Page 1 of 67
Oregon Tattoo Test ALL QUESTIONS AND
VERIFIED SOLUTIONS LATEST UPDATE THIS
YEAR
QUESTION: What length of spring would run faster? - ANSWER-short spring with a high angle
QUESTION: What type of metal should the contact screw be made of to have the highest
conductivity? - ANSWER-brass
QUESTION: How does the armature bar hit the front coil core? - ANSWER-flat full contact
QUESTION: What do you want the frame on your tattoo machine to be? - ANSWER-non-
conductive
When the armature bar is flat on the front coil, what is the smallest gap above the rear coil? -
ANSWER-.010
QUESTION: What does a smaller gap above the rear coil cause? - ANSWER-More power
1
, Page 2 of 67
QUESTION: What should armature bars be made of? - ANSWER-plain steel
QUESTION: How does a machine run if too much of the coil core is showing? - ANSWER-hot
QUESTION: What type of edges should your contact screw have? - ANSWER-rounded and
smooth
QUESTION: Where on the front spring should the contact screw be hitting? - ANSWER-Front or
End of spring
QUESTION: What happens when your machine is conductive or electrified? - ANSWER-The
armature bar sticks to the coils causing the machine to stay in an "on" setting
QUESTION: What diameter should your binding post be? - ANSWER-5/16
QUESTION: What happens if you use a steel contact screw? - ANSWER-Can cause unwanted
spark
2
, Page 3 of 67
QUESTION: When setting up your machine, why would you "snug" down the eye of the needle
bar? - ANSWER-This helps to prevent weak and jumpy lines
QUESTION: Why is a one-piece contact screw the best choice? - ANSWER-Screws with things
added on top can add to the vibration
QUESTION: What are the two advantages to using a brass contact screw? - ANSWER-100%
conductive and keeps its shape longer than other choices
QUESTION: How much of the contact screw needs to be touching the front spring? - ANSWER-A
tiny contact area
QUESTION: Why should you use plain steel for a spring rather than a coated spring? - ANSWER-
The coating wears away quickly, which causes a bad connection
QUESTION: What kind of reaction can you expect from a machine with a very low spring angle?
- ANSWER-Spongy and weak
3
, Page 4 of 67
QUESTION: Which type of machine benefits the best from a shorter spring? - ANSWER-liner
QUESTION: Which spring is the most important for tuning the machine? - ANSWER-The rear
spring
QUESTION: A machine that is very hard hitting and fast running moves the needle in and out of
the skin so fast that ____________________________________? - ANSWER-It doesn't leave
enough pigment behind
QUESTION: What is the ideal width of the springs used on the machine? - ANSWER-The springs
should be just as wide as the part that they are attached to
QUESTION: What types of screws should you use to hold the coils to the frame? - ANSWER-
Always use a magnetic screw that sits flush to the frame
QUESTION: What is the function of the tube vise? - ANSWER-Firmly hold the tube in place and
properly align the tube while the machine is in use
4
Oregon Tattoo Test ALL QUESTIONS AND
VERIFIED SOLUTIONS LATEST UPDATE THIS
YEAR
QUESTION: What length of spring would run faster? - ANSWER-short spring with a high angle
QUESTION: What type of metal should the contact screw be made of to have the highest
conductivity? - ANSWER-brass
QUESTION: How does the armature bar hit the front coil core? - ANSWER-flat full contact
QUESTION: What do you want the frame on your tattoo machine to be? - ANSWER-non-
conductive
When the armature bar is flat on the front coil, what is the smallest gap above the rear coil? -
ANSWER-.010
QUESTION: What does a smaller gap above the rear coil cause? - ANSWER-More power
1
, Page 2 of 67
QUESTION: What should armature bars be made of? - ANSWER-plain steel
QUESTION: How does a machine run if too much of the coil core is showing? - ANSWER-hot
QUESTION: What type of edges should your contact screw have? - ANSWER-rounded and
smooth
QUESTION: Where on the front spring should the contact screw be hitting? - ANSWER-Front or
End of spring
QUESTION: What happens when your machine is conductive or electrified? - ANSWER-The
armature bar sticks to the coils causing the machine to stay in an "on" setting
QUESTION: What diameter should your binding post be? - ANSWER-5/16
QUESTION: What happens if you use a steel contact screw? - ANSWER-Can cause unwanted
spark
2
, Page 3 of 67
QUESTION: When setting up your machine, why would you "snug" down the eye of the needle
bar? - ANSWER-This helps to prevent weak and jumpy lines
QUESTION: Why is a one-piece contact screw the best choice? - ANSWER-Screws with things
added on top can add to the vibration
QUESTION: What are the two advantages to using a brass contact screw? - ANSWER-100%
conductive and keeps its shape longer than other choices
QUESTION: How much of the contact screw needs to be touching the front spring? - ANSWER-A
tiny contact area
QUESTION: Why should you use plain steel for a spring rather than a coated spring? - ANSWER-
The coating wears away quickly, which causes a bad connection
QUESTION: What kind of reaction can you expect from a machine with a very low spring angle?
- ANSWER-Spongy and weak
3
, Page 4 of 67
QUESTION: Which type of machine benefits the best from a shorter spring? - ANSWER-liner
QUESTION: Which spring is the most important for tuning the machine? - ANSWER-The rear
spring
QUESTION: A machine that is very hard hitting and fast running moves the needle in and out of
the skin so fast that ____________________________________? - ANSWER-It doesn't leave
enough pigment behind
QUESTION: What is the ideal width of the springs used on the machine? - ANSWER-The springs
should be just as wide as the part that they are attached to
QUESTION: What types of screws should you use to hold the coils to the frame? - ANSWER-
Always use a magnetic screw that sits flush to the frame
QUESTION: What is the function of the tube vise? - ANSWER-Firmly hold the tube in place and
properly align the tube while the machine is in use
4
