oregon tattoo license exam questions and answers 2024

can a mobile facility be in motion while performing services - never when the armature bar is flat on the front coil what is the smallest gap above the rear coil? - .10 what does a smaller gap above the rear coil cause? - more power what should armature bars be made of? - plain steel how does the machine run if too much of the coil core is showing? - hot what type of edges should your contact screw have? - rounded and smooth where in on the front spring should the contact screw be hitting? - front or end of spring what length of spring would run faster - short spring with a high angle what type of metal should the contact screw be made of to have the highest conductivity - brass how does the armature bar hit the front coil core - flat full contact what do you want the frame on your tattoo machine to be? - nonconductive what happens when your machine is conductive or electrified - it stays on with the armature bar sticking to the coils what diameter should your binding post be - 5/16ths what happens if u use a steel contact screw? - can cause sparks when setting up your machine why would you snug down the eye of the needle bar - prevent weak jumpy lines why is a one piece contact screw the best choice - adding things can cause vibration what are two advantages of a brass contact screw - 100% conductive and it keeps it shape for longer than other metals how much if the contact screw needs to be touching the front spring ? - tiny contact area why don't you use a coated spring - coating wears away and causes a bad connection what kind of reaction do you expect from a machine with a very low spring angle? - weak and spongey which type of machine benefits best from a shorter spring? - liner which spring is most important for tuning the machine - rear a machine is hard hitting and fast running moves the needle in and out of the skin so fast that - not enough pigment is left behind what is the ideal width of the springs used on the machine - springs should be equally as wide as what they are attached to what types of screws should you use to hold coils to the frame - a flush magnetic screw tube vise function is - to 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 - front to back and side to side what is the most important part of the tattoo machine - coils what is the coils purpose - to run consistently and not loose power what is a possible reason for the machine to not work at all - debris between contact screw and front spring what can cause coils to get stuck in the on position - cool wire, soldering lug, any electrical circuit touching frame what does your frame act as for the coil - ground what is the purpose of the binding posts - electrical contact from lugs to contact screw what is a safety feature of cartridge needles - when not installed the needles are not exposed preventing needlestick EPA - Environmental Protection Agency FDA - Food and Drug Administration high level disinfectant is - chemical agent registered with the epa that is tuberculocidal