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NACE CIP 1 ACTUAL Exam Questions and CORRECT Answers
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NACE CIP 1 ACTUAL Exam Questions and CORRECT Answers Anode - CORRECT ANSWER - the electrode at which oxidation occurs. electrons flow away from the the anode in the external circuit. corrosion usually occurs and metal ions enter the solution at the anode cathode - CORRECT ANSWER - the elect...

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  • 2 de febrero de 2025
  • 28
  • 2024/2025
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NACE CIP 1 ACTUAL Exam Questions and
CORRECT Answers
Anode - CORRECT ANSWER - the electrode at which oxidation occurs.
electrons flow away from the the anode in the external circuit.


corrosion usually occurs and metal ions enter the solution at the anode


cathode - CORRECT ANSWER - the electrode at which reduction occurs. electrons flow
towards the cathode in the external ciruit


cathodic protection - CORRECT ANSWER - A technique to reduce the corrosion of a
metal surface by making that surface the cathode of an electrochemical cell.


corrosion - CORRECT ANSWER - the deterioration of a material, usually a metal, that
results from a reaction with its environment.


corrosion inhibitor - CORRECT ANSWER - A chemical substance or combination of
substances that, when present in the environment, prevents or reduces corrosion.


crevice corrosion - CORRECT ANSWER - localized corrosion of a metal surface at, or
immediately adjacent to, an area that is shielded from the environment and full exposure due to
the close proximity of the metal to another surface


electrolyte - CORRECT ANSWER - A chemical substance that promotes conduction of an
electrical current


galvanic series - CORRECT ANSWER - List of metals and alloys arranged according to
their corrosion potentials in a given environment (in sea water at 25 celcius)

,generalized corrosion - CORRECT ANSWER - Corrosion that is distributed more or less
uniformly over the surface of a material


localized corrosion - CORRECT ANSWER - Occurs at discrete sites and often in areas
that are difficult to inspect


mill scale - CORRECT ANSWER - The oxide layer formed during hot fabrication or heat
treatment of metals.


Passivation - CORRECT ANSWER - a layer of oxides formed on the surface of a metal
that provides corrosion protection (ex stainless steel)


a reduction of the anodic reaction rate of an electrode involved in corrosion,


Pitting Corrosion - CORRECT ANSWER - Localized corrosion of a metal surface that is
confined to a small area and takes the form of cavities called pits.


Return Path (Metallic Pathway) - CORRECT ANSWER - Connects the anode and cathode,
allowing passage of electrons, generated at the anode, to the cathode


what are the elements of a corrosion cell - CORRECT ANSWER - 1. Anode 2. Cathode 3.
Metallic pathway 4. Electrolyte


what happens at anode - CORRECT ANSWER - oxidation. metal dissolves into electrolyte



what is the function of the electrolyte - CORRECT ANSWER - Allows the passage of ions
to connect the corrosion cell


what is the function of the metallic pathway - CORRECT ANSWER - Allows the flow of
electrons to connect the corrosion cell

, The general rules of galvanic corrosion are: - CORRECT ANSWER - The less noble (or
more reactive) metal when connected to a more noble (or less reactive metal) will corrode
preferentially


name at least 5 factors that affect the rate of corrosion - CORRECT ANSWER - temp,
humidity, chemical salts, oxygen, pollutants


General Corrosion - CORRECT ANSWER - Uniform loss of material over an entire
surface and general thinning of affected surface


corrosion that is distributed more or less uniformly


does not cause catastrophic failures


Localized Corrosion - CORRECT ANSWER - Occurs at discrete sites and often in areas
that are difficult to inspect.
concentrated and can cause catastrophic failures


what are some of the common tools/methods used for corrosion control - CORRECT
ANSWER - inhibitors, design, cathodic protection, protective coatings, splash zone
systems, altering the environment


Coatings Specification - CORRECT ANSWER - Formal, structured document containing
information on a project (scope, terms, schedule, inspection, etc.)


Instrument Calibration History Reports - CORRECT ANSWER - Reports that normally
contain information on how frequently each instrument is to be or has been calibrated.


Materials Inventory Reports - CORRECT ANSWER - Reports that contain information on
the inventory of jobsite materials, and are normally submitted periodically

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