER -Always use a magnetic screw that sits flush to the frame
What is the function of the tube vise? - THE :>CORRECT ANSWER -Firmly hold the tube in
place and properly align the tube while the machine is in use
How should a tube vise hold a tube in comparison to the machine? - THE :>CORRECT
ANSWER -Squarely front to back and side to side
What is the most important part of a tattoo machine? - THE :>CORRECT ANSWER -coils
, What is the purpose of the coils of a tattoo machine? - THE :>CORRECT ANSWER -To run
consistently and not lose power
What is a possible reason for the machine to not work at all? - THE :>CORRECT ANSWER -
There is debris between the contact screw and the front spring
What can cause the coils to be in a constant "on" position? - THE :>CORRECT ANSWER -A
coil wire, soldering lug, or any of the electrical circuit is touching the frame
What does your frame act as for the coil circuit? - THE :>CORRECT ANSWER -The ground
What is not a purpose of the binding posts? - THE :>CORRECT ANSWER -Electrical contact
from the soldering lugs to the contact screw
What is a safety feature of the cartridge needles? - THE :>CORRECT ANSWER -If the
cartridge is not installed in the machine or tube, then the needles are not exposed; this
limits the possibility of a needlestick
What does EPA stand for? - THE :>CORRECT ANSWER -Environmental Protection Agency
What does FDA stand for? - THE :>CORRECT ANSWER -Food and Drug Administration
What does "high level disinfectant" mean? - THE :>CORRECT ANSWER -A chemical agent,
registered with the EPA, which has demonstrated tuberculocidal activity
"Office" in the tattoo laws refers to what? - THE :>CORRECT ANSWER -Health licensing
Office
