AMPP CIP LEVEL 1 BASIC COATING INSPECTOR
THEORY EXAM 2024/25NEWEST ACTUAL
EXAM 500 QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT)
/ALREADY GRADED A+
What are Volatile Organic Compounds (VOCs)? ✔- Chemicals that easily
evaporate at room temperature.
What are solvents? ✔- Substances that dissolve other substances to form a
solution.
Why can solvents in coatings be harmful? ✔- Because they can release VOCs
into the air.
What are some examples of solvents used in coatings? ✔- Acetone, toluene,
xylene, and ethyl acetate.
What are three commonly used galvanic anodes for carbon steel? ✔- Zinc,
Aluminum, and Magnesium
What is the effect of temperature on corrosion rate? ✔- Decrease in
temperature decreases corrosion rate.
What is an electrolyte? ✔- A medium that carries ionic current.
What is sacrificial coating? ✔- A type of coating that becomes the anode of an
electrochemical cell.
,What is the role of binders in coating? ✔- Binders form a stable film that
retains its properties.
What is a barrier coating? ✔- A coating that interrupts the electrolyte of an
electrochemical cell.
What are two environments most susceptible to corrosion? ✔- Marine
Environment, Chemical with High Humidity Environment
What is the direction of electron flow in an oxidation reaction? ✔- From the
anode to the cathode through the metallic path.
What is the role of binders? ✔- Binders bonds pigments together and adhere
to surface.
What are solvents? ✔- Solvents are liquids that dissolve the solid resins.
What is the purpose of pigments? ✔- Pigments hide the substrates, provide
decorative color, and enhance desired properties.
What are additives? ✔- Additives are special purpose ingredients used to
enhance the performance.
What are vehicles? ✔- Vehicles are the liquid portions of the coating.
What is corrosion? ✔- Deterioration of metal or alloy due to electrochemical
reaction.
What is passivation? ✔- Layer of oxides on metal surface for corrosion
protection.
,Give an example of a metal that undergoes passivation. ✔- Stainless steel
What is an anode? ✔- The electrode where oxidation occurs.
What is a cathode? ✔- The electrode where reduction occurs.
What is a metallic pathway? ✔- The conductive path for electrons to flow.
What are electrolytes? ✔- Substances that conduct electricity when dissolved
in water.
What is the function of an electrolyte in corrosion? ✔- Allows passage of ions
in corrosion cell.
What is the function of a metallic pathway in corrosion? ✔- Allows flow of
electrons in corrosion cell.
What is the galvanic series? ✔- Listing of metals in order of reactivity.
What is the general rule of the galvanic series? ✔- Less noble metal
connected to a more noble metal will corrode preferentially.
What is localized corrosion? ✔- Corrosion that occurs in specific areas.
What are the types of localized corrosion? ✔- Pitting and crevice corrosion.
Why is localized corrosion concerning? ✔- Damage is concentrated and can
lead to structural failure.
, What is general corrosion? ✔- Uniform loss of material over entire surface.
How does general corrosion affect the surface? ✔- Results in general thinning
of affected surface.
Is general corrosion easy to inspect? ✔- Yes, it is relatively easy to inspect.
Does general corrosion cause catastrophic failure? ✔- No, it does not cause
catastrophic failure.
What is inorganic convertible thermosetting? ✔- Coating that undergoes
irreversible chemical changes upon curing.
What is inorganic non-convertible thermoplastic? ✔- Coating that softens
upon heating and hardens upon cooling.
What are the primary components of a liquid applied coating? ✔- Pigments
and Vehicle (Resin or Binder and Solvent)
What is a sacrificial coating system? ✔- A coating system where a more active
metal is applied over a less active metal to act as an anode and protect the
underlying metal.
Why is inorganic zinc commonly used as a sacrificial coating over mild steel?
✔- Zinc is more active than steel, so it becomes the anode and protects the steel
from corrosion.
What is the purpose of a barrier coating? ✔- To create a physical barrier
between the metal surface and the corrosive environment, preventing direct
contact and corrosion.
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