What is the main responsibility of an inspector? correct answers Observe, assess, document,
report results
What would an inspector go to a pre job conference for? correct answers To clarify
Recertification correct answers Maintain for 4yrs
What are four things necessary for electrochemical corrosion to occur? correct answers Anode,
cathode, metallic pathway, electrolyte (ACME)
Electrochemical High potential correct answers More prone to corrosion=active metals
Electrochemical Low Potential correct answers Less prone to corrosion= noble metals
Galvanic series in seawater correct answers More likely to corrode Anode to catholic less likely
to corrode
What media is most recommended to blast aluminum? correct answers Garnet and aluminum
Oxide
Chalking of an epoxy topcoat correct answers Eventually coating will fail allowing corrosion of
substrate
Cathodic protection correct answers Protecting a metal from corrosion while submersed in water
Three primary ways coatings act to prevent corrosion on steel correct answers Barrier coatings
e.g. epoxy, Sacrificial primers e.g. in organic zinc flame spray also known as metal spray,
inhibitive primers e.g. TTp 645c alkyd primer oil base paint
Types of sacrificial coatings processes correct answers Galvanizing(zinc),
electroplating(zinc,cadmium), metal spray coatings(zinc,aluminum, flame spray, thermal spray,
wire spray
What surface preparation is used for sacrificial coatings? correct answers SP5
What do inhibitive coatings do to corrosion? correct answers Slow down corrosion
Cathodic protection methods correct answers Sacrificial anodes, impressed current Cathodic
protection(ICCP), dielectric shield, capastic shield
Inhibitive primers correct answers TTP-645C alkyd prime
What surface preparation is needed for ICCP or dielectric shield? correct answers SP5, WJ1