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NACE CIP Level 1 Study Guide _ Latest Update ALL ARE CORRECT ANSWERS (each containing 180
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8/31/24, 1:51 PMNACE CIP Level 1 Study Guide
Jeremiah
Terms in this set (105)
Define Corrosion The deterioration of a substance, usually a metal from a reaction with its environment
What is passivation? A layer of oxides formed on the surface of a metal that provides corrosion protection.
What is an example of passivation? Stainless Steel
What are the elements of a corrosion cell? Anode, Cathode, Metallic Pathway, Electrolyte
Describe what happens at the anode. The metal dissolves into the electrolyte
What is the function of the electrolyte? Allows the passage of ions to connect the corrosion cell
What is the function of the metallic pathway? Allows the flow of electrons to connect the corrosion cell
What is the galvanic series? A listing of metals in order of reactivity (more or less noble) in seawater at 25 C
The less noble (or more reactive) metal when connected to a more noble (or less
The general rules of galvanic corrosion are:
reactive metal) will corrode preferentially
Name the five most important factors that Humidity, oxygen, chemical salts, pollutants, temperature
affect the rate of corrosion.
Results in a relatively uniform loss of material over the entire surface, Results in a
General corrosion is: general thinning of the affected surface, Relatively easy to inspect, Does not casue
catastrophic failures
Typically pitting and crevice corrosion. It is typically of the most concern as damage is
Localized corrosion is:
concentrated and loss of integrity or structural failure can result.
List some of the common tools/methods Design, Inhibitors, Material Selection, Cathodic Protection, Protective Coatings, Splash
used for corrosion control. Zone Systems, Alteration of the Environment
The inspector's role is that of a quality control technician responsible for observing and
How does NACE define the inspector's role?
reporting conformance or deviation from the project specification.
What is the inspector's responsibility when it Safety enforcement is not the responsibility of the inspector; however, it is his/her
comes to safety on the project? responsibility to report any issues that may affect the project.
Name some tests that may need to be Temperature, Relative Humidity, Dew Point, Anchor Profile, Surface Cleanliness
conducted during surface preparation and
coating operations.
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Name some of the documentation/reports Daily/weekly summary, material usage reports, manpower and equipment, non
that may be required to be maintained on a conformance, and conformance
coatings project.
What are the most important characteristics Objective, Accurate, and Detailed.
of a good report?
What is the inspector's primary responsibility The Inspector's primary responsibility as the inspector is to "enforce" specification. The
and what should the inspector not do as it inspector is NOT to make changes to the specification for any reason.
pertains to the specification.
Surface preparation and application information such as recommended level of surface
What type of information could you expect cleanliness, recommended application methods and equipment such as tip sizes. Also,
to find on a Product Data Sheet? environmental parameters for application such as max and min temperatures, curing
times, recoat windows.
What type of information could you expect Health, safety and environmental. The PPE required. Physical characteristics. Emergency
to find on a Safety Data Sheet? responder information.
Quality Assurance - Any systematic process of checking to see whether a product or
service being developed is meeting specs.
Explain the difference between Quality
Quality Control - A procedure or set of procedures intended to ensure that a
Assurance (QA) and Quality Control (QC).
manufactured product or performed service adheres to a defined set of quality criteria
or meets the requirements of the client or customer
Identify some of the defects that can be Failure to cure, too rapid solvent evaporation, poor film formation
caused by incorrect application
temperatures.
Describe relative humidity. The amount of moisture in the air compared to saturation level
What is the dew point temperature? The temperature at which moisture will begin to form on a steel surface.
Name some of the effects wind may have on blowing abrasives, causing excessive drift or overspray, accelerating solvent
a coatings project. evaporation, contributing to the formation of dry spray
What are some of the common errors when Failure to acclimate the instrument to the environment with adequate time.
using an electronic hygrometer?
Explain the process for use of the sling Make sure the wick is wet and clean, continue to "sling" until 3 consecutive readings are
psychrometer. achieved
Chemical Resistance, water resistance, ease of application, cohesive strength, impact
List three desirable properties of a coating?
resistance, dielectric strength
Two broad classifications of a coating are: Organic/Inorganic, Convertible/non-convertible, thermosetting/thermoplastic
What are the two primary components of a Pigment, Vehicle (Resin or Binder)
liquid applied coating?
What are the three methods by which a barrier, inhibitive, sacrificial
coating provides corrosion control?
What are the three different ways a coating Chemical, Mechanical, Polar, or combo of all three
can adhere to the surface?
The two broad classifications for curing Convertible and Non-Convertible
mechanisms are:
List two Non-convertible coating types: Chlorinated rubber, vinyl
List three convertible coating curing oxidation, co-reaction (polmerization), hydration, fusion
mechanisms
List two characteristics of oxidation cure Not suitable for immersion service, not suitable for use over alkaline substrates, limited
coatings dry film thickness per coat
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